| I l@ve RuBoard |
Our next stop on the built-in object tour is the Python list. Lists are Python's most flexible ordered collection object type. Unlike strings, lists can contain any sort of object: numbers, strings, even other lists. Python lists do the work of most of the collection data structures you might have to implement manually in lower-level languages such as C. In terms of some of their main properties, Python lists are:
From a functional view, lists are just a place to collect other objects, so you can treat them as a group. Lists also define a left-to-right positional ordering of the items in the list.
Just as with strings, you can fetch a component object out of a list by indexing the list on the object's offset. Since lists are ordered, you can also do such tasks as slicing and concatenation.
Unlike strings, lists can grow and shrink in place (they're variable length), and may contain any sort of object, not just one-character strings (they're heterogeneous). Because lists can contain other complex objects, lists also support arbitrary nesting; you can create lists of lists of lists, and so on.
In terms of our type category qualifiers, lists can be both changed in place (they're mutable) and respond to all the sequence operations we saw in action on strings in the last section. In fact, sequence operations work the same on lists, so we won't have much to say about them here. On the other hand, because lists are mutable, they also support other operations strings don't, such as deletion, index assignment, and methods.
Technically, Python lists contain zero or more references to other objects. If you've used a language such as C, lists might remind you of arrays of pointers. Fetching an item from a Python list is about as fast as indexing a C array; in fact, lists really are C arrays inside the Python interpreter. Moreover, references are something like pointers (addresses) in a language such as C, except that you never process a reference by itself; Python always follows a reference to an object whenever the reference is used, so your program only deals with objects. Whenever you stuff an object into a data structure or variable name, Python always stores a reference to the object, not a copy of it (unless you request a copy explicitly).
Table 2.7 summarizes common list object operations.
Lists are written as a series of objects (really, expressions that return objects) in square brackets, separated by commas. Nested lists are coded as a nested square-bracketed series, and the empty list is just a square-bracket set with nothing inside.[8]
[8] But we should note that in practice, you won't see many lists written out like this in list-processing programs. It's more common to see code that processes lists constructed dynamically (at runtime). In fact, although constant syntax is important to master, most data structures in Python are built by running program code at runtime.
Most of the operations in Table 2.7 should look familiar, since they are the same sequence operations we put to work on strings earlier—indexing, concatenation, iteration, and so on. The last few table entries are new; lists also respond to method calls (which provide utilities such as sorting, reversing, adding items on the end, etc.), as well as in-place change operations (deleting items, assignment to indexes and slices, and so forth). Remember, lists get these last two operation sets because they are a mutable object type.
Perhaps the best way to understand lists is to see them at work. Let's once again turn to some simple interpreter interactions to illustrate the operations in Table 2.7.
Lists respond to the + and * operators as with strings; they mean concatenation and repetition here too, except that the result is a new list, not a string. And as Forrest Gump was quick to say, "that's all we have to say about that"; grouping types into categories is intellectually frugal (and makes life easy for authors like us).
% python >>> len([1, 2, 3]) # length 3 >>> [1, 2, 3] + [4, 5, 6] # concatenation [1, 2, 3, 4, 5, 6] >>> ['Ni!'] * 4 # repetition ['Ni!', 'Ni!', 'Ni!', 'Ni!'] >>> for x in [1, 2, 3]: print x, # iteration ... 1 2 3
We talk about iteration (as well as range built-ins) in Chapter 3. One exception worth noting here: + expects the same sort of sequence on both sides, otherwise you get a type error when the code runs. For instance, you can't concatenate a list and a string, unless you first convert the list to a string using backquotes or % formatting (we met these in the last section). You could also convert the string to a list; the list built-in function does the trick:
>>> `[1, 2]` + "34" # same as "[1, 2]" + "34" '[1, 2]34' >>> [1, 2] + list("34") # same as [1, 2] + ["3", "4"] [1, 2, '3', '4']
Because lists are sequences, indexing and slicing work the same here too, but the result of indexing a list is whatever type of object lives at the offset you specify, and slicing a list always returns a new list:
>>> L = ['spam', 'Spam', 'SPAM!'] >>> L[2] # offsets start at zero 'SPAM!' >>> L[-2] # negative: count from the right 'Spam' >>> L[1:] # slicing fetches sections ['Spam', 'SPAM!']
Finally something new: because lists are mutable, they support operations that change a list object in-place; that is, the operations in this section all modify the list object directly, without forcing you to make a new copy as you had to for strings. But since Python only deals in object references, the distinction between in-place changes and new objects can matter; if you change an object in place, you might impact more than one reference to it at once. More on that later in this chapter.
When using a list, you can change its contents by assigning to a particular item (offset), or an entire section (slice):
>>> L = ['spam', 'Spam', 'SPAM!'] >>> L[1] = 'eggs' # index assignment >>> L ['spam', 'eggs', 'SPAM!'] >>> L[0:2] = ['eat', 'more'] # slice assignment: delete+insert >>> L # replaces items 0,1 ['eat', 'more', 'SPAM!']
Index assignment works much as it does in C: Python replaces the object reference at the designated slot with a new one. Slice assignment is best thought of as two steps: Python first deletes the slice you specify on the left of the =, and then inserts (splices) the new items into the list at the place where the old slice was deleted. In fact, the number of items inserted doesn't have to match the number of items deleted; for instance, given a list L that has the value [1, 2, 3], the assignment L[1:2] = [4, 5] sets L to the list [1, 4, 5, 3]. Python first deletes the 2 (a one-item slice), then inserts items 4 and 5 where 2 used to be. Python list objects also support method calls:
>>> L.append('please') # append method call >>> L ['eat', 'more', 'SPAM!', 'please'] >>> L.sort() # sort list items ('S' < 'e') >>> L ['SPAM!', 'eat', 'more', 'please']
Methods are like functions, except that they are associated with a particular object. The syntax used to call methods is similar too (they're followed by arguments in parentheses), but you qualify the method name with the list object to get to it. Qualification is coded as a period followed by the name of the method you want; it tells Python to look up the name in the object's namespace—set of qualifiable names. Technically, names such as append and sort are called attributes—names associated with objects. We'll see lots of objects that export attributes later in the book.
The list append method simply tacks a single item (object reference) to the end of the list. Unlike concatenation, append expects us to pass in a single object, not a list. The effect of L.append(X) is similar to L+[X], but the former changes L in place, and the latter makes a new list.[9] The sort method orders a list in-place; by default, it uses Python standard comparison tests (here, string comparisons; you can also pass in a comparison function of your own, but we'll ignore this option here).
[9] Also unlike + concatenation, append doesn't have to generate new objects, and so is usually much faster. On the other hand, you can mimic append with clever slice assignments: L[len(L):]=[X] is like L.append(X), and L[:0]=[X] is like appending at the front of a list. Both delete an empty slice and insert X, changing L in place quickly like append. C programmers might be interested to know that Python lists are implemented as single heap blocks (rather than a linked list), and append is really a call to realloc behind the scenes. Provided your heap manager is smart enough to avoid copying and re-mallocing, append can be very fast. Concatenation, on the other hand, must always create new list objects and copy the items in both operands.
Finally, because lists are mutable, you can also use the del statement to delete an item or section. Since slice assignment is a deletion plus an insert, you can also delete sections of lists by assigning an empty list to a slice (L[i:j] = []); Python deletes the slice named on the left and then inserts nothing. Assigning an empty list to an index, on the other hand, just stores a reference to the empty list in the specified slot: L[0] = [] sets the first item of L to the object [], rather than deleting it (L winds up looking like [[],...]):
>>> L ['SPAM!', 'eat', 'more', 'please'] >>> del L[0] # delete one item >>> L ['eat', 'more', 'please'] >>> del L[1:] # delete an entire section >>> L # same as L[1:] = [] ['eat']
Here are a few pointers before moving on. Although all the operations above are typical, there are additional list methods and operations we won't illustrate here (including methods for reversing and searching). You should always consult Python's manuals or the Python Pocket Reference for a comprehensive and up-to-date list of type tools. Even if this book was complete, it probably couldn't be up to date (new tools may be added any time). We'd also like to remind you one more time that all the in-place change operations above work only for mutable objects: they won't work on strings (or tuples, discussed ahead), no matter how hard you try.
| I l@ve RuBoard |


Preface
Basic Techniques for Comparisons and Permutations (Perm)
Insertion Sort (Sort)
Insertion Sort Verified With Multisets (Multiset)
Insertion Sort With Bags (BagPerm)
Selection Sort (Selection)
Merge Sort, With Specification and Proof of Correctness (Merge)
Total and Partial Maps (Maps)
Binary Search Trees (SearchTree)
- BST Implementation
- BST Invariant
- Correctness of BST Operations
- BSTs vs. Higher-order Functions (Optional)
- Converting a BST to a List
- A Faster elements Implementation
- An Algebraic Specification of elements
- Model-based Specifications
- An Alternative Abstraction Relation (Optional, Advanced)
- Efficiency of Search Trees
Abstract Data Types (ADT)
- The Table ADT
- Implementing Table with Functions
- Implementing Table with Lists
- Implementing Table with BSTs
- Tables with an elements Operation
- Encapsulation with the Coq Module System (Advanced)
- Model-based Specification
- Summary of ADT Verification
- Another ADT: Queue
- Representation Invariants and Subset Types


