by Antoine Goutenoir / @Goutte
The human brain did not evolve to produce code.
def check_suite(a, b, c):
"""
Checks something about a, b, and c.
Returns a boolean.
"""
assert check_suite(1, 2, 3)
assert check_suite(17, 20, 23)
About 80% of people don't get this right.
(and I made it a bit harder, because you're scientists)
def check_suite(a, b, c):
"""
Checks whether `||a|| < ||b|| < ||c||`.
Supports complex numbers.
"""
return abs(a) < abs(b) and abs(b) < abs(c)
With that in mind...

Don't reinvent the wheel.
import unittest
class CheckSuiteTest(unitest.TestCase):
def test_check_suite():
self.assertTrue(check_suite(1, 2, 3))
self.assertTrue(check_suite(-1.5, -2, -7))
self.assertTrue(check_suite(0, 1j+1, 4j+4))
self.assertFalse(check_suite(0, 2, 1))
self.assertFalse(check_suite(-3, 0, 3))
# etc
if __name__ == '__main__':
unittest.main()
assertTrue
assertFalse
assertEqual
assertNotEqual
assertIn
assertNotIn
if __name__ == '__main__':
print "Running the test-suite for `check_suite()`..."
assert check_suite(1, 2, 3)
assert not check_suite(7, 7, 7)
# etc
print "Success!"
assert
everywhere !
Don't worry about performance, when needed
assertions can be skipped with the -O
option.
$ python -O mad_science.py
galpak
class MathUtilsTest(unittest.TestCase):
def test_safe_exp(self):
a = safe_exp(-1e100)
self.assertEquals(a, 0)
a = safe_exp(-3950.)
self.assertEquals(a, 0)
a = safe_exp(1e100)
self.assertEquals(a, float('inf'))
a = safe_exp(3950.)
self.assertEquals(a, float('inf'))
class MathUtilsTest(unittest.TestCase):
def test_safe_exp(self):
assertions = [
# (a, b) such as safe_exp(a) == b
(-1e100, 0),
( -3950, 0),
( 0, 1),
( 3950, float('inf')), # OverflowError with math.exp
( 1e100, float('inf')), # OverflowError with math.exp
# etc.
]
for (a, b) in assertions:
self.assertEquals(safe_exp(a), b,
"safe_exp(%s) should be equal to %s." % (a, b)
)
Tested code is easier to refactor hence easier to optimize.
Which brings us to the next part...
No, there's no magic solution.
Quickly benchmark bits of code against one another.
$ sudo pip install benchmark
Which one is best ?
a * a * a
a ** 3
numpy.power(a, 3)
import benchmark
import numpy as np
class BenchmarkPowerOfThree(benchmark.Benchmark):
each = 10000 # configure number of runs
def setUp(self):
# Can also specify tearDown, eachSetUp, and eachTearDown
self.a = np.random.rand(32, 32, 32)
def test_explicit_multiplication(self):
b = self.a * self.a * self.a
def test_double_asterisks(self):
b = self.a ** 3
def test_numpy_power(self):
b = np.power(self.a, 3)
if __name__ == '__main__':
benchmark.main(format="markdown", numberFormat="%.4g")
Explicit multiplication is almost 15 times faster !
name | rank | mean | sd | timesBaseline ------------------|------|-----------|-----------|-------------- multiplication | 1 | 0.0002208 | 4.511e-05 | 1.0 numpy power | 2 | 0.003243 | 0.0002166 | 14.6868697001 double asterisks | 3 | 0.003244 | 0.0002177 | 14.692235388
# Using numpy's utility
a = numpy.nan_to_num(a)
# Key mapping ourselves
a[numpy.isnan(a)] = 0
Setting NaN
s to zero is a very common task.
import numpy as np
import benchmark
class BenchmarkNumpyNanToNum(benchmark.Benchmark):
each = 10000 # number of runs
def eachSetUp(self): # on each, because a is mutated
self.a = np.random.rand(32, 32, 32) # make a random array
nans = np.random.rand(32, 32, 32)
self.a[nans > 0.618] = float('NaN') # put some NaNs
def test_nan_to_num(self):
self.a = np.nan_to_num(self.a)
def test_key_mapping(self):
self.a[np.isnan(self.a)] = 0
if __name__ == '__main__':
benchmark.main(format="markdown", numberFormat="%.4g")
The correct answer is :
don't guess...
Annnnnnd... key mapping is 2 times faster !
name | rank | mean | sd | timesBaseline ------------|------|-----------|-----------|-------------- key mapping | 1 | 0.0003145 | 5.102e-05 | 1.0 nan to num | 2 | 0.0006489 | 0.0003646 | 2.06350907177
It's about 5 times faster when there are very few NaN
s.
Don't guess.
BENCHMARK !
Helps you identify what needs to be optimized.
$ sudo pip install line_profiler
from astropy.coordinates import SkyCoord
from astropy.coordinates.builtin_frames.fk4 import FK4
from astropy.coordinates.builtin_frames.galactic import Galactic
def convert_coordinates(ras, decs):
lats = []
lngs = []
for ra, dec in zip(ras, decs):
s = SkyCoord(ra=ra, dec=dec, frame=FK4)
s = s.transform_to(Galactic)
lats.append(s.b)
lngs.append(s.l)
other_expensive_operation(lats, lngs)
return lats, lngs
Total time: 108.871 s Time Time% Line Contents ============================== def convert_coordinates(ras, decs): 1 0.0 lats = [] 1 0.0 lngs = [] 1499 0.0 for ra, dec in zip(ras, decs): 11614188 10.7 s = SkyCoord(ra=ra, dec=dec, frame=FK4) 79258112 72.8 s = s.transform_to(Galactic) 5015262 4.6 lats.append(s.b) 2970300 2.7 lngs.append(s.l) 10010105 9.2 other_expensive_operation(lats, lngs) 5 0.0 return lats, lngs
from astropy.coordinates import SkyCoord
from astropy.coordinates.builtin_frames.fk4 import FK4
from astropy.coordinates.builtin_frames.galactic import Galactic
def convert_coordinates(ras, decs):
s = SkyCoord(ra=ras, dec=decs, frame=FK4)
s = s.transform_to(Galactic)
lats = s.b
lngs = s.l
other_expensive_operation(lats, lngs)
return lats, lngs
Total time: 11.52 s Time Time% Line Contents ============================== def convert_coordinates(ras, decs): 1366188 11.9 s = SkyCoord(ra=ras, dec=decs, frame=FK4) 134916 1.2 s = s.transform_to(Galactic) 11923 0.1 lats = s.b 6794 0.1 lngs = s.l 10000190 86.8 other_expensive_operation(lats, lngs) 4 0.0 return lats, lngs
Annotate your function with @profile
, and run :
$ kernprof -lv mad_science.py
See the documentation.
Benchmarking is easy.
Also, it teaches you a lot of things !
Tricks I learned along the way.
Slicing a numpy
ndarray
creates a view
of the original ndarray
!
import numpy as np
a = np.array([1, 2, 3])
b = a[1:] # [2, 3]
b[0] = 0
print a # [1, 0, 3] !
# If you want a copy, use
b = a[1:].copy()
# Define a generator
def masked_pixels(x_max, y_max, mask):
for x in range(x_max):
for y in range(y_max):
if not mask[x, y]:
yield x, y
# Then you can do
for x, y in masked_pixels(x_max, y_max, mask)
# ...
Use yield
instead of return
.
xrange
Faster, more memory efficient.
>>> %timeit -n 10 range(1000000)
10 loops, best of 3: 23.3 ms per loop
>>> %timeit -n 10 xrange(1000000)
10 loops, best of 3: 0.6 ms per loop
Warning: Python 3 only has range
.
a = [0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233]
b = [n**2 for n in a]
# [0, 1, 1, 4, 9, 25, 64, 169, 441, 1156, 3025, 7921, 20736, 54289]
import numpy as np
a = np.array([0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233])
b = a ** 2
Vectorized calculus is usually faster,
especially with bigger lists.
When lists become too big.
# Count the number of characters per line. Yields a generator.
counts = (len(line.strip()) for line in open('big_file.txt'))
for c in counts:
print c
# BUT !
counts[1] # Won't work, it's a generator !
# Don't do this
s = "a = " + a + " and b = " + b
# Instead, do this
s = "a = %s and b = %s" % (a, b)
It's faster, safer, and pythonic.
enumerate
# Don't do this
for i in range(len(my_list)):
my_element = my_list[i]
print i, my_element
# Instead, do this
for i, my_element in enumerate(my_list):
print i, my_element
Don't describe what the function is doing.
Python is designed to be idiomatic already.
Instead, describe why, and how.
Describe the pitfalls, caveats, and restrictions.
area = intersection_area(polygon_a, polygon_b) # 16%
if area > 0: # 8%
# ...
Don't skip the hypothesis that such a simple comparison on floats can be significant, performance-wise.


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I have over 15 years experience in Web Design from designing and maintaining web sites to other online collateral such as html e-mails, landing pages and conference sites. I have also gained experience in web development using Html, CSS, Javascript and Visual Studio
Build, update and maintain corporate web pages in Word Press to market services provided.
Delivered timely, accurate & professional customer service to all Amazon customers.
Built innovative & creative web design for increasing customer visits and increased product sales.
Centered the content on the panel body elements on the Index page of Campaigns. Updated the CSS and C# page to allow for better formatting of page
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Reformatted page by moving image on the page to fall next to the Campaign input
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Changed the width of the buttons on the Landing page so that they do not take up the width of the page but fit the content of the button
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Fix the Code on the Export Emails link on the Index page of the Referrals controller to only display the emails of the referrals in the CSV sheet
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Center the cell data in the User Role, Campaign Count and Referral Count columns on the user table on the Index page of the Admin Controller
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HTML Sample
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• Hashiwokakero •
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Elizabeth graduated from Northern Kentucky University with a Bachelor of Science in Computer Science and Bachelor of Arts in Media Informatics. Because one degree was too boring. She's just your friendly neighbor full stack developer with a killer playlist.


let vc = FUIWelcomeScreen.createInstanceFromStoryboard()
vc.state = .isConfigured // shows version2 of the launch screen
vc.welcomeLabel.text = "Welcome Label"
vc.welcomeDetailLabel.text = "Welcome Detail: Thank you for downloading SAP Project Companion for Managers."
vc.instructionTextView.text = "This is instructionTextView text, don't worry, you can comment this code to see the default text"
vc.signInButton.setTitle("Back", for: UIControlState.normal)
vc.signInButton.addTarget(self, action: #selector(navBack), for: UIControlEvents.touchUpInside)
self.navigationController?.pushViewController(vc, animated: true)


|
||||||||||
| PREV LETTER NEXT LETTER | FRAMES NO FRAMES |
EntityArrays.BASIC_ESCAPE()
for unescaping purposes.
ThreadFactory
interface that provides some
configuration options for the threads it creates.BasicThreadFactory
.NumericEntityEscaper
below the specified value (exclusive).
UnicodeEscaper
below the specified value (exclusive).
NumericEntityEscaper
between the specified values (inclusive).
UnicodeEscaper
between the specified values (inclusive).
ByteOrderMark
as its first bytes.ByteOrderMark.UTF_8
BOM.
ByteOrderMark.UTF_8
and optionally includes it.
BooleanUtils
instances should NOT be constructed in standard programming.
BoundedInputStream
that wraps the given input
stream and limits it to a certain size.
BoundedInputStream
that wraps the given input
stream and is unlimited.
IOException
IOException
builder
has judged the "left-hand" side
as less than, greater than, or equal to the "right-hand"
side.
true
if the fields that have been checked
are all equal.
hashCode
.
BasicThreadFactory
with all configuration
options that have been specified by calling methods on this builder.
BOMInputStream
.
|
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| PREV LETTER NEXT LETTER | FRAMES NO FRAMES |