- add(Quadruple) - Method in class com.mvohm.quadruple.Quadruple
-
Adds the value of the given Quadruple
summand to the value of this Quadruple.
- add(long) - Method in class com.mvohm.quadruple.Quadruple
-
Adds the value of the given long
summand to the value of this Quadruple.
- add(double) - Method in class com.mvohm.quadruple.Quadruple
-
Adds the value of the given double
summand to the value of this Quadruple.
- add(Quadruple, Quadruple) - Static method in class com.mvohm.quadruple.Quadruple
-
Adds the value of the given Quadruple op2
to the value of Quadruple op1
and creates a new instance of Quadruple containing the sum.
- add(Quadruple, long) - Static method in class com.mvohm.quadruple.Quadruple
-
Adds the value of the given long op2
to the value of Quadruple op1
and creates a new instance of Quadruple containing the sum.
- add(Quadruple, double) - Static method in class com.mvohm.quadruple.Quadruple
-
Adds the value of the given double op2
to the value of Quadruple op1
and creates a new instance of Quadruple containing the sum.
- assign(Quadruple) - Method in class com.mvohm.quadruple.Quadruple
-
Assigns the given value to the instance (copies the values of the private fields of the parameter
to the respective fields of this instance).
- assign(double) - Method in class com.mvohm.quadruple.Quadruple
-
Converts the given value to quadruple and assigns it to the instance.
- assign(long) - Method in class com.mvohm.quadruple.Quadruple
-
Converts the given value to quadruple and assigns it to the instance.
- assign(String) - Method in class com.mvohm.quadruple.Quadruple
-
Parses the given String that is expected to contain
floating-point value in any conventional string form or a string designation of one of a special values.
- assign(BigDecimal) - Method in class com.mvohm.quadruple.Quadruple
-
Converts the given value to Quadruple
, and assigns it to the instance.
- assign(boolean, int, long, long) - Method in class com.mvohm.quadruple.Quadruple
-
Builds a Quadruple value from the given low-level parts and assigns it to the instance.
- assign(int, long, long) - Method in class com.mvohm.quadruple.Quadruple
-
Builds a non-negative Quadruple value from the given low-level parts and assigns it to the instance.
- assign(long[]) - Method in class com.mvohm.quadruple.Quadruple
-
Builds a Quadruple from the low-level parts given as an array of long
.}
- assignNaN() - Method in class com.mvohm.quadruple.Quadruple
-
Assigns the value of "Not a Number" (NaN
) to this instance.
- assignNegativeInfinity() - Method in class com.mvohm.quadruple.Quadruple
-
Assigns the value of -Infinity
to this instance.
- assignPositiveInfinity() - Method in class com.mvohm.quadruple.Quadruple
-
Assigns the value of +Infinity
to this instance.
- assignWithUnbiasedExponent(boolean, int, long, long) - Method in class com.mvohm.quadruple.Quadruple
-
Builds a Quadruple value from the given low-level parts and assigns it to the instance.
- assignWithUnbiasedExponent(int, long, long) - Method in class com.mvohm.quadruple.Quadruple
-
Builds a non-negative Quadruple value from the given low-level parts and assigns it to the instance.


Handcrafted, home-made masterpieces
With supporting text below as a natural lead-in to additional content.


Standalone Remerge Demo (with jQuery)
This example demonstrates how Remerge can be used in a standalone manner as a way to store and manipulate state. No React or Redux here, ladies and gentlemen.
As a way to demonstrate two things at once, I've written it so that adding todos is handled by a user-defined reducer, while deleting todos is handled by Remerge's built-in arrayRemoveReducer
. This is purely meant as a showcase.


Parsing Pixel Data¶
Implementation¶
As mentioned in Challenge, we will produce a PGM image to visualize our parsed pixels. We extend our tool we made in the previous
Implementation by adding a new optional command-line argument, --pgm-outdir
. If the user specifies this, we convert the specified bitmap image into a PGM
image. Otherwise, we print the file metadata as we did previously. Below we show the changes to main()
interleaved with our previous code.
import os
# ...
def main():
parser = argparse.ArgumentParser(
description="Limited-functionality bitmap parser")
parser.add_argument("image", help="An image file pathname")
parser.add_argument("--pgm-outdir",
help="A path to a directory to write a PGM output file into")
args = parser.parse_args()
with open(args.image, "rb") as f:
data = f.read()
image = BitmapV4(data)
if args.pgm_outdir:
os.makedirs(args.pgm_outdir, exist_ok=True)
with open(os.path.join(args.pgm_outdir, "image.pgm"), "w") as f:
f.write(image.as_pgm())
else:
print(image)
BitmapV4.as_pgm
is straightforward, the only trick here being that we iterate over the number of rows (the height) in reverse if the height is positive.
class BitmapV4:
def __init__(self, data):
# ...
self.pixels = list(data[self.file_header.pixel_data_offset_bytes:])
def as_pgm(self):
"""
Return an ASCII string encoding this iamge as a PGM.
"""
width = self.info_header.width_px
height = self.info_header.height_px
pgm = "P2\n"
pgm += f"{width} {height}\n"
pgm += f"{self.info_header.num_colors_required - 1}\n"
# If the pixel array is stored bottom-up, we reverse its rows.
height_iter = reversed(range(height)) if height > 0 else range(height)
for h in height_iter:
for pixel in range(h * width, h * width + width):
pgm += f"{self.pixels[pixel]}\n"
return pgm
We can view our new image to confirm that we converted the grayscale bitmap V4 to a PGM correctly.
$ ./bp.py --pgm-outdir /tmp test/data/2021-02-22-tokyo-skytree-grayscale.bmp
# `eog` means Eye of Gnome and is the default image viewer in Ubuntu.
$ eog /tmp/image.pgm


Copyright © 2020, Oracle and/or its affiliates. All rights reserved. The Universal Permissive License (UPL), Version 1.0
The Data Warehouse and ETL Offload Code Samples support data warehousing and ETL offload solution patterns on Oracle Cloud and on Oracle Cloud at Customer. This addendum describes how to use the code samples described in the primary README.MD file in a Cloud at Customer environment.
You should be familiar with provisioning and using the recommended services and technologies:
Use the information in the primary README.MD file to understand and install the necessary sample files..
<EMAIL_ADDRESS>contains artifacts that demonstrate Oracle Data Integrator performing ETL Offload in an Oracle Big Data Cloud at Customer (Cloudera) environment. SQOOP or Apache Spark use the artifacts to load the sample source file data set into the Cloudera Cluster and then Oracle Data Integrator executes Apache Spark workloads to generate the SALES_ANALYSIS data set.
To configure and execute the Oracle Data Integrator jobs:
Create a directory in your cluster's local file system:
Mkdir /tmp/sourcefiles
Copy the file<EMAIL_ADDRESS>to your Oracle Data Integrator agent node in your cluster.
Copy the sample source files ORDERS_FILE.csv
, SRC_PRODUCT.csv
and CUSTOMER_SRC_FILE.csv
to the directory you just created.
Run Oracle Data Integrator Studio.
Smart Import the Oracle Data Integrator project into you environment.
Configure your topology connections. See the solution documentation.
Edit the ORCL_SRC
connection to point to an Oracle database. The ingestion mappings pull from an Oracle database to demonstrate how to leverage either SQOOP or Apache Spark to ingest data to your cluster.
Configure your Apache Hadoop credential store for the ORCL_SRC connection if you plan on using Apache Spark to ingest the data. See the solution documentation.
Review the Oracle Data Integrator project.
Create Oracle Source Objects.
The PKG Create Oracle Objects and Load Data will create tables in your source Oracle database and load the sample source files to that database.
Ingest Data to Oracle Big Data Cloud HDFS/SQOOP and Apache Spark.
The PKG Ingest Data to Hive leverages Oracle Data Integrator mappings to import data into your Oracle Big Data Cloud cluster leveraging SQOOP.
Open one of the mappings and navigate to the physical tab. Note that there are physical designs for both SQOOP and Apache Spark ingestion. Either can be leveraged to move data into the cluster.
ETL Offload – Apache Spark.
The Mapping MAP Apache Spark ETL Offload… demonstrates how to create a mapping in Oracle Data Integrator that leverages Apache Spark to perform ETL offload to the cluster and create a SALES_ANALYSIS data set.
Execute the packages / mappings listed above to


Hello World!
This is my first website
What will this do?
Will this be smaller?
How about this? Cool!
Here we go. Content! I fixed it, that's fun.
Mary's Notes:


--- layout: post-haha title: Announcing our new website! permalink: new-website comments: false category: haha ---
Hack Harris is excited to announce the launch of its new website, featuring information about the organization (finally!), recommended resources on data science and public policy, pictures of cute animals, and a beautiful new blog. Check it out here!
For immediate release. Press inquiries, etc.:
Hack Harris
1155 E 60th St
Chicago, IL 60637


|
AD525x
0.5
Library for I2C communication with AD5253 and AD5254 digital potentiometers using an Arduino.
|
Macros | |
| #define | EC_NO_ERR 0 |
| #define | EC_DATA_LONG 1 |
| #define | EC_NACK_ADDR 2 |
| #define | EC_NACK_DATA 3 |
| #define | EC_I2C_OTHER 4 |
| #define | EC_BAD_REGISTER 5 |
| #define | EC_BAD_WIPER_SETTING 6 |
| #define | EC_BAD_READ_SIZE 7 |
| #define | EC_BAD_DEVICE_ADDR 8 |
| #define | EC_NOT_IMPLEMENTED 9 |
| #define | EC_NOT_INITIALIZED 10 |
| #define EC_BAD_DEVICE_ADDR 8 |
Bad device address - device address must be in [0, 3].
Definition at line 19 of file AD525x_Errors.h.
| #define EC_BAD_READ_SIZE 7 |
Invalid number of bytes read from register.
Definition at line 18 of file AD525x_Errors.h.
| #define EC_BAD_REGISTER 5 |
Invalid register passed to function.
Definition at line 16 of file AD525x_Errors.h.
| #define EC_BAD_WIPER_SETTING 6 |
Invalid wiper setting selected.
Definition at line 17 of file AD525x_Errors.h.
| #define EC_DATA_LONG 1 |
Data too long to fit in transmit buffer.
Definition at line 12 of file AD525x_Errors.h.
| #define EC_I2C_OTHER 4 |
Other I2C error.
Definition at line 15 of file AD525x_Errors.h.
| #define EC_NACK_ADDR 2 |
Received NACK on transmit of address.
Definition at line 13 of file AD525x_Errors.h.
| #define EC_NACK_DATA 3 |
Received NACK on transmit of data.
Definition at line 14 of file AD525x_Errors.h.
| #define EC_NO_ERR 0 |
No error.
Definition at line 11 of file AD525x_Errors.h.
| #define EC_NOT_IMPLEMENTED 9 |
Function not implemented on interface.
Definition at line 20 of file AD525x_Errors.h.
| #define EC_NOT_INITIALIZED 10 |
Communication has not been initialized.
Definition at line 21 of file AD525x_Errors.h.


{% extends "plugin.html" %} {% block body %}
This is a list of all tags that Lektor plugins have. Click on individual tags to see which plugins use that tag.


Tyson Fury to replace Dillian Whyte as Deontay Wilder's 2020 mandatory challenger
Whyte is currently under investigation by UK Anti-Doping due to an adverse finding in a drug sample
by Darren Wells, https://www.mirror.co.uk/authors/darren-wells/Tyson Fury is set to replace Dillian Whyte as the mandatory challenger to Deontay Wilder's WBC heavyweight title.
Whyte beat Oscar Rivas back in July to become WBC 'interim' champion and earn the opportunity to contest Wilder for his belt next year.
But president of the WBC, Mauricio Sulaiman, confirmed this week that Whyte's mandatory status has been suspended.
UK Anti-Doping (UKAD) are currently investigating an adverse finding in a drug sample provided by Whyte, which was revealed shortly after his unanimous points decision over Rivas.
The 31-year-old has not been banned from boxing, but his bout with Wilder will not be sanctioned until he is cleared of any wrongdoing by UKAD.
The WBC has now installed Fury as mandatory challenger instead, with Whyte's shot at the belt put back to 2021.
Sulaiman told Boxing Social : "Dillian Whyte is in a process from an adverse finding from UKAD. It is highly confidential and highly legal.
"We have met with Dillian Whyte, his representatives, we are doing an ongoing investigation, so the fight of Fury against Wilder in February [2020] will be the mandatory of that year.
"We have set the next mandatory for February 2021. If Dillian Whyte is cleared of everything and of the process, he's confirmed as 'interim' champion and mandatory challenger.
"He [would get] that secured February 2021 championship fight against the champion, whoever it is…
"Dillian is not available at this moment. He's not suspended, but there's an enquiry, something that is being investigated.
"His right that he earned as mandatory and 'interim' champion right now is suspended until everything is cleared."
It was likely that Fury would have fought Wilder before the mandatory challenge of Whyte anyway, with the Gypsy King already revealing plans for their February bout.
For Whyte it is another setback in hiis quest for a world title shot, despite him having lost just once in 27 fights (to Anthony Joshua) and being ranked at no.7 in the overall list of global heavyweights.
He said back in July after revelations of the 'adverse finding' emerged: "I am so disappointed with the rubbish that has been said about me over the last few days.
"I have lawyers dealing with it and I have been told that I can't talk about it for good legal reasons.
"I was cleared to fight and I won that fight fair and square."


[gecode-users] Compile Gecode with visual C++
Guido Tack
tack at ps.uni-sb.de
Fri Oct 24 14:19:56 CEST 2008
Sébastien Laigre wrote:
> I do not understand well what I have to install to compile with
> visual C++ 2008. I think no, but to be sure : Do I need cygwin ?
Yes, you need cygwin for make, perl and some other tools. You don't
need cygwin if you use the precompiled binary version of Gecode, though.
> Do I have QT installed or is it only for gist ? Is gist essential ?
QT is only needed for Gist, and Gist is not essential.
Cheers,
Guido
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More information about the gecode-users
mailing list


{% extends "layout.html" %} {% block pageTitle %} Order a certified document {% endblock %} {% block beforeContent %} {{ govukBackLink({ text: "Back", href: "/company/" + companyNumber + "/more" }) }} {% endblock %} {% block content %}
Use this service to order a certified copy of a document in a company's filing history.
You'll need:
Orders for incorporation documents consist of only the memorandum and articles. If these are not available, we will include the IN01 or an equivalent document instead.
You cannot use this service to order:
Ordering a certified document takes around 5 minutes.
{{ govukButton({ text: "Start now", href: startNowUrl, classes: "govuk-!-margin-top-2 govuk-!-margin-bottom-8", isStartButton: true, attributes: { "data-event-id": "start-now-button", onclick: "_paq.push(['trackGoal'," + CERTIFIED_COPIES_PIWIK_START_GOAL_ID + "]);" } }) }}It costs £15 for a certified document with standard delivery. Incorporation orders cost £30, and include two documents (the memorandum and articles).
The order can be sent to a UK or international address. We will aim to dispatch the order within {{ dispatchDays }} working days.
You cannot pay using a Companies House account.


Blends
Working with plastic yourself allows you to mix different materials and create new textures
This is just a tiny fraction of what’s possible
Working with plastic yourself allows you to mix different materials and create new textures
Blend colors together, make weird patterns, or keep it plain and simple.
The machines work well for small productions. Create a solid mold and start making!
Next to creating products you can also create raw materials. Sell your materials to other makers who create wonderful things with it.
You can make the molds yourself with basic welding tools, or more advanced CNC milling.
We've created simple video tutorials to allow anyone to build the machines and start recycling plastic waste.
start now


This page views and modifies the Label for a Solid resource by using query-ldflex to read and write the label, and by using WebSocket to listen to changes to the resource.
Clicking the Add Label
button will write the value of
Next Label
to the resource, and will add an 'X' to
Next Label
to provide a unique label for subsequent
Add Label
clicks.


We redefine users!
- implement customized e-markets
- architect innovative relationships
- visualize killer e-services
- facilitate out-of-the-box markets
- orchestrate sexy systems
- productize sexy vortals
- innovate cross-media systems
- transform wireless e-business
- envisioneer cross-media e-markets
- embrace best-of-breed e-tailers
- synthesize sticky content
- unleash frictionless networks
- enable viral systems
- optimize bricks-and-clicks e-tailers
- whiteboard clicks-and-mortar metrics


PROJECT TITLE: {{this.projectTitle}}
LOCATION: {{this.location}}
BLOCK NAME: {{this.blockName}}
DROP NAME: {{this.dropName}}
{{this.name}}


Hi, my name is Sandro, I'm from Brazil and worked as a Graphic Design there for the better part of the last decade. I'm currently studying Interactive Media Design at FANSHAWE COLLEGE.
My full name is Truong Quang Vinh, you can call me Robert
I'm from Ho Chi Minh City, Vietnam.I'm a Vietnamese. I'm curently a student at Fanshawe, i just arrived Canada for 1 month
I'm a Christian.DEUS VULT!!!!!!!!!!!
I really like watching and playing soccer, playing game and doing some research about history


|
cds
2.3.1
|
Monitor that injects the lock into each node More...
#include <cds/sync/injecting_monitor.h>
Data Structures | |
| struct | node_injection |
| Node injection. More... | |
Public Types | |
| typedef Lock | lock_type |
| Lock type. | |
| template<typename Node > | |
| using | scoped_lock = monitor_scoped_lock< injecting_monitor, Node > |
| Scoped lock. | |
Public Member Functions | |
| template<typename Node > | |
| void | lock (Node const &p) const |
Makes exclusive access to node p . | |
| template<typename Node > | |
| void | unlock (Node const &p) const |
Unlocks the node p . | |
Monitor that injects the lock into each node
This simple monitor injects the lock object of type Lock
into each node. The monitor is designed for user-space locking primitives like spin-lock.
Template arguments:
std::mutex
or cds::sync::spin


prtEvalAuc Returns the area under the receiver operating curve.
auc = prtEvalAuc(CLASSIFIER, DATASET) returns the area under the
receiver operating curve. DATASET must be a labeled, binary
prtDataSetStandard object. CLASSIFIER must be a prtClass object.
auc = prtScoreAuc(CLASSIFIER, DATASET, NFOLDS) returns the area
under the receiver operating curve with K-fold cross-validation.
DATASET must be a labeled, binary prtDataSetStandard object. CLASSIFIER
must be a prtClass object. NFOLDS is the number of folds in the K-fold
cross-validation.
Example:
dataSet = prtDataGenSpiral;
classifier = prtClassDlrt;
auc = prtEvalAuc(classifier, dataSet)


Hey, My name is Pramesha Biswas. I am Computer Science Engineer. I am working in a well know MNC from the past 3+ years as a Associate Consultant. I am a CSS Enthusiast.
In my 10th, i first learned what is HTML and made my first website. Then in 12th, i learned C++ and was mesmerized with this world of programming. I was always enthusiastic to learn new programming languages. After completing my college i got placed in an MNC and was trained in .Net. But after learning so many languages and investing so many years i realized that i have different passion for HTML and CSS.
During the lockdown everyone was doing something new around me and I entered the world of Twitter and found so many people who were taking this #100daysofcode. This motivated me to start with my passion.
I took #dailycssimages challenge and i learned soo much that i decided to give a shot to #100daysofcode challenge. And during this period it was clear that Front-end Web Developer and Desinger are the fields i wanna explore and master.
Below are my skills. Currently I'm Mastering JS and learning React.