{% extends "base.html" %} {% block title %}Analysis Toolbox for ‘{{ html_analysis.title }}’{% endblock %} {% block content %}
Link: {{ html_analysis.title }}
The following tools are available:


Hello this is my fixed footer
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Class: ActiveRecord::ConnectionAdapters::PostgreSQLAdapter
| Relationships & Source Files | |
| Super Chains via Extension / Inclusion / Inheritance | |
|
Class Chain:
|
|
|
Instance Chain:
|
|
| Inherits: |
ActiveRecord::ConnectionAdapters::AbstractAdapter
|
| Defined in: | activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb |
Overview
The PostgreSQL adapter works with the native C (github.com/ged/ruby-pg) driver.
Options:
-
:host
- Defaults to a Unix-domain socket in /tmp. On machines without Unix-domain sockets, the default is to connect to localhost. -
:port
- Defaults to 5432. -
:username
- Defaults to be the same as the operating system name of the user running the application. -
:password
- Password to be used if the server demands password authentication. -
:database
- Defaults to be the same as the user name. -
:schema_search_path
- An optional schema search path for the connection given as a string of comma-separated schema names. This is backward-compatible with the:schema_order
option. -
:encoding
- An optional client encoding that is used in aSET client_encoding TO <encoding>
call on the connection. -
:min_messages
- An optional client min messages that is used in aSET client_min_messages TO <min_messages>
call on the connection. -
:variables
- An optional hash of additional parameters that will be used inSET SESSION key = val
calls on the connection. -
:insert_returning
- An optional boolean to control the use ofRETURNING
forINSERT
statements defaults to true.
Any further options are used as connection parameters to libpq. See www.postgresql.org/docs/current/static/libpq-connect.html for the list of parameters.
In addition, default connection parameters of libpq can be set per environment variables. See www.postgresql.org/docs/current/static/libpq-envars.html .
Constant Summary
-
ADAPTER_NAME =
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 74"PostgreSQL"
-
DEADLOCK_DETECTED =
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 463"40P01"
-
DUPLICATE_DATABASE =
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 464"42P04"
-
FOREIGN_KEY_VIOLATION =
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 460"23503"
-
LOCK_NOT_AVAILABLE =
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 465"55P03"
-
NATIVE_DATABASE_TYPES =
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 101{ primary_key: "bigserial primary key", string: { name: "character varying" }, text: { name: "text" }, integer: { name: "integer", limit: 4 }, float: { name: "float" }, decimal: { name: "decimal" }, datetime: { name: "timestamp" }, time: { name: "time" }, date: { name: "date" }, daterange: { name: "daterange" }, numrange: { name: "numrange" }, tsrange: { name: "tsrange" }, tstzrange: { name: "tstzrange" }, int4range: { name: "int4range" }, int8range: { name: "int8range" }, binary: { name: "bytea" }, boolean: { name: "boolean" }, xml: { name: "xml" }, tsvector: { name: "tsvector" }, hstore: { name: "hstore" }, inet: { name: "inet" }, cidr: { name: "cidr" }, macaddr: { name: "macaddr" }, uuid: { name: "uuid" }, json: { name: "json" }, jsonb: { name: "jsonb" }, ltree: { name: "ltree" }, citext: { name: "citext" }, point: { name: "point" }, line: { name: "line" }, lseg: { name: "lseg" }, box: { name: "box" }, path: { name: "path" }, polygon: { name: "polygon" }, circle: { name: "circle" }, bit: { name: "bit" }, bit_varying: { name: "bit varying" }, money: { name: "money" }, interval: { name: "interval" }, oid: { name: "oid" }, }
-
NOT_NULL_VIOLATION =
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 459"23502"
-
NUMERIC_VALUE_OUT_OF_RANGE =
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 458"22003"
-
QUERY_CANCELED =
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 466"57014"
-
SERIALIZATION_FAILURE =
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 462"40001"
-
UNIQUE_VIOLATION =
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 461"23505"
-
VALUE_LIMIT_VIOLATION =
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 457
"22001"
::ActiveSupport::Callbacks
- Included
DatabaseStatements
- Included
DEFAULT_INSERT_VALUE
Quoting
- Included
COLUMN_NAME, COLUMN_NAME_WITH_ORDER
AbstractAdapter
- Inherited
ADAPTER_NAME, COMMENT_REGEX, SIMPLE_INT
PostgreSQL::Quoting
- Included
COLUMN_NAME, COLUMN_NAME_WITH_ORDER
Class Attribute Summary
AbstractAdapter
- Inherited
Class Method Summary
- .database_exists?(config) ⇒ Boolean
-
.new(connection, logger, connection_parameters, config) ⇒ PostgreSQLAdapter
constructor
Initializes and connects a
PostgreSQL
adapter. - .new_client(conn_params)
AbstractAdapter
- Inherited
| .database_exists? | Does the database for this adapter exist? |
| .type_cast_config_to_boolean, .type_cast_config_to_integer |
::ActiveSupport::DescendantsTracker
- Inherited
| clear, descendants, direct_descendants, | |
| store_inherited | This is the only method that is not thread safe, but is only ever called during the eager loading phase. |
| subclasses |
Instance Attribute Summary
-
#active? ⇒ Boolean
readonly
Is this connection alive and ready for queries?
- #create_unlogged_tables rw
- #create_unlogged_tables? ⇒ Boolean rw
-
#session_auth=(user)
writeonly
Set the authorized user for this session.
- #supports_advisory_locks? ⇒ Boolean readonly
- #supports_bulk_alter? ⇒ Boolean readonly
- #supports_check_constraints? ⇒ Boolean readonly
- #supports_comments? ⇒ Boolean readonly
- #supports_common_table_expressions? ⇒ Boolean readonly
- #supports_datetime_with_precision? ⇒ Boolean readonly
- #supports_ddl_transactions? ⇒ Boolean readonly
- #supports_explain? ⇒ Boolean readonly
- #supports_expression_index? ⇒ Boolean readonly
- #supports_extensions? ⇒ Boolean readonly
- #supports_foreign_keys? ⇒ Boolean readonly
- #supports_foreign_tables? ⇒ Boolean readonly
- #supports_index_sort_order? ⇒ Boolean readonly
-
#supports_insert_conflict_target?
readonly
Alias for #supports_insert_on_conflict?.
- #supports_insert_on_conflict? ⇒ Boolean (also: #supports_insert_on_duplicate_skip?, #supports_insert_on_duplicate_update?, #supports_insert_conflict_target?) readonly
-
#supports_insert_on_duplicate_skip?
readonly
Alias for #supports_insert_on_conflict?.
-
#supports_insert_on_duplicate_update?
readonly
Alias for #supports_insert_on_conflict?.
- #supports_insert_returning? ⇒ Boolean readonly
- #supports_json? ⇒ Boolean readonly
- #supports_lazy_transactions? ⇒ Boolean readonly
- #supports_materialized_views? ⇒ Boolean readonly
- #supports_optimizer_hints? ⇒ Boolean readonly
- #supports_partial_index? ⇒ Boolean readonly
- #supports_partitioned_indexes? ⇒ Boolean readonly
- #supports_pgcrypto_uuid? ⇒ Boolean readonly
- #supports_savepoints? ⇒ Boolean readonly
- #supports_transaction_isolation? ⇒ Boolean readonly
- #supports_validate_constraints? ⇒ Boolean readonly
- #supports_views? ⇒ Boolean readonly
- #use_insert_returning? ⇒ Boolean readonly
PostgreSQL::SchemaStatements
- Included
| #client_min_messages | Returns the current client message level. |
| #client_min_messages= | Set the client message level. |
| #schema_search_path | Returns the active schema search path. |
| #schema_search_path= | Sets the schema search path to a string of comma-separated schema names. |
AbstractAdapter
- Inherited
| #__callbacks, #__callbacks?, | |
| #active? | Checks whether the connection to the database is still active. |
| #in_use? | Alias for AbstractAdapter#owner. |
| #lock, #logger, #owner, #pool, | |
| #prepared_statements | Alias for AbstractAdapter#prepared_statements?. |
| #preventing_writes? | Determines whether writes are currently being prevented. |
| #replica?, | |
| #requires_reloading? | Returns true if its required to reload the connection between requests for development mode. |
| #schema_cache, #schema_cache=, | |
| #supports_advisory_locks? | Does this adapter support application-enforced advisory locking? |
| #supports_bulk_alter?, | |
| #supports_check_constraints? | Does this adapter support creating check constraints? |
| #supports_comments? | Does this adapter support metadata comments on database objects (tables, columns, indexes)? |
| #supports_comments_in_create? | Can comments for tables, columns, and indexes be specified in create/alter table statements? |
| #supports_common_table_expressions?, | |
| #supports_datetime_with_precision? | Does this adapter support datetime with precision? |
| #supports_ddl_transactions? | Does this adapter support DDL rollbacks in transactions? That is, would CREATE TABLE or ALTER TABLE get rolled back by a transaction? |
| #supports_explain? | Does this adapter support explain? |
| #supports_expression_index? | Does this adapter support expression indices? |
| #supports_extensions? | Does this adapter support database extensions? |
| #supports_foreign_keys? | Does this adapter support creating foreign key constraints? |
| #supports_foreign_tables? | Does this adapter support foreign/external tables? |
| #supports_index_sort_order? | Does this adapter support index sort order? |
| #supports_indexes_in_create? | Does this adapter support creating indexes in the same statement as creating the table? |
| #supports_insert_conflict_target?, #supports_insert_on_duplicate_skip?, #supports_insert_on_duplicate_update?, #supports_insert_returning?, | |
| #supports_json? | Does this adapter support json data type? |
| #supports_lazy_transactions?, | |
| #supports_materialized_views? | Does this adapter support materialized views? |
| #supports_optimizer_hints? | Does this adapter support optimizer hints? |
| #supports_partial_index? | Does this adapter support partial indices? |
| #supports_partitioned_indexes?, | |
| #supports_savepoints? | Does this adapter support savepoints? |
| #supports_transaction_isolation? | Does this adapter support setting the isolation level for a transaction? |
| #supports_validate_constraints? | Does this adapter support creating invalid constraints? |
| #supports_views? | Does this adapter support views? |
| #supports_virtual_columns? | Does this adapter support virtual columns? |
| #use_metadata_table?, #visitor |
DatabaseStatements
- Included
Instance Method Summary
- #disable_extension(name)
-
#disconnect!
Disconnects from the database if already connected.
- #enable_extension(name)
- #extension_available?(name) ⇒ Boolean
- #extension_enabled?(name) ⇒ Boolean
- #extensions
- #index_algorithms
-
#max_identifier_length
Returns the configured supported identifier length supported by
PostgreSQL
. -
#postgresql_version
Alias for AbstractAdapter#database_version.
-
#reconnect!
Close then reopen the connection.
- #reset!
- #set_standard_conforming_strings
PostgreSQL::DatabaseStatements
- Included
| #begin_db_transaction | Begins a transaction. |
| #begin_isolated_db_transaction, | |
| #commit_db_transaction | Commits a transaction. |
| #exec_delete, #exec_insert, #exec_query, | |
| #exec_rollback_db_transaction | Aborts a transaction. |
| #exec_update | Alias for PostgreSQL::DatabaseStatements#exec_delete. |
| #execute | Executes an SQL statement, returning a |
| #explain |
PostgreSQL::SchemaStatements
- Included
| #collation | Returns the current database collation. |
| #create_database | Create a new |
| #create_schema | Creates a schema for the given schema name. |
| #ctype | Returns the current database ctype. |
| #current_database | Returns the current database name. |
| #current_schema | Returns the current schema name. |
| #drop_schema | Drops the schema for the given schema name. |
| #encoding | Returns the current database encoding format. |
| #foreign_keys, #foreign_table_exists?, #foreign_tables, | |
| #index_name_exists? | Verifies existence of an index with a given name. |
| #rename_index | Renames an index of a table. |
| #rename_table | Renames a table. |
| #schema_exists? | Returns true if schema exists. |
| #schema_names | Returns an array of schema names. |
| #serial_sequence, | |
| #validate_check_constraint | Validates the given check constraint. |
| #validate_constraint | Validates the given constraint. |
| #validate_foreign_key | Validates the given foreign key. |
PostgreSQL::Quoting
- Included
| #column_name_matcher, #column_name_with_order_matcher, | |
| #escape_bytea | Escapes binary strings for bytea input to the database. |
| #quote_schema_name | Quotes schema names for use in SQL queries. |
| #quote_table_name_for_assignment, | |
| #unescape_bytea | Unescapes bytea output from a database to the binary string it represents. |
AbstractAdapter
- Inherited
| #adapter_name | Returns the human-readable name of the adapter. |
| #clear_cache! | Clear any caching the database adapter may be doing. |
| #close | Check the connection back in to the connection pool. |
| #disable_extension | This is meant to be implemented by the adapters that support extensions. |
| #disable_referential_integrity | Override to turn off referential integrity while executing |
| #discard! | Immediately forget this connection ever existed. |
| #disconnect! | Disconnects from the database if already connected. |
| #enable_extension | This is meant to be implemented by the adapters that support extensions. |
| #expire | this method must only be called while holding connection pool’s mutex. |
| #extensions | A list of extensions, to be filled in by adapters that support them. |
| #index_algorithms | A list of index algorithms, to be filled by adapters that support them. |
| #lease | this method must only be called while holding connection pool’s mutex. |
| #prefetch_primary_key? | Should primary key values be selected from their corresponding sequence before the insert statement? If true, next_sequence_value is called before each insert to set the record’s primary key. |
| #prepared_statements?, | |