- Source:
Classes
Members
(static) swappedOp_
for reversed comparison: Gt -> Lt, etc.
- Source:
Methods
(static) apply()
Wrap Sk.misceval.applyOrSuspend, but throw an error if we suspend
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(static) applyOrSuspend()
same as Sk.misceval.call except args is an actual array, rather than varargs.
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(static) applySlice()
return u[v:w]
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(static) arrayFromArguments()
Used by min() and max() to get an array from arbitrary input. Note that this does no validation, just coercion.
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(static) assignSlice()
u[v:w] = x
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(static) asyncToPromise()
Wraps anything that can return an Sk.misceval.Suspension, and returns a JS Promise with the result. Also takes an object map of suspension handlers: pass in {"suspType": function (susp) {} }, and your function will be called with the Suspension object if susp.type=="suspType". The type "*" will match all otherwise unhandled suspensions.
A suspension handler should return a Promise yielding the return value of r.resume() - ie, either the final return value of this call or another Suspension. That is, the null suspension handler is:
function handler(susp) {
return new Promise(function(resolve, reject) {
try {
resolve(susp.resume());
} catch(e) {
reject(e);
}
});
}
Alternatively, a handler can return null to perform the default action for that suspension type.
(Note: do not call asyncToPromise() in a suspension handler; this will create a new Promise object for each such suspension that occurs)
asyncToPromise() returns a Promise that will be resolved with the final return value, or rejected with an exception if one is thrown.
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(static) buildClass()
Constructs a class object given a code object representing the body of the class, the name of the class, and the list of bases.
There are no "old-style" classes in Skulpt, so use the user-specified metaclass (todo;) if there is one, the type of the 0th base class if there's bases, or otherwise the 'type' type.
The func code object is passed a (js) dict for its locals which it stores everything into.
The metaclass is then called as metaclass(name, bases, locals) and should return a newly constructed class object.
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(static) call(func, kwdictopt, varargseqopt, kwsopt, …args)
Notes on necessity for 'call()':
Classes are callable in python to create an instance of the class. If we're calling "C()" we cannot tell at the call site whether we're calling a standard function, or instantiating a class.
JS does not support user-level callables. So, we can't use the normal prototype hierarchy to make the class inherit from a 'class' type where the various tp$getattr, etc. methods would live.
Instead, we must copy all the methods from the prototype of our class type onto every instance of the class constructor function object. That way, both "C()" and "C.tp$getattr(...)" can still work. This is of course quite expensive.
The alternative would be to indirect all calls (whether classes or regular functions) through something like C.$call(...). In the case of class construction, $call could then call the constructor after munging arguments to pass them on. This would impose a penalty on regular function calls unfortunately, as they would have to do the same thing.
Note that the same problem exists for function objects too (a "def" creates a function object that also has properties). It just happens that attributes on classes in python are much more useful and common that the attributes on functions.
Also note, that for full python compatibility we have to do the $call method because any python object could have a call method which makes the python object callable too. So, unless we were to make all objects simply (function(){...}) and use the dict to create hierarchy, there would be no way to call that python user function. I think I'm prepared to sacrifice call support, or only support it post-ECMA5 or something.
Is using (function(){...}) as the only object type too crazy? Probably. Better or worse than having two levels of function invocation for every function call?
For a class C' with instance
inst' we have the following cases:
C.attr
C.staticmeth()
x = C.staticmeth; x()
inst = C()
inst.attr
inst.meth()
x = inst.meth; x()
inst(), where C defines a call
Because in general these are accomplished by a helper function (tp$getattr/setattr/slice/ass_slice/etc.) it seems appropriate to add a call that generally just calls through, but sometimes handles the unusual cases. Once ECMA-5 is more broadly supported we can revisit and hopefully optimize.
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
func |
Object | the thing to call |
|
kwdict |
Object |
<optional> |
**kwargs |
varargseq |
Object |
<optional> |
**args |
kws |
Object |
<optional> |
keyword args or undef |
args |
* |
<repeatable> |
stuff to pass it TODO I think all the above is out of date. |
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(static) callAsync(suspensionHandlersnullable, func, kwdictopt, varargseqopt, kwsopt, …args)
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
suspensionHandlers |
Object |
<nullable> |
|
func |
Object | the thing to call |
|
kwdict |
Object |
<optional> |
**kwargs |
varargseq |
Object |
<optional> |
**args |
kws |
Object |
<optional> |
keyword args or undef |
args |
* |
<repeatable> |
stuff to pass it TODO I think all the above is out of date. |
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(static) callsim(func, …args)
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
func |
Object | the thing to call |
|
args |
* |
<repeatable> |
stuff to pass it |
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(static) callsimArray(func, argsopt)
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
func |
Object | the thing to call |
|
args |
Array |
<optional> |
an array of arguments to pass to the func Does the same thing as callsim without expensive call to Array.slice. Requires args to be a Javascript array. |
- Source:
(static) callsimAsync(suspensionHandlersnullable, func, …args)
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
suspensionHandlers |
Object |
<nullable> |
any custom suspension handlers |
func |
Object | the thing to call |
|
args |
* |
<repeatable> |
stuff to pass it |
- Source:
(static) callsimOrSuspend(func, …args)
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
func |
Object | the thing to call |
|
args |
* |
<repeatable> |
stuff to pass it |
- Source:
(static) callsimOrSuspendArray(func, argsopt)
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
func |
Object | the thing to call |
|
args |
Array |
<optional> |
an array of arguments to pass to the func Does the same thing as callsimOrSuspend without expensive call to Array.slice. Requires args to be a Javascript array. |
- Source:
(static) chain(initialValue, …chainedFns)
Chain together a set of functions, each of which might return a value or an Sk.misceval.Suspension. Each function is called with the return value of the preceding function, but does not see any suspensions. If a function suspends, Sk.misceval.chain() returns a suspension that will resume the chain once an actual return value is available.
The idea is to allow a Promise-like chaining of possibly-suspending steps without repeating boilerplate suspend-and-resume code.
For example, imagine we call Sk.misceval.chain(x, f).
- If x is a value, we return f(x).
- If x is a suspension, we suspend. We will suspend and resume until we get a return value, and then we will return f(<resumed-value). This can be expanded to an arbitrary number of functions (eg Sk.misceval.chain(x, f, g), which is equivalent to chain(chain(x, f), g).)
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
initialValue |
* | ||
chainedFns |
function |
<repeatable> |
- Source:
(static) isIndex(o) → {boolean}
Check if the given object is valid to use as an index. Only ints, or if the object has an __index__
method.
Parameters:
| Name | Type | Description |
|---|---|---|
o |
- Source:
Returns:
- Type
- boolean
(static) iterFor(iter, forFn, initialValueopt)
Perform a suspension-aware for-each on an iterator, without blowing up the stack. forFn() is called for each element in the iterator, with two arguments: the current element and the previous return value of forFn() (or initialValue on the first call). In this way, iterFor() can be used as a simple for loop, or alternatively as a 'reduce' operation. The return value of the final call to forFn() will be the return value of iterFor() (after all suspensions are resumed, that is; if the iterator is empty then initialValue will be returned.)
The iteration can be terminated early, by returning an instance of Sk.misceval.Break. If an argument is given to the Sk.misceval.Break() constructor, that value will be returned from iterFor(). It is therefore possible to use iterFor() on infinite iterators.
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
iter |
* | ||
forFn |
function | ||
initialValue |
* |
<optional> |
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(static) loadname(name, otheropt)
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
name |
string | ||
other |
Object |
<optional> |
generally globals |
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(static) promiseToSuspension()
Do the boilerplate suspension stuff.
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(static) retryOptionalSuspensionOrThrow()
Well this seems pretty obvious by the name what it should do..
- Source:
(static) richCompareBool()
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(static) tryCatch()
Catch any exceptions thrown by a function, or by resuming any suspension it returns.
var result = Sk.misceval.tryCatch(asyncFunc, function(err) {
console.log(err);
});
Because exceptions are returned asynchronously aswell you can't catch them with a try/catch. That's what this function is for.
- Source:


All about the Ocean protocol ICO and the OCN Token on the Blockchain blockchain. The ICO Watch List is the place for crypto and initial coin offering investors.
(oups sorry jl I'm late )
jl777c03-May-19 06:10 PM
that was the first round. i think they did another $30 mil the other day
PuffCoatJunkie thx alot for a honest trade all went smooth!(edited)
WTB 32 jumblr offer 3 kmd each
WTB 380 bots offer 2 kmd each
Hollowman900003-May-19 07:17 PM
lol bittrex
Fool me once shame on you
Fooled you twice?
Hollowman900003-May-19 08:08 PM
They sold another shitcoin IEO that ended in a predictable way
Clickfarm monkeys got angry it didn’t moon and started flinging poo
hastrup03-May-19 08:17 PM
It's hard to navigate in this space! You don't know ho to trust. It's just sad that it's so easy to cheat ppl of there hard earn money
PHBA206103-May-19 08:25 PM
the problem is people took the risk and speculate into something they don't fully understand ...
Hollowman900003-May-19 08:25 PM
I’d say they didn’t even partially understand
Especially brad
PHBA206103-May-19 08:26 PM
I know, I was generous there
LocoMB03-May-19 08:31 PM
OCEAN protocol- wasn't that the one that was supposed to also make you breakfast and take the dog for a walk after telling you the stockmarket prices in advance?
Hollowman900003-May-19 08:32 PM
Guess it didn’t see its own dump coming
LocoMB03-May-19 08:34 PM
too busy scooping up dog poop in Hyde Park ..(edited)
Alright03-May-19 08:34 PM
why do all these people think they're entitled to a refund?

PHBA206103-May-19 08:38 PM
why do all these people think they're entitled to a refund?
in extreme desperation, they can think of anything
People have ridiculous expectations, buying into something to flip for immediate profit, rarely ever happens.
jl777c03-May-19 08:42 PM
if you dont know who the newb at the table is, you are the newb
2
they raised 20 to 50 million and people expect instant returns? the big returns come from undersubscribed offerings, such big ones need to deliver big just for people to breakeven
Vertigo03-May-19 08:52 PM
@Hollowman9000 Do you want a Chinese SKS for 450kmd?
Image Screenshot-20190504-111421-You-Tube hosted in imgbb.com
Markus04-May-19 10:18 AM
Im not big fan of all those older coins being mined for years and now getting a real usecase
didnt someone say that top 78 wallets hold 95% of chips supply
pretty centralized in my opinion
mrlynch04-May-19 10:20 AM
centralized
adj.
Having things physically towards the center; consolidated or concentrated
adj.
Having power concentrated in a single, central authority
(edited)
78 is not centralized
Markus04-May-19 10:21 AM
If Chips want to grow it means those 78 wallets holding 95% would need to sell their token/coins to increasse circulation of supply in other way nobody can use it cause theres not enough supply to be used


| Path: | README.txt |
| Last Update: | Wed Jul 30 21:54:12 -0700 2008 |
A framework to allow Ruby applications to generate file/folder stubs (like the `rails` command does for Ruby on Rails, and the ‘script/generate’ command within a Rails application during development).
RubiGen is originally extracted from Ruby on Rails (specifically the rails_generator from its railties gem).
The rails_generator was hardcoded with Rails-specific dependencies (`RAILS_ROOT`), Rails generators (‘app’ = Rails application; ‘model’ = Rails model+tests+migration), and generally assumed it was the only generator framework within the Ruby world (it was). So, any RubyGem whose name ended with ‘_generator’ was assumed to be a generator for a Rails application.
But if you are developing a Merb application, then you may want a different set of generators. If you are developing a RubyGem, then you will want a different set of generators.
RubiGen exists to give different development environments their own generator framework.
Jeremy Kemper wrote the original Rails Generator, which is 95% of the basis of RubiGen. He‘s awesome.
RubiGen is only required at development time, and normally isn‘t required at deployment time (unless your application uses it to generate files etc for its users).
On your development machine:
gem install rubigen -y
RubiGen will be normally integrated into another RubyGem, such as `newgem` or `merb` or `camping`, rather than be used on its own.
These frameworks might use RubiGen for two reasons:
So, there are two steps to integrating RubiGen into your framework:
There are two types of generators:
Without RubiGen, to give your users a head start and create a stub for them, you will copiously use `mkdir_p` and `File.open`. Your script will either be primitive (only create the bare folders and very few files) or it will be very long and unreadable (ok, perhaps I‘m just talking about the `newgem` script, which I am dubiously responsible for… :P).
With RubiGen, you can create stubs using powerful, yet simple, syntax. Templates are extracted into a `templates` folder, and activating the generator from a script requires only a few lines of code.
These are the `newgem` files related to its Application Generator.
bin/ bin/newgem # Appliction Generator script; Usage: newgem gemname [options] app_generators/ app_generators/newgem/ app_generators/newgem/newgem_generator.rb app_generators/newgem/USAGE app_generators/newgem/templates/ app_generators/newgem/templates/app.rb app_generators/newgem/templates/History.txt app_generators/newgem/templates/... lots and lots of templates
The `bin/newgem` script is very simple, and looks like:
require 'rubygems' require 'rubigen' if %w(-v --version).include? ARGV.first require 'newgem/version' puts "#{File.basename($0)} #{Newgem::VERSION::STRING}" exit(0) end require 'rubigen/scripts/generate' RubiGen::Base.use_application_sources! RubiGen::Scripts::Generate.new.run(ARGV, :generator => 'newgem')
You can copy and paste this for your own generator script, and place it in your RubyGem‘s `bin` folder. Change `newgem` to your RubyGem‘s name in the script above (and in all the folders listed above too)
NOTE: If you leave `newgem` there, then it will execute the `newgem_generator.rb` generator; as the generators are loaded from all RubyGem‘s having `/app_generators` folders.
So, for your RubyGem, you need to keep the `/app_generators` folder (as you are creating an Application Generator, not a Component Generator), but change `newgem` to `your gem name` in all the subfolders and files. ESPECIALLY `newgem_generator.rb` -> `yourgem_generator.rb`, as this is how the generator is discovered (via `RubiGen::Base.use_application_sources!`).
All the generator work is performed within `yourgem_generator.rb`. A stub for it will be:
require 'rbconfig' class YourgemGenerator < RubiGen::Base DEFAULT_SHEBANG = File.join(Config::CONFIG['bindir'], Config::CONFIG['ruby_install_name']) default_options :shebang => DEFAULT_SHEBANG, :an_option => 'some_default' attr_reader :app_name, :module_name def initialize(runtime_args, runtime_options = {}) super usage if args.empty? @destination_root = args.shift @app_name = File.basename(File.expand_path(@destination_root)) @module_name = app_name.camelize extract_options end def manifest # Use /usr/bin/env if no special shebang was specified script_options = { :chmod => 0755, :shebang => options[:shebang] == DEFAULT_SHEBANG ? nil : options[:shebang] } windows = (RUBY_PLATFORM =~ /dos|win32|cygwin/i) || (RUBY_PLATFORM =~ /(:?mswin|mingw)/) record do |m| # Root directory and all subdirectories. m.directory '' BASEDIRS.each { |path| m.directory path } # Root m.template_copy_each %w( Rakefile ) m.file_copy_each %w( README.txt ) # Test helper m.template "test_helper.rb", "test/test_helper.rb" # Scripts %w( generate ).each do |file| m.template "script/#{file}", "script/#{file}", script_options m.template "script/win_script.cmd", "script/#{file}.cmd", :assigns => { :filename => file } if windows end end end protected def banner <<-EOS Create a stub for #{File.basename $0} to get started. Usage: #{File.basename $0} /path/to/your/app [options]" EOS end def add_options!(opts) opts.separator '' opts.separator "#{File.basename $0} options:" opts.on("-v", "--version", "Show the #{File.basename($0)} version number and quit.") end # Installation skeleton. Intermediate directories are automatically # created so don't sweat their absence here. BASEDIRS = %w( doc lib log script test tmp ) end
Easy peasy.


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WITNESS LIST Infrastructure Development and Security Committee July 16, 2003 - 9:00A SB 43 ON: Dike, Jerry Director - Vehicle Titles & Registration (Texas Department of Transportation), Austin, TX SB 44 FOR: Miglicco, Gary Managing Director (Texas Online), Austin, TX ON: Burroughs, Robert H. Major (Texas Department of Public Safety), Austin, TX Dike, Jerry Director - ehicle Titles & Restistration (Texas Department of Transportation), Austin, TX SB 47 ON: Behrens, Michael Executive Director (Texas Department of Transportation), Austin, TX SB 52 ON: Bass, James Director, Finance Division (Texas Department of Transportation), Austin, TX Behrens, Michael Executive Director (Texas Department of Transportation), Austin, TX Jackson, Bob Deputy General Counsel (Texas Department of Transportation), Austin, TX SB 53 ON: Behrens, Michael Executive Director (Texas Department of Transportation), Austin, TX Jackson, Bob Deputy General Counsel (Texas Department of Transportation), Austin, TX