| #raw_connection | Provides access to the underlying database driver for this adapter. |
| #reconnect! | Disconnects from the database if already connected, and establishes a new connection with the database. |
| #reset! | Reset the state of this connection, directing the DBMS to clear transactions and other connection-related server-side state. |
| #throw_away! | Removes the connection from the pool and disconnect it. |
| #unprepared_statement, | |
| #verify! | Checks whether the connection to the database is still active (i.e. not stale). |
| #log |
Savepoints
- Included
DatabaseLimits
- Included
| #allowed_index_name_length | Returns the maximum allowed length for an index name. |
| #in_clause_length | Returns the maximum number of elements in an IN (x,y,z) clause. |
| #index_name_length | Returns the maximum length of an index name. |
| #table_alias_length | Returns the maximum length of a table alias. |
Quoting
- Included
| #quote | Quotes the column value to help prevent SQL injection attacks. |
| #quote_column_name | Quotes the column name. |
| #quote_string | Quotes a string, escaping any ‘ (single quote) and \ (backslash) characters. |
| #quote_table_name | Quotes the table name. |
| #quote_table_name_for_assignment | Override to return the quoted table name for assignment. |
| #quoted_date | Quote date/time values for use in SQL input. |
| #quoted_false, #quoted_true, | |
| #type_cast | Cast a |
| #unquoted_false, #unquoted_true |
DatabaseStatements
- Included
| #add_transaction_record | Register a record with the current transaction so that its after_commit and after_rollback callbacks can be called. |
| #begin_db_transaction | Begins the transaction (and turns off auto-committing). |
| #begin_isolated_db_transaction | Begins the transaction with the isolation level set. |
| #commit_db_transaction | Commits the transaction (and turns on auto-committing). |
| #create | Alias for DatabaseStatements#insert. |
| #default_sequence_name, | |
| #delete | Executes the delete statement and returns the number of rows affected. |
| #disable_lazy_transactions!, #empty_insert_statement_value, #enable_lazy_transactions!, | |
| #exec_delete | Executes delete |
| #exec_insert | Executes insert |
| #exec_query | Executes |
| #exec_update | Executes update |
| #execute | Executes the SQL statement in the context of this connection and returns the raw result from the connection adapter. |
| #initialize, | |
| #insert | Executes an INSERT query and returns the new record’s ID. |
| #insert_fixture | Inserts the given fixture into the table. |
| #insert_fixtures_set, | |
| #reset_sequence! | Set the sequence to the max value of the table’s column. |
| #rollback_db_transaction | Rolls back the transaction (and turns on auto-committing). |
| #rollback_to_savepoint, | |
| #sanitize_limit | Sanitizes the given LIMIT parameter in order to prevent SQL injection. |
| #select_all | Returns an |
| #select_one | Returns a record hash with the column names as keys and column values as values. |
| #select_rows | Returns an array of arrays containing the field values. |
| #select_value | Returns a single value from a record. |
| #select_values | Returns an array of the values of the first column in a select: |
| #to_sql | Converts an arel AST to SQL. |
| #transaction | Runs the given block in a database transaction, and returns the result of the block. |
| #transaction_isolation_levels, | |
| #truncate | Executes the truncate statement. |
| #update | Executes the update statement and returns the number of rows affected. |
| #write_query? | Determines whether the SQL statement is a write query. |
SchemaStatements
- Included
| #add_belongs_to | Alias for SchemaStatements#add_reference. |
| #add_check_constraint | Adds a new check constraint to the table. |
| #add_column | Add a new |
| #add_foreign_key | Adds a new foreign key. |
| #add_index | Adds a new index to the table. |
| #add_reference | Adds a reference. |
| #add_timestamps | Adds timestamps ( |
| #assume_migrated_upto_version, | |
| #change_column | Changes the column’s definition according to the new options. |
| #change_column_comment | Changes the comment for a column or removes it if |
| #change_column_default | Sets a new default value for a column: |
| #change_column_null | Sets or removes a |
| #change_table | A block for changing columns in |
| #change_table_comment | Changes the comment for a table or removes it if |
| #check_constraints | Returns an array of check constraints for the given table. |
| #column_exists? | Checks to see if a column exists in a given table. |
| #columns | Returns an array of |
| #create_join_table | Creates a new join table with the name created using the lexical order of the first two arguments. |
| #create_table | Creates a new table with the name |
| #data_source_exists? | Checks to see if the data source |
| #data_sources | Returns the relation names useable to back Active Record models. |
| #drop_join_table | Drops the join table specified by the given arguments. |
| #drop_table | Drops a table from the database. |
| #foreign_key_exists? | Checks to see if a foreign key exists on a table for a given foreign key definition. |
| #foreign_keys | Returns an array of foreign keys for the given table. |
| #index_exists? | Checks to see if an index exists on a table for a given index definition. |
| #index_name_exists? | Verifies the existence of an index with a given name. |
| #indexes | Returns an array of indexes for the given table. |
| #native_database_types | Returns a hash of mappings from the abstract data types to the native database types. |
| #options_include_default?, | |
| #primary_key | Returns just a table’s primary key. |
| #remove_belongs_to | Alias for SchemaStatements#remove_reference. |
| #remove_check_constraint | Removes the given check constraint from the table. |
| #remove_column | Removes the column from the table definition. |
| #remove_columns | Removes the given columns from the table definition. |
| #remove_foreign_key | Removes the given foreign key from the table. |
| #remove_index | Removes the given index from the table. |
| #remove_reference | Removes the reference(s). |
| #remove_timestamps | Removes the timestamp columns ( |
| #rename_column | Renames a column. |
| #rename_index | Renames an index. |
| #rename_table | Renames a table. |
| #table_alias_for | Truncates a table alias according to the limits of the current adapter. |
| #table_comment | Returns the table comment that’s stored in database metadata. |
| #table_exists? | Checks to see if the table |
| #table_options, | |
| #tables | Returns an array of table names defined in the database. |
| #view_exists? | Checks to see if the view |
| #views | Returns an array of view names defined in the database. |
::ActiveSupport::Callbacks
- Included
| #run_callbacks | Runs the callbacks for the given event. |
Constructor Details
.new(connection, logger, connection_parameters, config) ⇒ PostgreSQLAdapter
Initializes and connects a PostgreSQL
adapter.
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 247
def initialize(connection, logger, connection_parameters, config) super(connection, logger, config) @connection_parameters = connection_parameters || {} # @local_tz is initialized as nil to avoid warnings when connect tries to use it @local_tz = nil @max_identifier_length = nil configure_connection add_pg_encoders add_pg_decoders @type_map = Type::HashLookupTypeMap.new initialize_type_map @local_tz = execute("SHOW TIME ZONE", "SCHEMA").first["TimeZone"] @use_insert_returning = @config.key?(:insert_returning) ? self.class.type_cast_config_to_boolean(@config[:insert_returning]) : true end
Class Attribute Details
.create_unlogged_tables (rw)
[ GitHub ]# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 99
class_attribute :create_unlogged_tables, default: false
.create_unlogged_tables? ⇒ Boolean
(rw)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 99
class_attribute :create_unlogged_tables, default: false
Class Method Details
.database_exists?(config) ⇒ Boolean
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 266
def self.database_exists?(config) !!ActiveRecord::Base.postgresql_connection(config) rescue ActiveRecord::NoDatabaseError false end
.new_client(conn_params)
[ GitHub ]# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 77
def new_client(conn_params) PG.connect(**conn_params) rescue ::PG::Error => error if conn_params && conn_params[:dbname] && error. .include?(conn_params[:dbname]) raise ActiveRecord::NoDatabaseError else raise ActiveRecord::ConnectionNotEstablished, error. end end
Instance Attribute Details
#active? ⇒ Boolean
(readonly)
Is this connection alive and ready for queries?
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 273
def active? @lock.synchronize do @connection.query "SELECT 1" end true rescue PG::Error false end
#create_unlogged_tables (rw)
[ GitHub ]# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 99
class_attribute :create_unlogged_tables, default: false
#create_unlogged_tables? ⇒ Boolean
(rw)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 99
class_attribute :create_unlogged_tables, default: false
#session_auth=(user) (writeonly)
Set the authorized user for this session
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 415
def session_auth=(user) clear_cache! execute("SET SESSION AUTHORIZATION #{user}") end
#supports_advisory_locks? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 332
def supports_advisory_locks? true end
#supports_bulk_alter? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 151
def supports_bulk_alter? true end
#supports_check_constraints? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 179
def supports_check_constraints? true end
#supports_comments? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 199
def supports_comments? true end
#supports_common_table_expressions? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 363
def supports_common_table_expressions? true end
#supports_datetime_with_precision? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 191
def supports_datetime_with_precision? true end
#supports_ddl_transactions? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 328
def supports_ddl_transactions? true end
#supports_explain? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 336
def supports_explain? true end
#supports_expression_index? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 167
def supports_expression_index? true end
#supports_extensions? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 340
def supports_extensions? true end
#supports_foreign_keys? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 175
def supports_foreign_keys? true end
#supports_foreign_tables? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 348
def supports_foreign_tables? true end
#supports_index_sort_order? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 155
def supports_index_sort_order? true end
#supports_insert_conflict_target? (readonly)
Alias for #supports_insert_on_conflict?.
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 216
alias supports_insert_conflict_target? supports_insert_on_conflict?
#supports_insert_on_conflict? ⇒ Boolean
(readonly)
Also known as: #supports_insert_on_duplicate_skip?, #supports_insert_on_duplicate_update?, #supports_insert_conflict_target?
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 211
def supports_insert_on_conflict? database_version >= 90500 end
#supports_insert_on_duplicate_skip? (readonly)
Alias for #supports_insert_on_conflict?.
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 214
alias supports_insert_on_duplicate_skip? supports_insert_on_conflict?
#supports_insert_on_duplicate_update? (readonly)
Alias for #supports_insert_on_conflict?.
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 215
alias supports_insert_on_duplicate_update? supports_insert_on_conflict?
#supports_insert_returning? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 207
def supports_insert_returning? true end
#supports_json? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 195
def supports_json? true end
#supports_lazy_transactions? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 367
def supports_lazy_transactions? true end
#supports_materialized_views? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 344
def supports_materialized_views? true end
#supports_optimizer_hints? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 356
def supports_optimizer_hints? unless defined?(@has_pg_hint_plan) @has_pg_hint_plan = extension_available?("pg_hint_plan") end @has_pg_hint_plan end
#supports_partial_index? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 163
def supports_partial_index? true end
#supports_partitioned_indexes? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 159
def supports_partitioned_indexes? database_version >= 110_000 end
#supports_pgcrypto_uuid? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 352
def supports_pgcrypto_uuid? database_version >= 90400 end
#supports_savepoints? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 203
def supports_savepoints? true end
#supports_transaction_isolation? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 171
def supports_transaction_isolation? true end
#supports_validate_constraints? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 183
def supports_validate_constraints? true end
#supports_views? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 187
def supports_views? true end
#use_insert_returning? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 420
def use_insert_returning? @use_insert_returning end
Instance Method Details
#disable_extension(name)
[ GitHub ]# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 391
def disable_extension(name) exec_query("DROP EXTENSION IF EXISTS \"#{name}\" CASCADE").tap { reload_type_map } end
#disconnect!
Disconnects from the database if already connected. Otherwise, this method does nothing.

# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 428
alias :postgresql_version :database_version
#reconnect!
Close then reopen the connection.
# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 283
def reconnect! @lock.synchronize do super @connection.reset configure_connection rescue PG::ConnectionBad connect end end
#reset!
[ GitHub ]# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 293
def reset! @lock.synchronize do clear_cache! reset_transaction unless @connection.transaction_status == ::PG::PQTRANS_IDLE @connection.query "ROLLBACK" end @connection.query "DISCARD ALL" configure_connection end end
#set_standard_conforming_strings
[ GitHub ]# File 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb', line 324
def set_standard_conforming_strings execute("SET standard_conforming_strings = on", "SCHEMA") end


A compiled language is a programming language whose implementations are typically compilers (translators that generate machine code from source code).
For example, an addition "+" operation in your source code could be translated directly to the "ADD" instruction in machine code.
An interpreted language is a programming language for which most of its implementations execute instructions directly, without previously compiling a program into machine-language instructions. The interpreter executes the program directly, translating each statement into a sequence of one or more subroutines already compiled into machine code.
For example, the same "+" operation would be recognised by the interpreter at run time, which would then call its own "add(a,b)" function with the appropriate arguments, which would then execute the machine code "ADD" instruction.
Example of compiled language is Fortran, c, c++, etc.
Example of interpreted language is perl, php, etc.
An Approachable Open Source project from Approachable IO


LART
`Prev `__
L
`Next `__
--------------
**LART**: //
Luser Attitude Readjustment Tool.
1. n. In the collective mythos of `*scary devil
monastery* <../S/scary-devil-monastery.html>`__, this is an essential
item in the toolkit of every `*BOFH* <../B/BOFH.html>`__. The LART
classic is a 2x4 or other large billet of wood usable as a club, to be
applied upside the head of spammers and other people who cause sysadmins
more grief than just naturally goes with the job. Perennial debates rage
on ``alt.sysadmin.recovery`` over what constitutes the truly effective
LART; knobkerries, automatic weapons, flamethrowers, and tactical nukes
all have their partisans. Compare
`*clue-by-four* <../C/clue-by-four.html>`__.
2. v. To use a LART. Some would add “in malice”, but some sysadmins do
prefer to gently lart their users as a first (and sometimes final)
warning.
3. interj. Calling for one's LART, much as a surgeon might call
“Scalpel!”.
4. interj. [rare] Used in `*flame* <../F/flame.html>`__\ s as a rebuke.
“LART! LART! LART!”
--------------
+----------------------------------------+----------------------------+---------------------------------+
| `Prev `__ | `Up <../L.html>`__ | `Next `__ |
+----------------------------------------+----------------------------+---------------------------------+
| languages of choice | `Home <../index.html>`__ | larval stage |
+----------------------------------------+----------------------------+---------------------------------+


SEVENx
The SEVENx process is a novel, patented technology that allows pasteurized milk to be concentrated to a liquid that has one seventh its original volume. SEVENx removes 95% of the original water yielding a 5.8x mass concentration that has 85% less volume than the raw milk. The technology effectively reduces the volume of seven tankers of milk into one container of concentrate.
The end product is uniquely lactose-free and shelf-stable without refrigeration for up to one year at ambient temperatures. The highly sustainable process uses moderate temperatures that are gentle enough to leave milk proteins intact; the end product is usable both as an ingredient and a concentrate, with the reconstituted product has the pleasant flavor of fresh milk.
The Wisconsin Center for Dairy Research
Dairyvative Technologies is proud to locate the Dairyvative Pilot Center at the Wisconsin Center for Dairy Research (CDR) , the premier dairy research center located on the University of Wisconsin-Madison campus.


RIGHT OF REPLY Greetings. I strongly regret any inconvenience the receipt of this letter may cause you, bearing in mind the nature of its content coming from a person without any referral, but please read and assimilate its content and objectively consider if we can work together. I am the head of the account department of a Private Bank in the United Kingdom and I would like to intimate you with certain facts that I believe would be of interest to you. This involves a client who had an investment placed under our bank's management years ago, the circumstances surrounding the investment made by this client who died interstate, with no known nominated successor in title over this investment made with the Private Banking Branch of my bank has made it very difficult to locate anyone who is directly related to the deceased. With the very strong feeling that no one will ever come forward to claim the funds and the investigation coming to a close after several months, the need for an assistance becomes crucial, as a next of kin to the depositor is earnestly being searched for, I have already developed a foolproof, legal and totally risk free means through which the fund can be released to your nominated bank account within a very short time after due documentation and authentication process. The strategy is to use my position and influence as the Head of the branch and Personal Account officer of the deceased to present you as a next of Kin and beneficiary of the deposit. I want to assure you that I have concluded all local modalities for the successful completion of this within 10 banking days of your agreement to proceed with me as the required assistance is perfected to be 100% risk free. Please reply me to enable us proceed. I expect your urgent response and if in the affirmative, I shall advice you on what we need to do. Best regards, Frank Jones.


Links
This section provides links to the various sections of this website
Venues
This page provides a description of each of the venues for the Six Nations Championship.
Croke Park
Croke Park in Dublin, Ireland is the largest sports stadium in Ireland and the principal stadium and headquarters of the Gaelic Athletic Association (GAA), Ireland's biggest sporting organisation.
Millennium Stadium
The Millennium Stadium is the national stadium of Wales, located in the capital Cardiff. It is the home of the Wales national rugby union team and the Wales national football team but is also host to many other large scale events, such as Wales Rally Great Britain stage of the World Rally Championship, Speedway Grand Prix of Great Britain, boxing and many music concerts, including Madonna, The Rolling Stones and Tsunami Relief concert.
Murrayfield
Murrayfield Stadium (usually just known as Murrayfield) is a sports stadium located in the west end of Edinburgh, the capital of Scotland. At present its all-seater capacity is 67,800, making it the largest stadium in Scotland and one of the largest in the United Kingdom overall. The stadium is the home of the Scottish Rugby Union (SRU), and is primarily used as a venue for rugby union and hosts most of Scotland's home test matches, as well as the Edinburgh Sevens, the Scottish Hydro Electric Cup final, as well as Magners League and Heineken Cup matches. The stadium is considered an icon of Scottish rugby.
Stade de France
The Stade de France is the national stadium of France, situated in the Paris suburb of Saint-Denis. It has an all-seater capacity of 80,000 and is used for the French rugby union team during the Six Nations and other major internationals. The French football team also use the stadium for almost every home game, and it was there where they defeated Brazil 3-0 in the 1998 FIFA World Cup Final. Paris's main rugby club, Stade Francais, periodically use the stadium as a home ground for some major matches.
Twickenham
Twickenham Stadium (usually known as just Twickenham) is a stadium located in Twickenham, in the London Borough of Richmond upon Thames. It is the largest rugby union stadium in the United Kingdom and has recently been enlarged to seat 82,000. This makes it the second largest stadium in the UK after Wembley Stadium. The stadium is the home of the Rugby Football Union (RFU), and as such primarily a venue for rugby union and hosts England's home test matches, as well as the Middlesex Sevens, the Guinness Premiership final, as well as EDF Energy Cup and Heineken Cup matches. The stadium is considered an icon of English rugby.
Stadio Flaminio
The Stadio Flaminio is a stadium in Rome. It lies along the Via Flaminia, three kilometres northwest of the city centre, 300 metres away from the Parco di Villa Glori. It is now the home of Italy rugby union national team in its Six Nations tournament home matches. With a capacity of 30,000 (8,000 covered) it is the smallest of the Six Nations stadiums. It is no longer considered big enough for the Italian national team and there are continually reports that they will be moving to Genoa.