|
|
FacadesOverviewThe Facade pattern is what you should have in mind as you design an interface for publishing over JRemoting. It goes hand-in-hand with Immutable objects. Understanding both is key to making JRemoting work for you. Facades have methods that are going to be invoked over the wire. The results of those methods can either be immutable (also known as value objects), or other (secondary) facades. If the method returns a secondary facade, it could be the interface declared on the return type or a more derived interface. If an immutable it can be anything that is serializable, but cannot have a reference to anything that's a facade. Sample Facades and Immutables (Value Objects)interface Bank { Account findAccount(int accountID) } interface Account { Debit debitFunds(Amount amount, Account toAccount) throws UnsufficientFundsException Credit creditFunds(Amount amount, Account fromAccount) } interface SavingsAccount extends Account { Rate getInterestRate() } interface CheckingAccount extends Account { Amount getOverdraftLimit() void setupAutoTransfer(Amount maxBalance, Account destinationForSurplass) } class Txn implements Serializable { private Amount amount; private Date date; private String ref; public Amount getAmount() { .... } public Date getDate() { .... } public String getReference() { .... } } class Debit extends Txn { private int toAccountID; public int getToAccount() { .... } } class Credit extends Txn { private int fromAccountID; public int getFromAccount() { .... } } class Amount implements Serializable { private BigDecimal value; public BigDecimal getValue() { .... } } The interface Bank above is the one that is the primary facade. SavingsAccount and CheckingAccount are the secondary facade. They are used as return types and parameters to methods on the primary facade and each other. The plain classes Txn, Debit, Credit and Amount are plain classes that are serializable. Date and BigDecimal are from Java's libraries and are Serializable out of the box. Note that Credit and Debit have a corresponding account ID rather than a reference to the Account itself. Note also that the debitFunds method on the primary facade has an exception. That exception is plain (it does not extend anything special from the JRemoting API) and is replicated on the client side by JRemoting. The same would be true of exceptions that are drived from RuntimeException. With primary and secondary facades, you have to specify both on the server side. The primary one is the one you resolve over the wire, the secondary ones are activated during operation. Like primary facades, the secondary ones are eligible for garbage collection. PublishingBank myBank = new BankImpl(); server = new SocketServer(new ConsoleServerMonitor(), new InetSocketAddress(10333)); server.publish(myBank, "BankService", Bank.class, SavingsAccount.class, CheckingAccount.class); // secondary facades are varargs server.start(); Client side usageserviceResolver = new ServiceResolver(new SocketTransport(new ConsoleClientMonitor(), new SocketDetails("localhost", 10333))); |


Airbnb CEO says company is banning “party houses”
by DEE-ANN DURBINAirbnb Inc. says it’s banning “party houses” in the wake of a deadly shooting at an Airbnb rental in California.
In a series of tweets Saturday, Airbnb co-founder and CEO Brian Chesky said that the San Francisco-based company is stepping up efforts to “combat unauthorized parties and get rid of abusive host and guest conduct.”
Chesky said Airbnb is expanding manual screening of “high risk” reservations that are flagged by its system. It’s also forming a rapid response team dedicated to house parties.
The company will remove guests who fail to comply, Chesky said.
Five people were killed in a Halloween party shooting in the San Francisco suburb of Orinda.
“What happened on Thursday night in Orinda was horrible. I feel for the families and neighbors impacted by this tragedy. We are working to support them,” Chesky said in a tweet.
People with knowledge of the transaction say the woman who rented the home lied to her Airbnb host, saying she was renting it so her asthmatic family members could escape wildfire smoke. More than 100 people had gathered for the party, police said.
House parties have long been an issue for Airbnb.
In 2018, Airbnb permanently banned a man who crammed more than 250 people into an Airbnb rental in Seven Hills, Ohio, for an unauthorized New Year’s party while his host hid in a bedroom.
And in July, two people were killed during a party at an Airbnb in Pittsburgh.
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September 9th 2016 by Matt An #lessonlog #Log
September 5th
1. the use of bisects in python
binary search:
when we want to search an element in a list, we can take the middle value, find out the target is bigger than the middle or not, then we can abandon half of a list. keep on doing it, we can find it at last. the maximum time we take is log2n.
2. the example
2.1 iteration binary search
use iteration to make a binary search function, it's faster than recursion in binary search. but iteration use counter as the condition of a loop, when all the number count off, the loop will finish.
def search_binary_iter(xs, target):
low=0
high=len(xs)-1
while low<=high:
middle=(low+high)//2
if xs[middle]<target:
low=middle+1
elif xs[middle]>target:
high=middle-1
else:
return middle
return -1
2.2 recursive binary search
recursion use the output as input again, the code will shorter than iteration, but it's slower,use more RAM.
def search_binary_recur(xs, target):
low=0
high=len(xs)-1
middle=(low+high)//2
if low==high:
return -1
else:
if xs[middle]==target:
return middle
elif xs[middle]>target:
return search_binary_recur(xs[:middle,target])
elif xs[middle]<target:
return search_binary_recur(xs[middle:,target])
else:
return -1


Introduction
To work with the Smarkets Streaming API you will need to:
-
Create a secure persistent TCP connection to
stream.smarkets.com:3801
(sandboxstream.smarkets-dev.com:3801
) -
Encode, Frame, and send a seto/payload with type login and its eto/payload with seq 1
seto/payload{ type = login, login = seto/login{ username =<EMAIL_ADDRESS>password = "*********" } eto-payload = eto/payload{ seq = 1, type = login } }
-
Receive a seto/payload back from Smarkets with an eto/payload with type login-response and incoming seq 1. You have now been allocated a unique session that can be resumed if you are ever disconnected.
seto/payload{ type = eto, eto-payload = eto/payload{ seq = 1, type = login-response, login-response = eto/login-response{ session = "......" } } }
- Send more seto/payloads with an incrementing outgoing seq in their eto/payload (more about sequences).
- Receive more seto/payloads with an incrementing incoming seq in their eto/payload (more about sequences).
seto vs. eto
eto/* definitions are related to the transport layer to the Smarkets API. This provides a sequenced based messaging protocol similar to that of the Financial Information eXchange (FIX) Transport Protocol.
seto/* refers to Smarkets application specific definitions that wrap eto/payloads. If a seto/payload is sent which payload-type eto
then there is no Smarkets API extension to eto in the given payload and only the wrapped eto/payloads is processed.
Encoding Payloads
All seto/payloads are encoded into bytes compatible with Protocol Buffers before being framed and sent. How you do this will depend on the language you're using to communicate with Smarkets' servers. Go to the smarkets.github.com downloads section to find the .proto or .piqi files, or use one of the available SDKs that will automatically do this for you.
Framing
Each payload is prefixed with a ULEB128 (unsigned little-endian base 128) length header. Each byte has continuation bit (marked in red below) which is the most significant bit. Every byte except the final, most significant byte has the continuation bit set. The Python and Erlang SDKs do this for you. Here's an example for reference purposes where the 28-bit integer 268435202 is represented by 32 bits like so:
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Frames (including length header and message bytes) must be a minimum of 4 bytes in length. This only affects messages which are themselves 1 or 2 bytes in length. In those cases, 0 padding should be added until the total frame length is 4 bytes. Otherwise, no padding should be added.
| increasing sequence numbers → | ||||
| ... | Length (uleb128) | Message (length bytes) | Padding (optional) | ... |


UTC +2. Summer time UTC +3 last weekend in March until last weekend in September.
Voltage: 240 V
Frequency: 50 Hz
Euro
International Dialing Code for Cyprus is +357
Internet available.
Mobile/Cellular Telephone Services
Mobile cellular telephones are available from major retailers and phone shops. If coming to Cyprus with a phone from another country, it may be possible to use it in Cyprus if the frequency band is the same (GSM 900/1800; UMTS 2100). The most economical way to make and receive calls will likely be to purchase a SIM card in Cyprus. All incoming calls are free and local calls are charged at a local rate.
In order to do use a foreign phone in Cyprus, the phone must be "unlocked", meaning it is not tied to a particular provider's network. If the phone is locked, it may be possible to unlock the phone at phone stores in the originating country or in Cyprus.
Once a phone is unlocked, it may be used on any network (provided the phone uses the same technology provided in Cyprus).
Pay-As-You-Go usage means no contract is necessary; users buy pre-paid credits for usage. In order to use the phone on a Pay-As-You-Go basis, make sure the phone is unlocked, purchase a SIM card (a very small replaceable microchip) for a small fee, remove the old SIM card (often underneath the phone battery) and install the new SIM card. The new SIM card packaging will include the new Cyprus phone number. Purchase credit (available in periptero kiosks, tobacconists, post offices and petrol stations) and redeem it with the salesperson (if purchased in a phone store) or via phone call or text message.
There are no roaming agreements with the northern part of Cyprus; Cyprus mobile phones do not work there, however a cellular handset from another country works on both sides of the island.
Police - 199 or 112
Ambulance - 199 or 112
Fire Service - 199 or 112
IMRAY AND ADLARD COLES PILOT BOOKS are available at a discounted price for Noonsite.com users via World Cruising Club
Mediterranean Almanac 2015/16
By Rod and Lucinda Heikell (9th Edition)
Publisher Imray (December 2014)
2016 supplement available from Imray
ISBN -<PHONE_NUMBER>986
Price - £29.50
See this Noonsite review..
A Yachting Pilot for Southern Cyprus
http://cruisingtips.net/pdf/Cyprus_Pilot.pdf
By Rick Munden, SY Ocean Dream
Posted November 2015
Rick started this cruising guide following a summer cruise here in 2015. It has alot of free useful anchoring and pilotage information and is being continually updated over the next few months.
Turkish Waters and Cyprus Pilot
By Rod and Lucinda Heikell
Publisher: Imray (9th Edition 2013)
ISBN:<PHONE_NUMBER>132
This 9th edition of Rod Heikell's guide to the coast of Turkey from the Bosphorus to the Syrian border and Cyprus has been revised . Since the last edition in 2009, the Turkish coast has changed more than any other in the Mediterranean and in some places beyond recognition. There has been a steady growth in the number of cruising yachts, many of which are now Turkish-owned and to match this facilities have been improved, harbours extended and new marinas built. This ninth edition has been thoroughly updated and provides the latest information on these developments. The text has been revised and contains new plans and new photographs, many of which are aerial shots.There is no other guide in English and Turkish Waters Pilot sets the standards for both pilotage and describing places to visit and see.
A useful site for crusing information www.jimbsail.info/drupal/mediterranean/cyprus
www.cyprusailing.com
A useful local site with information about sailing in Cyprus, anchorages, ports & marinas and much more.


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T2 HTML CSS DOM Part 1
T2 HTML CSS DOM Part 2
T3 Design to Web
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{% extends "hqwebapp/base.html" %} {% load i18n %} {% load hq_shared_tags %} {% load crispy_forms_tags %} {% block title %}New Project Space{% endblock title %} {% block content %}
{% blocktrans with request.couch_user.first_name as first_name %} Congratulations, {{ first_name }}—you've successfully joined CommCare HQ. {% endblocktrans %}
{% blocktrans %} Your CommCare HQ project will contain all form submissions from your CommCare mobile applications, as well as tools that help you easily create, deploy, and monitor your applications and workers. {% endblocktrans %}
{% blocktrans %} Before you can view any of your own data from CommCare, you will need to create a project space. {% endblocktrans %}
{% endif %} {% crispy form %}


I'm a full stack web developer who uses creativity and logic to create web sites and applications.
I am currently based in Atlanta, Georgia, where I attended General Assembly and completed a 12 week web development immersive course.
My fascination for technology began early in high school, when my friend and I put together my family desktop computer out of parts we purchased online. After learning about all the components and how to build a computer, I decided to enroll in web design classes to put my machine to work.
Much has changed since then, and I truly enjoy seeing all the new features and technologies being developed and am eager to learn of much as possible.
Some other interests of mine include culinary arts, swimming, playing music and, of course, learning!


https://github.com/allanlw/dns-rebinding-server
An integrated DNS/HTTP server for performing DNS rebinding written in Go. Powers rebindmy.zone
Project to implement a DNS server and client program to facilitate DNS rebinding attacks. Contact<EMAIL_ADDRESS><EMAIL_ADDRESS>To build:
docker build -t dnsrebind .
To run (with http server on localhost:8080 in the host):
docker run -it --rm -v $(pwd)/conf:/etc/dnsrebind/ -p80:80 -p53:8053/udp -p53:8053/tcp -p10000:10000 dnsrebind
This will use the configuration file in $(pwd)/conf/dnsrebind.yml.
There's a format script. you need sudo npm install -g js-beautify standard to have the right tools.
IPTables Voodoo
We want a secondary IP address to slurp all traffic on all ports. We need to add a secondary IP to the server. Follow this Stack Exchange answer: https://serverfault.com/a/864615
Then, we need to write an iptables rule to redirect the traffic:
sudo iptables -I PREROUTING -t nat -i eth0 -d <IP_ADDRESS> -p tcp --dport 1:65535 -j DNAT --to-destination <IP_ADDRESS>:10000
Note, replace the first and second IP addresses with the appropriate internal IPs.
To inspect the rule, use:
sudo iptables -L -t nat
License
Copyright 2018 Akamai Technologies, Inc
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.


This service requires Web Bluetooth, which your web browser does not support.
If you are accessing this page on your PC, we recommend using your mobile to try first.
Please use an alternative setup method or try again in a supporting browser (such as Samsung Internet, Chrome or Opera).
{:elseif supported} {#if error}Check your gateway is switched on and press the button to connect.
{#if connecting} {:else} {/if} {/if}


Most of you are familiar with the virtues of a programmer. There are three, of course: laziness, impatience, and hubris. -- Larry Wall [ source]


[gecode-users] Examples
Guido Tack
tack at ps.uni-sb.de
Mon Feb 16 11:29:17 CET 2009
Dear Malcolm,
you're right, the examples are not very helpful as a starting point.
However, the tutorial documentation we're currently writing (and which
is going to be available soon) will provide exactly the kind of
information you're asking for. The new tutorial examples will be self-
contained and explained step by step, and the document will cover
everything that is essential for modeling with Gecode (creating
variables, posting constraints, search, and compiling/linking).
Cheers,
Guido
Malcolm Ryan wrote:
> If I may offer a well-intentioned criticism of the Gecode
> distribution, I'd like to suggest that the examples that come with the
> distribution do not serve their purpose well. They do a good job of
> demonstrating the the strengths of the library, but are less useful as
> examples of how to use it. They are simply too complicated, with too
> many options spread over too many files. Trying to single out a
> particular concept, such as 'how to use Gist' or 'how to write a
> custom branching' is tricky. The answer is there, but it is woven in
> among several other advanced concepts, with an option system for
> turning different parts on and off.
>
> It would be nicer to have simple self-contained examples that
> illustrate just one concept at a time and highlight the particular
> code elements that are necessary to make that feature work, keeping
> the number of options down to a minimum.
>
> If you do this, it would make like easier for all of us.  While I am very grateful for all your help, I am
> sure we would all like to get on with our work.
>
> Malcolm
More information about the gecode-users
mailing list


NO WAY TO TREAT A LADY (director: Jack Smight; screenwriter: John Gay/From a William Goldman novel; cinematographer: Jack Priestley; editor: Archie Marshek; cast: Rod Steiger (Christopher Gill), George Segal (Morris Brummel), Lee Remick (Kate Palmer), Eileen Heckart (Mrs. Brummel), Michael Dunn (Midget), Murray Hamilton (Inspector Haines), Martine Bartlett (Alma Mulloy), Ruth White (Mrs. Himmel), Barbara Baxley (Belle Poppie), Doris Roberts (Sylvia Poppie), Val Bisoglio (Detective Monaghan), David Doyle (Lieutenant Dawson), 1968)
Reviewed by Dennis Schwartz
A thoroughly enjoyable film about a pitiless serial killer of middle-aged women, that is played for laughs at the expense of the women victims. It is a black comedy, acclaimed for its stellar performances, especially by Rod Steiger as Christopher Gill, the psychologically warped killer, with a severe mother fixation, who uses a number of disguises to commit the murders and performs the murders as if he was on-stage, being only natural, considering that he is an accomplished Broadway actor and well-known theater owner, and the son of a great actress.
George Segal is the likable Jewish detective, Morris Brummel, who is assigned to investigate the murder case. He also has a mother problem, as his stereotypical Jewish mother, Eileen Heckart, offers him her possessive love and could nag with the best of them. This presents an interesting contrast with the way the killer handles his neuroses. Segal, who lives with his mother, takes his daily punishment in stride, offering a bon mot here and there and sometimes just a resigned look, but without really complaining, rather feeling resigned to his fate and accepting it like a mensch (man). His performance is endearing and Heckart's is amusingly right on target. Also noteworthy, is the beautiful and giddy shiksa (non-Jewish woman), Lee Remick as Kate Palmer, who will become romantically involved with the nice Jewish boy as a result of the case. She is delightfully refreshing, offering her beauty, sensitivity, and comedy in a splendid performance. Her romance with the bashful Segal was well-conceived, as she leads him on by her womanly flirtations and draws out of him how much he loves her as a whole person and not just for her body, as her past lover did. She also has this great line, in response to him complimenting her on her looks, "Getting dolled up is easy; looking natural takes time." This is an actor's film and they all make the most of it.
In the first scene, Steiger is disguised as an Irish priest, merrily walking into his first victim's tenement building whistling and when seeing Remick on the stairs, saying "top of the morning" to the art museun guide who lives in the victim's building and will be called on to become an eyewitness to identify the killer. Steiger knocks on Mrs. Mulloy's door and gains entry by saying he is the new priest in the neighborhood. He drinks some port with her, tells her some absurd stories, and he begins to tickle her like his mother liked to be tickled, and, as she goes into a ticklish convulsion, he strangles her to death. He leaves her in the bathroom with his trademark signature for the murder, lips smeared on with lipstick across her forehead.
Segal is assigned the case and is quoted in the paper as giving the killer a rave review, saying how well-planned and executed the murder was. Steiger calls him the next day and offers to become Segal's telephone confidant, but tells him, "Remember, I am smarter than you are." He will commit five murders and only fail to call Segal after the first and fourth.
Steiger next poses as a German plumber and after eating some home-made cake with the middle-aged woman who was born in Frankfort, a place where he pretends he's from, he strangles her and does his lipstick bit again. He then calls Segal and gives him the latest victim's address.
This role is a hammy actor's dream, a role in which Steiger gets a chance to outshine the indomitable Peter Sellers, the master of disguises.  He will do Cary Grant, W.C. Fields, and Maurice Chevalier imitations, as well as calling the detective from different places, such as an art gallery, Sardi's restaurant, and from Remick's apartment.
There is one very funny scene where a midget confesses to the crime, but who becomes upset that Segal doesn't take his confession seriously. When told an eyewitness says the killer was of normal height, the midget responds, "See, I'm a master of disguises."
It was difficult not to find this witty film funny and its romantic subplot equally charming. It was adapted from William Goldman's novel.
REVIEWED ON 4/22/2000 GRADE: B+
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


--- layout: post title: What’s the Difference Between Chromium and Chrome? date: '2019-10-17T17:06:00.000+05:30' author: Sahil Rajput tags: modified_time: '2019-10-17T17:07:07.197+05:30' blogger_id: tag:blogger.com,1999:blog-5250005448924290719.post-5069925878446858646 blogger_orig_url: https://www.jaadujinn.ml/2019/10/whats-difference-between-chromium-and.html ---


--- layout: default title: Getting Help slug: help lead: "With a little help from my friends." base_url: "../" ---
The SunPy documentation should be your first stop to get your question answered. We strive to provide a rich and comprehensive set of docs. The documentation is included in the code itself which you can access through code reference and we also have a number of guides which take you through specific topics. If you do not find your answer there read on!
Sometimes the best way to get your question answered is just by asking someone. SunPy has two mailing lists; a general mailing list for general issues and a developer mailing list. If you have a general question about how SunPy works use the main list. If, on the other hand, you have a question about the inner workings of SunPy or how SunPy is organized or have a question about developing some new feature please use the developer mailing list.
We have a chat room on matrix.org which will open directly in your browser, or use the embedded client below. Stop by and say hello. Talk with the SunPy users and the developers and get started. If you are using IRC hosted on freenode, then you can join the same channel (bridged into matrix) by joining the (#sunpy) channel on freenode.