Use your factory remote for certain Dodge, Jeep, Ram, Chrysler, and other manufacturer's models. No extra fob needed in many cases.
Start, lock, and unlock from one button. This was a 45 minute job using the IDATALINK ADS-AL-CA Bypass.
This CS-700S is in the same class of features as the CS-800S.
This installation was $240 out the door. As it was a christmas present the antenna was hidden to give no indication of the installation. The box was wrapped up and constained to key fobs ready to go. Just start the Toyota from inside the house.
Note that this installs shows the 6102 remote, which is a few generations prior to the CS-6402 you can see in the fob image above. (Third remote in the first row). The features improved over the 6102 to now offer a 1000-foot range, diesel wait-to-start, plus alram, etc.
My apologies for the video; this was one of my first phone videos. You can see the factory remote being used here. So this is a non-factory remote start unit using the factory fob. This is still available for a number of vehicle makes and models now. Call me with your make and model for more information.
This CS-901-SS is installed in a stick shift 2013 Subaru WRX. This unit has a one mile range, and offers turbo timer, and programmable runtime. With the 2-way LCD, rechargeable remote (plus the additional included remote) you have the battery life and status at a glance.


owlBits!
This past summer I worked in the Lifelong Kindergarten group at the MIT Media Lab under Dr. Amon Milner, crafting lessons to teach neuroscience using littleBits, a DIY electronics platform. The lesson is designed to make neuroscience accessible to students with a wide range of learning styles. Self-directed lessons allow students to proceed at their own pace, making it less embarrassing for students who might require more time. Click here to see the full lesson plan.
Research
My research interests center around developmental disorders and learning disabilities. Click to learn more about my research experiences.
Synthesizer
I worked on a four person team to create a digital and analog musical synthesizer. The synthesizer takes in a midi signal and extracts pitch and duration. This information is translated into a square wave with correct frequency on an arduino. An ASDR filter modifies the output. Click here to see the website for it.


ABANDONED (director: Joseph Newman; screenwriters: Irwin Gielgud/William Bowers; cinematographer: William Daniels; cast: Raymond Burr (Kerric), Frank Cady (City Editor), Jeff Chandler (Chief McRae), Dennis O'Keefe (Mark Sitko), Gale Storm (Paula Considine), Meg Randall (Dottie Jensen), Will Kuluva (Little Guy DeCola), Marjorie Rambeau (Mrs. Donner), Jeanette Nolan (Major Ross), Mike Mazurki (Hoppe), William Page (Scoop), David Clarke (Harry), Bert Conway (Delaney), Perc Launders (Dowd), Clifton Young (Eddie), Ruth Sanderson (Mrs. Spence), Earl Smith (Sammy, Shoeshine boy), Edwin Max (Morrie, The Bookie), Virginia Mullen (Nurse Sully), 1949)
Reviewed by Dennis Schwartz
"Abandoned" is a melodramatic noir story that shows the dark side to Los Angeles and what happens to those who come there from a small-town and get absorbed in its sordidness and can't escape from their own hidden vices. It is especially noteworthy for the beautiful work of the cinematographer, William Daniels, and the sinister look he gives to the city; and, the cynicism of the perpetrators, the news media, the police, and the victims. Its pulse is taken out of the shock stories that appear daily in the newspapers. This story is almost-like a documentary expose on the baby-broker racket.
Paula Considine (Gale) has recently come to L.A. to locate her missing sister and baby girl. She is met at the police desk by a sharp reporter looking for a story, Mark Sitko (Dennis), who takes an interest in the case because he is attracted to her. He decides to help track her sister down, even though Paula is reluctant to have him help because she is afraid that this will appear in the newspaper and that might embarrass the family.
When followed by a corrupt private investigator, Kerric (Burr), Sitko's attention grows as he realizes there might be something more to this story than meets the eye, as he senses something shady is going on. Kerric tells them that he has been hired by Paula's father to trail her and get the location where her sister is.  This coincidence, of Kerric being hired by Paula's father, was too unbelievable to be readily accepted. It is never explained how Kerric was hired by the father. The only thing that was explained was that the older sister ran away because she didn't get along with the father and things became worst when her mother died.
 Sitko takes the story to his friend Chief McRae (Chandler), who tells him that if he can come up with something to back up his story of babies being sold illegally, he will use his police powers to help him.
When Kerric is spotted by Sitko trailing them, they try to lose him, as they are busy finding a number of sources that leads them to where her sister might have gone to sell her baby. At a Salvation Army Home, they discover that her sister stayed there and was friends with another pregnant girl, Dottie (Meg). She tells them that a lady with a cane visited them here and paid for her sister's expenses and made arrangements to buy the baby from her, but your sister changed her mind and that was the last she heard from her.
Sitko and Paula cook up a scheme to entrap the baby brokers, as the police set-up a stakeout. Dottie volunteers to have the lady with the cane, the head of the baby-selling organization, Mrs. Donner (Marjorie), think that she is willing to sell her baby. Sitko poses with Paula as the couple who will buy the baby.
The henchmen of Mrs. Donner are ruthless: Little Guy DeCola (Kuluva), her lead henchman, the one responsible for killing Paula's sister, is someone who relishes being nasty to anyone he comes into contact with.  This all comes to light when the slimy Kerric, getting nervous about the police on the trail, double-crosses the organization and tries to sell the sister's baby to Paula, and is found beaten to death. It is shown that Paula is cynical enough about the law to do anything, even if it is not completely ethical, to get hold of her sister's baby, even go along with Kerric's scheme to buy her sister's baby.
The once typical crime story from Hollywood has now taken a more forlorn look at how people really are. Fake niceties are not allowed in this highly charged atmospheric B&W film. The cub reporter under Sitko is told to work on his day off, it would be good for him. Kids in the park playing "Cowboys and Indians"are given a dollar by Sitko to tie-up Kerric as an Indian, which they do without any questions. A nurse becomes part of the baby brokers, forgoing her nursing duties without any concern.
What comes through are the film's conservative aims, as the reporter and his soon-to-be wife, share the same middle class values their fellow postwar American citizens shared at the time. He advances on his job, having good contacts with a police force that is helpful to him; and, his desire to marry the nice small-town girl before she is corrupted by the big city, comes to fruition. He will marry her and usher her away to, in all probability, some kind of suburban lifestyle. Sitko has no vices such as the bottle, womanizing, and gambling. He's about as clean-cut as a noir protagonist gets in these sort of films. The only thing that keeps him noir, is his cynicism and willingness to do anything to get what he wants. He's a wise-guy.
The ones who imbue the film with its usual noir credentials are the heavies: Burr, whose only thought about being involved with murder was, "I should have stuck to blackmail and petty larceny."  And then there is Mazurka, who fits the description of the classical noir heavy to a tee; and, Rambeau, who represents the evil in a woman who can't find satisfaction in family life and instead seeks to attack it by representing herself as something she is not, an upstanding citizen. Her greed and malevolence show that she is not only a cripple in appearance but her soul as a woman is also crippled, and what could be more noir than that impression of her!
REVIEWED ON 1/9/2000 GRADE: C+
Dennis Schwartz: "Ozus' World Movie Reviews"
http://www.sover.net/~ozus
<EMAIL_ADDRESS>© ALL RIGHTS RESERVED DENNIS SCHWARTZ
The review above was posted to the
rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
The Internet Movie Database accepts no responsibility for the contents of the
review and has no editorial control. Unless stated otherwise, the copyright
belongs to the author.
Please direct comments/criticisms of the review to relevant newsgroups.
Broken URLs inthe reviews are the responsibility of the author.
The formatting of the review is likely to differ from the original due
to ASCII to HTML conversion.
Related links: index of all rec.arts.movies.reviews reviews


We sell cats!
- embrace web-enabled supply-chains
- mesh visionary bandwidth
- generate value-added e-tailers
- embrace cross-platform technologies
- transform magnetic vortals
- integrate sexy infomediaries
- architect 24/365 infrastructures
- monetize bleeding-edge communities
- enhance B2C web-readiness
- redefine distributed supply-chains
- iterate proactive web-readiness
- innovate vertical markets


TABLE OF INTERACTIONS WITH
CLOPIDOGREL
See also: platelet aggregation inhibitors
From the French ANSM drug interactions document of September 2016, p. 62
CLOPIDOGREL RxNorm: 32968 ATC: B01AC04 |
ACETYLSALICYLIC ACID RxNorm: 1191 ATC: A01AD05 B01AC06 N02BA01 |
Increase of the risk of hemorrhage due to addition of the platelet antiagregation action |
Not recommended -aside from validated indications for this combination of drugs in acute coronary syndromes. Precaution for use -in validated indications for this combination of drugs in acute coronary syndromes. Clinical monitoring. |
CLOPIDOGREL RxNorm: 32968 ATC: B01AC04 |
PACLITAXEL RxNorm: 56946 ATC: L01CD01 |
Increase of the concentrations of the paclitaxel by the clopidogrel, with risk of increase of the undesirable effects. |
Take into account |
CLOPIDOGREL RxNorm: 32968 ATC: B01AC04 |
PHENYTOIN (AND, BY EXTRAPOLATION, FOSPHENYTOIN) CLASS CODE: N03AB |
Increase of the plasma concentrations of phenytoin with signs of overdose (inhibition of the metabolism of the phenytoin) |
Precaution for use Clinical monitoring and testing of the plasma concentrations of phenytoin. |
CLOPIDOGREL RxNorm: 32968 ATC: B01AC04 |
REPAGLINIDE RxNorm: 73044 ATC: A10BX02 |
Increase of the concentrations of the repaglinide by the clopidogrel, with risk of increase of the undesirable effects. |
Take into account |


| MATLAB 文件帮助: cv.pyrUp | 查看 cv.pyrUp 的代码 | Index |
pyrUp Upsamples an image and then blurs it
dst = cv.pyrUp(src)
dst = cv.pyrUp(src, 'OptionName',optionValue, ...)
uint8
, uint16
, int16
, single
, or double
.src
.[w,h]
. default [0,0], see below.By default, size of the output image is computed as
[size(src,2)*2 size(src,1)*2]
, but in any case, the following conditions
should be satisfied:
abs(DstSize(2) - size(src,2)*2) <= mod(DstSize(2),2)
abs(DstSize(1) - size(src,1)*2) <= mod(DstSize(1),2)
The function performs the upsampling step of the Gaussian pyramid construction, though it can actually be used to construct the Laplacian pyramid. First, it upsamples the source image by injecting even zero rows and columns and then convolves the result with the same kernel as in cv.pyrDown multiplied by 4.


"With Doku we can win the European Championship"- Belgium U-19 coach Jacky Mathijssen
Belgium U-19 coach Jacky Mathijssen is confident the team can qualify and win the European championship with Ghanaian born forward Jeremy Doku.
The 17-year old Anderlecht youngster has been consistent with the senior side this season, and remains an integral part of the Belgium U-19 team.
With the team on the verge of qualification, Jacky Mathijssen believes the talented winger can make the difference for his side.
"With 9 out of 9, a point total that probably won't reach many countries, you end up in pot 1 in the draw for the elite round," explains Mathijssen at Sporza.
"There are only 7 free places for the European Championship. So you have to pass a lot of countries before you get there and that's why it is so important to be able to avoid the countries in pot 1."
"Age-oriented is allowed. If the clubs and the national coach agree, then we have a team that has the chance to become European champions," added Mathijssen.
"Whether there is consultation with, for example, Roberto Martinez? We first have to get there with this group and then we can talk."


- NAME
- Tcl_NewDoubleObj, Tcl_SetDoubleObj, Tcl_GetDoubleFromObj - manipulate Tcl objects as floating-point values
- SYNOPSIS
- #include <tcl.h>
- Tcl_Obj *
- Tcl_NewDoubleObj(doubleValue)
- Tcl_SetDoubleObj(objPtr, doubleValue)
- int
- Tcl_GetDoubleFromObj(interp, objPtr, doublePtr)
- ARGUMENTS
- DESCRIPTION
- SEE ALSO
- KEYWORDS
Tcl_NewDoubleObj, Tcl_SetDoubleObj, Tcl_GetDoubleFromObj - manipulate Tcl objects as floating-point values
#include <tcl.h>
Tcl_Obj *
Tcl_NewDoubleObj(doubleValue)
Tcl_SetDoubleObj(objPtr, doubleValue)
int
Tcl_GetDoubleFromObj(interp, objPtr, doublePtr)
- double doubleValue (in)
-
A double-precision floating-point value used to initialize or set a Tcl object.
- Tcl_Obj *objPtr (in/out)
-
For Tcl_SetDoubleObj, this points to the object in which to store a
double value.
For Tcl_GetDoubleFromObj, this refers to the object
from which to retrieve a double value.
- Tcl_Interp *interp (in/out)
-
When non-NULL, an error message is left here when double value retrieval fails.
- double *doublePtr (out)
-
Points to place to store the double value obtained from objPtr.
These procedures are used to create, modify, and read Tcl objects that
hold double-precision floating-point values.
Tcl_NewDoubleObj creates and returns a new Tcl object initialized to
the double value doubleValue. The returned Tcl object is unshared.
Tcl_SetDoubleObj sets the value of an existing Tcl object pointed to
by objPtr to the double value doubleValue. The objPtr
argument must point to an unshared Tcl object. Any attempt to set the value
of a shared Tcl object violates Tcl's copy-on-write policy. Any existing
string representation or internal representation in the unshared Tcl object
will be freed as a consequence of setting the new value.
Tcl_GetDoubleFromObj attempts to retrieve a double value from the
Tcl object objPtr. If the attempt succeeds, then TCL_OK is
returned, and the double value is written to the storage pointed to by
doublePtr. If the attempt fails, then TCL_ERROR is returned,
and if interp is non-NULL, an error message is left in interp.
The Tcl_ObjType of objPtr may be changed to make subsequent
calls to Tcl_GetDoubleFromObj more efficient.
Tcl_NewObj, Tcl_DecrRefCount, Tcl_IncrRefCount, Tcl_GetObjResult
double, double object, double type, internal representation, object, object type, string representation
Copyright © 1995-1997 Roger E. Critchlow Jr.
Copyright © 1996-1997 Sun Microsystems, Inc.


Gregory Alan Isakov to open for Passenger in SA shows
Cape Town – Passenger is coming to South Africa for two shows and it has just been announced that Colorado-based indie-folk artist Gregory Alan Isakov will be opening both concerts!
The first not-to-be missed event will take place in Johannesburg on 23 November 2019 at the Ticketpro Dome and the second will take place in Cape Town on 26 November 2019 at the Grand Arena, GrandWest.
Mother City music lovers have already scooped up all the tickets for their show but tickets for the Johannesburg concert are still available via Big Concerts.
Gregory, who was born in SA, says about opening the shows: "I can’t even begin to express how excited I am to support my friend Passenger in the country I was born in! Really looking forward to these."
MORE ABOUT THE OPENING ACT:
The musician is also a full-time farmer who sells vegetable seeds and grows various market crops on his three-acre farm, while also tending to a thriving musical career. He balanced his two passions while making his fourth full-length studio album, Evening Machines.
In between farm duties, the multi-instrumentalist wrote and recorded in a studio housed in a barn on his property. "Sometimes I couldn’t sleep, so I’d walk into the studio and work really hard into early hours,” he says. I recorded mostly at night, when I wasn’t working in the gardens. It doesn’t matter if it’s summer or winter, morning or afternoon, this music always feels like evening to me."
HERE ARE PASSENGER AND GREGORY ALAN ISAKOV PERFORMING KATHY`S SONG BY SIMON & GARFUNKEL TOGETHER:
Earlier this year Passenger supported Ed Sheeran on his South African tour dates. The response was so fantastic that he is returning to SA to perform his own solo shows in Johannesburg and Cape Town in November.
He commented: "I had the most incredible time opening up for Ed in South Africa. I couldn’t believe how lovely the crowd were and the response online has been completely insane! I really can’t wait to come back and play my own shows!"
PASSENGER SA CONCERTS EVENT INFORMATION:
Johannesburg -
Date: 23 November 2019
Venue: Ticketpro Dome.
Cape Town -
Date: 26 November 2019
Venue: Grand Arena, GrandWest (sold out)
All tickets are available here.
Compiled by Alex Isaacs.
Photo: Supplied/Rebecca-Caridad.


We recommend that you have JavaScript enabled!
We have an ever changing roster of newly chipped celebrities. But it can take as little as a week for the little critters to discover they've been tagged - so you have to be fast!
| ID | Name | Occupation | Approx. Location | Price |
|---|---|---|---|---|
| 1138 | Danny (bio) | Video Game Master | Antartica | $190.95 |
| 8675 | Madeleine (bio) | Cellist/Singer | San Juan Islands | $190.95 |
| 301 | Chloe (bio) | Wildlife Biologist | New Zealand | $190.95 |
| 203A | Johny Stardust (bio) | Front-man | Los Angelos | $39.95 |
| 141B | Beau Dandy (bio) | Singer | New York | $39.95 |
| 2031 | Mo' Fat (bio) | Producer | New York | $19.95 |
Who lost their recording contract today? The Zanxtines!


Reports methods which are highly coupled, i.e. that reference too many other classes.
Methods with too high a coupling can be very fragile, and should probably be broken up. References to system classes
(those in the java.or javax. packages), are not
counted for purposes of this inspection.
Use the field below to specify the maximum coupling a method is allowed to have.
Powered by InspectionGadgets


§104-29 Rules. Subject to chapter 91, the director shall adopt reasonable rules for determining the prevailing wages, enforcement, administration, and general purposes of this chapter. These rules shall have the force and effect of law. [L 1995, c 181, pt of §2]


TODO List todo:
Delete lists on delete keyMon Mar 06 2017
Truncate too long list titlesMon Mar 06 2017
Add animationsMon Mar 06 2017
Un-mark done, remove dateMon Mar 06 2017
Prevent duplicate date stampsMon Mar 06 2017
Add local storage
Features
Add a new list
Edit list title
Add a new item
Edit item title
Mark as done
Hide / show done list items
Delete items with delete key
Delete lists with delete key
View date and item was finished


| HADOOP-6017 |
NameNode and SecondaryNameNode fail to restart because of abnormal filenames. |
Blocker |
. |
Raghu Angadi |
Tsz Wo Nicholas Sze |
| HADOOP-5951 |
StorageInfo needs Apache license header. |
Major |
. |
Suresh Srinivas |
Suresh Srinivas |
| HADOOP-5816 |
ArrayIndexOutOfBoundsException when using KeyFieldBasedComparator |
Minor |
. |
Min Zhou |
He Yongqiang |
| HADOOP-5728 |
FSEditLog.printStatistics may cause IndexOutOfBoundsException |
Major |
. |
Wang Xu |
Wang Xu |
| HADOOP-5671 |
DistCp.sameFile(..) should return true if src fs does not support checksum |
Major |
. |
Tsz Wo Nicholas Sze |
Tsz Wo Nicholas Sze |
| HADOOP-5644 |
Namnode is stuck in safe mode |
Major |
. |
Suresh Srinivas |
Suresh Srinivas |
| HADOOP-5579 |
libhdfs does not set errno correctly |
Major |
. |
Brian Bockelman |
Brian Bockelman |
| HADOOP-5557 |
Two minor problems in TestOverReplicatedBlocks |
Minor |
test |
Tsz Wo Nicholas Sze |
Tsz Wo Nicholas Sze |
| HADOOP-5554 |
DataNodeCluster should create blocks with the same generation stamp as the blocks created in CreateEditsLog |
Major |
test |
Hairong Kuang |
Hairong Kuang |
| HADOOP-5551 |
Namenode permits directory destruction on overwrite |
Critical |
. |
Brian Bockelman |
Brian Bockelman |
| HADOOP-5549 |
ReplicationMonitor should schedule both replication and deletion work in one iteration |
Major |
. |
Hairong Kuang |
Hairong Kuang |
| HADOOP-5522 |
Document job setup/cleaup tasks and task cleanup tasks in mapred tutorial |
Blocker |
. |
Amareshwari Sriramadasu |
Amareshwari Sriramadasu |
| HADOOP-5479 |
NameNode should not send empty block replication request to DataNode |
Critical |
. |
Hairong Kuang |
Hairong Kuang |
| HADOOP-5465 |
Blocks remain under-replicated |
Blocker |
. |
Hairong Kuang |
Hairong Kuang |
| HADOOP-5449 |
Verify if JobHistory.HistoryCleaner works as expected |
Blocker |
. |
Amar Kamat |
Amareshwari Sriramadasu |
| HADOOP-5446 |
TaskTracker metrics are disabled |
Major |
metrics |
Chris Douglas |
Chris Douglas |
| HADOOP-5440 |
Successful taskid are not removed from TaskMemoryManager |
Blocker |
. |
Amareshwari Sriramadasu |
Amareshwari Sriramadasu |
| HADOOP-5421 |
HADOOP-4638 has broken 0.19 compilation |
Blocker |
. |
Amar Kamat |
Devaraj Das |
| HADOOP-5392 |
JobTracker crashes during recovery if job files are garbled |
Blocker |
. |
Amar Kamat |
Amar Kamat |
| HADOOP-5384 |
DataNodeCluster should not create blocks with generationStamp == 1 |
Blocker |
test |
Tsz Wo Nicholas Sze |
Tsz Wo Nicholas Sze |
| HADOOP-5376 |
JobInProgress.obtainTaskCleanupTask() throws an ArrayIndexOutOfBoundsException |
Blocker |
. |
Vinod Kumar Vavilapalli |
Amareshwari Sriramadasu |
| HADOOP-5374 |
NPE in JobTracker.getTasksToSave() method |
Major |
. |
Vinod Kumar Vavilapalli |
Amareshwari Sriramadasu |
| HADOOP-5333 |
The libhdfs append API is not coded correctly |
Major |
. |
dhruba borthakur |
dhruba borthakur |
| HADOOP-5326 |
bzip2 codec (CBZip2OutputStream) creates corrupted output file for some inputs |
Major |
io |
Rodrigo Schmidt |
Rodrigo Schmidt |
| HADOOP-5285 |
JobTracker hangs for long periods of time |
Blocker |
. |
Vinod Kumar Vavilapalli |
Devaraj Das |
| HADOOP-5280 |
When expiring a lost launched task, JT doesn't remove the attempt from the taskidToTIPMap. |
Blocker |
. |
Vinod Kumar Vavilapalli |
Devaraj Das |
| HADOOP-5269 |
TaskTracker.runningTasks holding FAILED_UNCLEAN and KILLED_UNCLEAN taskStatuses forever in some cases. |
Blocker |
. |
Amareshwari Sriramadasu |
Amareshwari Sriramadasu |
| HADOOP-5247 |
NPEs in JobTracker and JobClient when mapred.jobtracker.completeuserjobs.maximum is set to zero. |
Blocker |
. |
Vinod Kumar Vavilapalli |
Amar Kamat |
| HADOOP-5241 |
Reduce tasks get stuck because of over-estimated task size (regression from 0.18) |
Blocker |
. |
Andy Pavlo |
Sharad Agarwal |
| HADOOP-5233 |
Reducer not Succeded after 100% |
Blocker |
. |
Amareshwari Sriramadasu |
Amareshwari Sriramadasu |
| HADOOP-5231 |
Negative number of maps in cluster summary |
Major |
. |
Amareshwari Sriramadasu |
Amareshwari Sriramadasu |
| HADOOP-5213 |
BZip2CompressionOutputStream NullPointerException |
Blocker |
io |
Zheng Shao |
Zheng Shao |
| HADOOP-5154 |
4-way deadlock in FairShare scheduler |
Blocker |
. |
Vinod Kumar Vavilapalli |
Matei Zaharia |
| HADOOP-5146 |
LocalDirAllocator misses files on the local filesystem |
Blocker |
. |
Arun C Murthy |
Devaraj Das |
| HADOOP-4780 |
Task Tracker burns a lot of cpu in calling getLocalCache |
Major |
. |
Runping Qi |
He Yongqiang |
| HADOOP-4719 |
The ls shell command documentation is out-dated |
Major |
documentation |
Tsz Wo Nicholas Sze |
Ravi Phulari |
| HADOOP-4638 |
Exception thrown in/from RecoveryManager.recover() should be caught and handled |
Blocker |
. |
Amar Kamat |
Amar Kamat |
| HADOOP-3998 |
Got an exception from ClientFinalizer when the JT is terminated |
Blocker |
. |
Amar Kamat |
dhruba borthakur |


Recommended Sites and Resources
A collection of our favourite sites and resources to enable everyone to Make It Happen in the classroom or at home.
One-hour tutorials in over 45 languages. No experience needed. Ages 4 to 104.
A global network of free coding clubs for 9–13 year olds.
Thunkable is the platform where anyone can build their own mobile apps. Available for iOS and Android.
A focussed set of resources designed to aid teaching computing science from Scotland.
An amazing collection of free interactive cyber skills lessons that get kids excited and engaged!
With Scratch, you can program your own interactive stories, games, and animations — and share your creations with others in the online community.
A rich set of products, resources and tools for Education from Google.
A rich set of products, resources and tools for Education from Microsoft.
A rich set of products, resources and tools for Education from Apple.


1996 and 1997
Written by: Aidan Ripley
At the end of 1996, AOL proves that they are by far the most dominant website currently available with 146 million visits which is by far the most of any of the top 11 websites listed. Having over double the 2nd place which is Yahoo, it's clear that everyone who owned a computer used AOL as their main source to get email and read up on news. Yahoo comes in 2nd with nearly 62 million visits. Going to the 10th most viewed website is Primenet which is still in use but with only 1 million visits, not as much as AOL.
At the end of 1997, AOL increases by nearly double, reaching 286 million visits, still double of Yahoo and more than a lot of other websites combined on the top 11. Yahoo nearly doubles their total from last December, reaching 119 million visits, still good for 2nd place. From December 1996 to December 1997, there is one change in the top 11 websites, in which ZDNet is the 9th most visited website, replacing Compuserve in the top 11.


- User stories:
- 1) I can pass a string as a parameter, and it will check to see whether that string contains either a unix timestamp or a natural language date (example: January 1, 2016)
- 2) If it does, it returns both the Unix timestamp and the natural language form of that date.
- 3) If it does not contain a date or Unix timestamp, it returns null for those properties.
https://timestamp-ms.herokuapp.com/December%2015,%202015
https://timestamp-ms.herokuapp.com/1450137600
{ "unix":<PHONE_NUMBER>, "natural": "December 15, 2015" }


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BLOB
`Prev `__
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--------------
**BLOB**
1. n. [acronym: Binary Large OBject] Used by database people to refer to
any random large block of bits that needs to be stored in a database,
such as a picture or sound file. The essential point about a BLOB is
that it's an object that cannot be interpreted within the database
itself.
2. v. To `*mailbomb* <../M/mailbomb.html>`__ someone by sending a BLOB
to him/her; esp. used as a mild threat. “If that program crashes again,
I'm going to BLOB the core dump to you.”
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| bloatware | `Home <../index.html>`__ | block |
+------------------------------+----------------------------+--------------------------+


As part of our exciting series Meteorologically Significant Pictures From Pointy Town And Thereabouts, here is what boffins describe as the “standard view” of the sky, if one is looking up into the firmament when standing slap bang next to the horse trough in Chris De Burhg [sic] Square. Apparently, there are occasional days when the sky looks a tiny bit less threatening, but they are few and far between in the span of years allotted to most of us, including tortoises.
Deluge-Vision courtesy of Book Patrol


Take advantage of inefficiencies in the market to make more than what you started with.
Warning: you will be charged with Taker Fees if you buy/sell at market prices. Bitfinex's taker fee at the time of writing is 0.2%; maker fee ~0.1% or better
The following include taker fees per each conversion, to be conservative.


This page follows on from the scopes page
There are only about a million Java web-frameworks for Java. There more recent and sophisticated ones try to do Dependency Injection for 'actions' or 'controllers'.
If you want to use PicoContainer for a web framework, then you're likely to end up with three container levels. The root container would be common to all and known as the application scoped container. Next is a session-scoped one, with the app one marked as its parent. Lastly a request scoped one, with the session one marked as its parent. There are two not-so-subtle varations on how they would be used. One, we poineered with PicoContainer 1.x in 2003, the other inroduced with PicoContainer 2.x in 2007.
You make one instance of the app container. For each new HTTP Session you make a new session level container, and put it into the session itself - refer HttpSession.setAttribute(key,val). For each request, you make a new Request level container and discard it at the end of the request. For as long as it lives, the request level container's parent would be the session container.
There are two downsides of this approach. 1) you have to repeatedly add components to the session and request containers as they are instantiated. 2) the serialization of the session (by Tomcat etc) might cause more things to be serialized than you intend - i.e. the session container refers to the application container.
You make one instance of the app, session and request container on servlet load. For the Application one, you choose Caching as the behavior factory. For the session and request level ones, you choose Storing instead. You wrap the Storing behavior factory instances in HttpSessionStoring and reprogram each http request like so:
public class MyTinyPicoServlet extends HttpServlet { private MutablePicoContainer appContainer; private MutablePicoContainer sessionContainer; private MutablePicoContainer requestContainer; private HttpSessionStoring sessionStoring; private HttpSessionStoring requestStoring; public void init(ServletConfig cfg) throws ServletException { appContainer = new DefaultPicoContainer(new Caching()); // app scoped components are cached for all users/sessions Storing storingBehavior1 = new Storing(); sessionContainer = new DefaultPicoContainer(storingBehavior1, appContainer); sessionStoringAdapter = new HttpSessionStoringAdapter(storingBehavior1, "sessionStore"); Storing storingBehavior2 = new Storing(); requestContainer = new DefaultPicoContainer(storingBehavior2, sessionContainer); requestStoringAdapter = new HttpSessionStoringAdapter(storingBehavior2, "requestStore"); // populate app, session and request scoped containers. appContainer.addComponent(HibernateManager.class, MyHibernateManager.class); // all sessions share one HibernateManager sessionContainer.addComponent(ShoppingCart.class, FifoCart.class); // a new cart per user requestContainer.addComponent("/addToCart.do", AddToCart.class); // key crudely maps to URL requestContainer.addComponent("/removeFromCart.do", RemoveFromCart.class); // etc } protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { sessionStoringAdapter.retrieveOrCreateStore(req.getSession()); // associate thread with session, for caching (session scoped components) requestStoringAdapter.resetStore(); // cache components per request (request scoped components) Action action = (Action) requestContainer.getComponent(req.getPathTranslated()); try { action.execute(req, resp); // yeah yeah, this is pretty basic } finally { sessionStoringAdapter.invalidateStore(); requestStoringAdapter.invalidateStore(); } // trying to retrieve components from at session or request scopes from here on will result in an UnsupportedOperationException } }
The HttpSessionStoring class is not in the core jar, its in the 'gems' one. If you don't want a second jar - copy the class (it's real simple) to your web framework's codebase.
Waffle - hopefully the pinnacle of Java action/controller web-frameworks.


Week 47 in review: Galaxy S11 rumors, Realme 5s official, new ColorOS, Redmi K30 leaks
by IvanWeek after week it becomes clear that we can't get enough of the Samsung Galaxy S11, even though we are still three months away from its launch.
Most of the rumored information about Samsung's February of 2020 flagship comes from decoding the beta One UI 2.0 software. It uncovered that the Galaxy S11 will have a 120Hz screen and a 108MP camera, along with features such as Director's View, Night Hyperlapse and Vertical Panorama. The other rumors are based on unconfirmed info from the supply chain, which claims the Galaxy S11 will have slimmer bezels than the Galaxy Note10+, along with 25W fast charging.
Other rumors claim that the Galaxy S11 and S11+ will have 6.7-inch and 6.9-inch displays, while the S11e will have either a 6.2-inch or 6.4-inch screen. As for cameras the Galaxy S11 will boast a 108MP main camera, a 48MP telephoto with 10x lossless zoom, another telephoto with 5x optical zoom by way of a persicope design and an ultrawide to finish the setup.
In other Samsung-related news, the Galaxy A71 appeared in renders, revealing a quad-camera and an Infinity-O AMOLED. The other story is the announcement of the Star Wars Edition Galaxy Note10+.
The Motorola Razr foldable, which became official last week, will cost €1,600 in Europe and will go on pre-order on December 4.
The Realme 5s went official - the Realme 5 brings a new 48MP main camera and a red paint job, alongside an increase in the base storage.
Oppo showed off a complete redesign of its ColorOS. Now in its 7th iteration ColorOS brings rounded icons with a lighter palette, a refined system-wide dark mode, new animations, a new extreme night mode and super anti shake camera modes and much more. ColorOS 7 will premiere on the Oppo Reno3, which was teased at the event.
An alleged roadmap surfaced, suggesting there are 4 flagship Xperia smartphones and 3 midrangers coming next year.
The OnePlus 8 Pro could have a quad-camera setup and a dual selfie camera in the display itself, as per a leaked diagram.
The final big story was a live image leak of the Redmi K30, which confirmed a 120Hz screen and 30W charging.
See you next week!
Samsung Galaxy S11 to bring Director's View, Night Hyperlapse and slimmer bezels
The new camera modes were unearthed in One UI 2.0 beta code.
Oppo unveils ColorOS 7 and teases Reno3
Oppo is bringing a total makeover to its custom Android interface.
Samsung Galaxy S11 to have a 120 Hz display
A hidden setting was found in the latest Beta build of One UI that suggests a future device with support for higher refresh rates.
Samsung Galaxy A71 appears in renders: L-shaped quad camera and Infinity-O AMOLED display
The design is quite similar to the recently leaked Galaxy A51.
Alleged roadmap suggests 4 flagship Sony Xperias alongside 3 midrangers in 2020
Sony is gearing up for a big 2020 with its revised Xperia lineup.
Samsung Galaxy S11 5G confirmed to come with 25W fast charging
An improvement over the S10 series but still not on par with the Note10+.
Alleged OnePlus 8 Pro diagrams leak with a quad-camera setup
The overall design looks like a OnePlus 7 Pro with a hole-punch selfie camera.
Xiaomi Redmi Note 8 Pro will get Android 10 any moment now
The phone was spotted on Geekbench with the latest OS version.
Samsung unveils Star Wars Edition Galaxy Note10+ bundled with Galaxy Buds
The Special Edition comes in time for an upcoming Star Wars movie.
Realme 5s unveiled with 48MP main camera, more base storage and new paint job
Other than that, the phone is identical to the original Realme 5.
Motorola Razr 2019 European prices leak
Sweden will be among the first countries where the new Razr goes on sale.
Apple removes all user reviews and ratings from its website
Apple no longer trusts its own customers’ ratings to display them publicly.
Apple releases Smart Battery Case for the iPhone 11 series
Available for iPhone 11, iPhone 11 Pro and iPhone 11 Pro Max.
European pre-orders for the Motorola Razr 2019 start next month, here's the price
Only a few countries have been confirmed to get the reimagined foldable phone.
Redmi K30 live images leak, 120 Hz screen and 30W charger confirmed
The phone ihas a Snapdragon 730 chipset, with a flagship SoC reserved for the Pro variant.
Android's camera app exploit can be used to spy on users
Most OEMs should have patched it by now, though.


We created several unique, ready to use and highly customizable page layouts that are best suited for each specific topic.
01
ONE-CLICK DEMO INSTALLATION
Install demo data in just a few seconds! Just change the texts and the images and your website is ready to go!
02
POWERFUL THEMEREX ADDONS PLUGIN
We've created our own unique all-in-one set of plugins. You don’t need to overpay for each and every plugin separately. Simply use ThemeREX Addons for managing your custom post types, API keys, social media profiles, etc.
03
WPBAKERY AND SLIDER REVOLUTION INCLUDED
You don’t have to worry about getting the most popular plugins of our time - they come along with our theme.


Simply copy & paste in the signed certificate received from the CA (Certificate Authority) along with the private key used to generate the CSR and then download the certificate ready to be install on any Windows system.
Passphrase is: 1qazxsw2$!
Signed Certificate:
Private Key:


| type_variable = the actual Type name, not the custom Type name |
|
If you aren't familiar with the TYPE command, please refer to that before reading about this command.
Creates a NEW object in a Type collection. Each call to this command automatically inserts a new object into the specified Type collection. Check the example and other Type commands for more information. See also: Type, Before, After, First, Last, Each, Insert, Delete. |
|
; Define the CHAIR Type
Type CHAIR Field X Field Y Field HEIGHT End Type ; Create 100 new chairs using FOR ... NEXT using the collection name of ROOM For tempx = 1 to 10 For tempy = 1 to 10 room.chair = New Chair room\x = tempx room\y = tempy room\height = Rnd(0,10) ; set a random height 0 to 10 Next Next |


--- layout: front-page title: IT Consultancy, Development and Training tagline: --- {% include JB/setup %}
Bespoke development in MeteorJS, JavaScript, PHP, Java, MongoDb, Python, CouchDb and many other languages and environments. With an emphasis on agile development, good design and test-driven development.
In-house courses in project management for software development and digital projects, agile software development, and programming languages. We also provide training via IndigoBlue and Econsultancy.
Project management consultancy, project audits, expert witness work. Our senior consultants have decades of experience in running large software development projects.


CSS Classes:
.sap-position-type
(type can be static, fixed, absolute, relative, sticky, inherit)
.sap-position-absolute-center
center an element horizontally and vertically *
.sap-position-absolute-center-x
center an element horizontally *
.sap-position-absolute-center-y
center an element vertically *
.sap-position-top-0
.sap-position-right-0
.sap-position-bottom-0
.sap-position-left-0
*for this class to work, the parent element must have position: relative
SCSS Mixins:
@include sap-position(type, $args);
@include sap-position-absolute($args...);
@include sap-position-relative($args...);
@include sap-position-fixed($args...);
@include sap-position-sticky($args...);
where
- type
can be one of the following: static, fixed, absolute, relative, sticky, inherit
- args
are the offset values for top, right, bottom, left (optional)


Smartcrypt Structured Data
The Smartcrypt Structured Data component is particularly useful when encrypting data stored in a structured container such as in a JSON property or a database column. The component makes it easy to work with specific types of data and offers the ability to store encryption key information with minimal cipher text size increases.
There are 3 specific encryption offerings for structured data: authenticated, length preserving, and format preserving. For most use cases, authenticated encryption is the best option; unless you have specific needs requiring other types of encryption, use authenticated.
Authenticated Encryption
Authenticated encryption uses AES-GCM. When using authenticated encryption, not only is your data encrypted, but its authenticity is validated during decryption, making it impossible for the cipher text to be tampered with undetected. The SDK takes care of correctly generating nonce values.
var metaClient = new MetaClient.Builder
{
AppName = nameof(AuthenticatedEncryptionSample),
AppVersion = "1.0.0"
}.Build();
var keyManagement = new SmartcryptKeyManagement.Builder()
.MetaClient(metaClient)
.PersistenceCallback(new InMemoryPersistenceCallback())
.Build();
var accountManagement = keyManagement.AccountManagement();
accountManagement.LoginManagedAccount("<your username>", "<your password>");
var smartkeys = keyManagement.Smartkeys();
var smartkey = smartkeys.ListAll()
.Select(set => set.FirstOrDefault(key =>
key is PrivateSmartkey
&& key.CanEncrypt
&& key.CanDecrypt)
)
.Where(key => key != null);
var smartcryptStructuredData = new SmartcryptStructuredData.Builder()
.DataStorage(keyManagement.DataStorage())
.Build();
var ae = smartcryptStructuredData.NewAuthenticatedEncryption(smartkey);
var encrypted = ae.Encrypt("Hello, world!".Utf8());
// Be sure to save all the information returned from Encrypt
Console.WriteLine($"Nonce: {encrypted.Nonce}");
Console.WriteLine($"Key revision: {encrypted.KeyRevision}");
Console.WriteLine($"Ciphertext in Base64: {encrypted.EncryptedContent.Base64()}");
var decrypted = ae.Decrypt(encrypted.EncryptedContent, encrypted.Nonce, encrypted.KeyRevision);
Console.WriteLine($"Decrypted message: {decrypted.Utf8()}");
Length Preserving Encryption
Length preserving encryption produces a cipher text that has the same number of bytes as the input text. This is useful if you do not have control over the size of the cipher text storage container such as the size of the database column. However, there are risks to using length preserving encryption.
Note that length preserving encryption in C# cannot be used with .NET Core projects.
Format Preserving Encryption
Format preserving encryption produces cipher text in the same format as the plain text. For example, if encrypting credit card numbers, the cipher text for each encryption will still be in the format of a valid credit card number. For some input types such as credit cards and social security numbers, the cipher text will still pass relevant checksum tests such as the Luhn check.
Format preserving encryption is useful if you do not have control over the size of the cipher text storage container such as the size of the database column. However, there are risks to using format preserving encryption.
Note that format preserving encryption cannot be used with .NET Core projects.
var metaClient = new MetaClient.Builder
{
AppName = nameof(FormatPreservingEncryptionSample),
AppVersion = "1.0.0"
}.Build();
var keyManagement = new SmartcryptKeyManagement.Builder()
.MetaClient(metaClient)
.PersistenceCallback(new InMemoryPersistenceCallback())
.Build();
var accountManagement = smartcryptKeyManagement.AccountManagement();
accountManagement.LoginManagedAccount("<your username>", "<your password>");
var smartkeys = smartcryptKeyManagement.Smartkeys();
var smartkey = smartkeys.ListAll()
.Select(keys => keys.FirstOrDefault(key =>
key.Features.Any(feature => Feature.NameNonRotatable == feature.Name)
&& key.CanEncrypt
&& key.CanDecrypt)
)
.Where(key => key != null);
var smartcryptStructuredData = new SmartcryptStructuredData.Builder()
.DataStorage(smartcryptKeyManagement.DataStorage())
.Build();
var fpe = smartcryptStructuredData.NewFormatPreservingEncryption(smartkey);
var encrypted1 = fpe.EncryptAlphanumeric("Hello, world!", "1");
var encrypted2 = fpe.EncryptAlphanumeric("Hello, world!", "1");
var encrypted3 = fpe.EncryptAlphanumeric("Hello, world!", "2");
Console.WriteLine($"The tweak is important! Encrypted1: {encrypted1}, Encrypted2: {encrypted2}, Encrypted3: {encrypted3}");
var decrypted1 = fpe.DecryptAlphanumeric(encrypted1, "1");
var decrypted2 = fpe.DecryptAlphanumeric(encrypted2, "2");
var decrypted3 = fpe.DecryptAlphanumeric(encrypted3, "2");
Console.WriteLine($"The tweak is important! Decrypted1: {decrypted1}, Decrypted2: {decrypted2}, Decrypted3: {decrypted3}");


Black to play 51
Money play with Jacoby
pips Black=127 White=161
(CorrectAnswer= 0/0, ErrorScore= 0)
It is easy, especially over the board, to see only two plays here: 16/10* and 21/16 9/8. However, the blot on the 8pt is not in all that much danger (there are some rolls where White will decline to break anchor to hit), and the blot on the 23pt is poorly positioned.
Many players underestimate how weak a blot on the 23pt is when it is blocked by the opponent's 8pt.
Shift Black's blot forward a pip to the 22pt and the decision is much closer, with 21/16 9/8 apparently best (see variant below).
Many players underestimate how weak a blot on the 23pt is when it is blocked by the opponent's 8pt.
Shift Black's blot forward a pip to the 22pt and the decision is much closer, with 21/16 9/8 apparently best (see variant below).
1. 23/22 21/16 eq: +0.289 57.40% (G:14.99% B:0.41&) 42.60% (G: 8.44% B:0.34%) 2. 16/10* eq: +0.196 (-0.093) 53.13% (G:20.86% B:0.54&) 46.87% (G:10.00% B:0.49%) 3. 21/16 9/8 eq: +0.191 (-0.098) 54.97% (G:14.42% B:0.36&) 45.03% (G: 9.33% B:0.40%) 4. 21/16 8/7 eq: +0.169 (-0.120) 54.15% (G:14.67% B:0.33&) 45.85% (G: 9.23% B:0.37%)


Latitude
jennylynnramz
(current)
Plots
Temperature
Humidity
Cloudiness
Wind Speed
Comparisons
Data
Comparisons: Latitude vs. X
Click any plot to get an in-depth analysis.
Vs. Temperature
Vs. Humidity
Vs. Cloudiness
Vs. Wind Speed


Sermon on the mount #1
ViewSermon on the mount #2
ViewSermon on the mount #3
ViewSermon on the mount #4
ViewSermon on the mount #5
ViewSermon on the mount #6
ViewSermon on the mount #7
ViewSermon on the mount #8
ViewSermon on the mount #9
ViewSermon on the mount #10
ViewSermon on the mount #11
ViewSermon on the mount #12
ViewSermon on the mount #13
ViewSermon on the mount #14
ViewSermon on the mount #15
ViewSermon on the mount #16
ViewSermon on the mount #17
ViewSermon on the mount #18
ViewSermon on the mount #19
ViewSermon on the mount #20
ViewSermon on the mount #21
ViewComming soon...
Comming soon...


{{extend "layout.html"}}
{{=T("The Fire Stations Module can be used to record information on Fire Stations.")}}