INTRODUCTION
Full name: Tania Waiganjo
Age:18
Nationality:Kenyan
Date of birth: 04/05/2003
<EMAIL_ADDRESS>Born to Mr. and Mrs. Waiganjo I am the second of four daughters.
I've lived all my life in a humble abode in Ongata Rongai.
I have the following are my academic achievments.
I hope to live a happy and fulfiled life where I enjoy what it is I choose to pursue.
I want to develop software from the ground up ,see them take shape and come to fruition.
I chose computer studies as a staple subject in high school.
While the syllabus is completely outdated there was a topic called elementary programming which I really enjoyed.
It dealt with pseudocodes and flowcharts but it made me curious about coding, hence, my choice to pursue software development.


United Kingdom
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France
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What do you want to find?
Accommodation
Restaurants
Attractions
Travel
Results for searches will be found here


/** \mainpage Gazebo API Reference
This documentation provides useful information about the Gazebo API. The code
reference is divided into the groups below. Should you find problems with this
documentation - typos, unclear phrases, or insufficient detail - please
create a new bitbucket
issue. Include sufficient detail to quickly locate the problematic
documentation, and set the issue's fields accordingly: Assignee - blank;
Kind - bug; Priority - minor; Version - blank.
- Class
- List - Index of all classes in Gazebo, organized alphabetically
- Hierarchy - Index of classes, organized hierachically according to their inheritance
- Modules
- Common: Classes and files used ubiquitously across Gazebo
- Events: For creating and destroying Gazebo events
- Math: A set of classes that encapsulate math related properties and functions.
- Messages: All messages and helper functions.
- Physics: Classes for physics and dynamics
- Rendering: A set of rendering related class, functions, and definitions.
- Sensors: A set of sensor classes, functions, and definitions.
- Transport: Handles transportation of messages.
- Links
- Website: The main gazebo website, which contains news, downloads, and contact information.
- Wiki: A collection of user supported documentation.
- Tutorials: Tutorials that describe how to use Gazebo and implement your own simulations.
- Download: How to download and install Gazebo
*/


Aaron Ramsey delighted to make up for lost time after his brace sends Wales to Euro 2020
The Juventus midfielder has missed the majority of Wales' qualifying campaign through injury but he returned when it mattered to fire his side into the finals
by James Nursey, https://www.mirror.co.uk/authors/james-nursey/Aaron Ramsey fired Wales back to the Euros last night after making up for lost time.
Juventus midfielder Ramsey was recalled and justified his inclusion with a deadly brace.
First he buried an early header and then slotted in a right-foot shot after the break on his first competitive start for Wales since September 2018.
Victory ensured the Euro 2016 semi-finalists beat Hungary to clinch second spot in Group E behind Croatia.
Ramsey, 28, said: “It was a big effort and I missed a lot of this campaign but it was all worthwhile. I chipped in with a couple of goals which is amazing.
“It means everything. We inspired a nation last time out so we wanted to do it again.
“There are some players here who haven’t experienced this, so we wanted to give them a taste of it. We have a great squad and a lot of great young players coming through.
“We always knew it was going to be a tight group and it would come down to the last couple of games.”
Captain Gareth Bale crossed for Ramsey to head in on 15 minutes before he doubled the lead with his 16th international goal to climb to seventh in Wales' list of all-time scorers.
After a fifth qualifier without defeat, Bale added: “He’s a world class player and it’s great to have him back. He showed again what a great player he is and two more goals helped us.
“We’ve been getting better and better through the campaign and we’ve embraced the challenge.
“This is the position we wanted to be in – challenging to qualify and we took it in our stride, played with confidence, and got the vital win to get us through.
“We had the best time of our lives in France and we’ll try to go and enjoy it again with our amazing fans.”


|
The rrdFile Javascript module implements a set of classes that can be used to extract information from RRD archives loaded as binary file objects. |
The rrdFilter module is allows filters to be applied to DSs (datasources) and RRA objects.
(These classes should have almost idential instantiations to their rrdFile module equivilents.)
For DSs, filters can either be a list of DSs to filter out (*FilterDS), or a user-created and customized filter object (*FilterOp - for example, mathematical functions like summing and averaging DSs).
THese classes are:
For RRAs, two things can be done - An RRA can be shifted by any number of seconds (for timezone selection, for instance) [RRDFilterShift], or any number of new RRAs can be created (based on other RRAs) with their data averaged [RRDRRAFilterAvg]. See individual classes for details.
These classes are:
This class filters all of the DSs in an RRD by a list of filter objects.
The filter object must implement the following interface getName() - Symbolic name give to this function getDSName() - list of DSs used in computing the result (names or indexes) computeResult(val_list) - val_list contains the values of the requested DSs (in the same order) Example classes that implement the interface: function Itentity(ds_name) { //Leaves the DS alone. this.getName = function() {return ds_name;} this.getDSNames = function() {return [ds_name];} this.computeResult = function(val_list) {return val_list[0];} } function sumDS(ds1_name,ds2_name) { //Sums the two DSs. this.getName = function() {return ds1_name+"+"+ds2_name;} this.getDSNames = function() {return [ds1_name,ds2_name];} this.computeResult = function(val_list) {return val_list[0]+val_list[1];} } Lets say you have 2 DSs. To add a summed DS of DS1 and DS2: var ds0_name = rrd_data.getDS(0).getName(); var ds1_name = rrd_data.getDS(1).getName(); rrd_data = new RRDFilterOp(rrd_data, [new Identity(ds0_name), new Itentity(ds1_name), new sumDS(ds0_name, ds1_name]);
If a string is passed, it is assumed to be the name of a DS, and the Identity transformation is applied.
If an integer is passed, it is assumed to be the index or a DS, and the Identity equivalent is applied.
So this gives an equivalent result:
rrd_data = new RRDFilterOp(rrd_data, [ds0_name,1, new sumDS(ds0_name, ds1_name]);
Its arguments are: rrd_file and op_obj_list (list of ds filters).
This class implements the following methods:
|
Method |
Description |
|---|---|
|
getMinSteps() |
Return the base interval in seconds that was used to feed the RRD file. |
|
getLastUpdate() |
Return the timestamp of the last update. |
|
getNrDSs() |
Return the number of Data Sources present in the RRD file. |
|
getDSNames() |
Return the names of the Data Sources present in the RRD file. |
|
getDS(id) |
If id is a number, return an object of type RRDDS holding the information about the id-th Data Source. If id is a string, return an object of type RRDDS holding the information about the Data Source with the requested name. |
|
getNrRRAs() |
Return the number of Round Robin Archives present in the RRD file. |
|
getRRAInfo(n) |
Return an object of type RRDRRAInfo holding the information about the n-th Round Robin Archive. |
|
getRRA(n) |
Return an object of type RRDRRA that can be used to access the values stored in the n-th Round Robin Archive. |
This class creates new RRAs (based on original RRAs in the RRD File) that have different time steps. This is useful for creating new RRA graphs with different time steps without actually creating and filling new RRAs.
Arguments:
Examples of RRA Filter Objects:
//This RRA Filter object leaves the original RRA unchanged. function RRAIdentity(rra_idx) { this.getIdx = function() {return rra_idx;} this.getStep = function() {return null;} } /* This Filter creates a new RRA with a different step size / based on another RRA, whose data the new RRA averages. / rra_idx should be index of RRA with largest step size / that doesn't exceed new step size. */ function RRA_Avg(rra_idx,new_step_in_seconds) { this.getIdx = function() {return rra_idx;} this.getStep = function() {return new_step_in_seconds;} }
For instance, if you have 3 RRAs with 5 second, 60 second and 3600 second intervals, and would like an RRA with 1800 second steps along with them, create:
object_list = [new RRAIdentity(0), new RRAIdentity(1), new RRAItentity(2), new RRA_Avg(1,1800)]. new RRDRRAFilterAvg(rrd_file, object_list);
It's best to use the RRA with the next smallest step size as a basis. It's also best to make steps integer multiples of the original RRA step sizes. For instance, using a 45 minute step, a 6 hour (= 45mins x 8) step would be better than 4 hour step (=45 mins x 5.33...).
Given that the above classes are likely the most useful ones, the user can use an integer instead of a RRAIdentity object, and an Array(2) instead of the RRA_Avg object:
object_list = [0,1,2,[1,1800]] new RRDRRAFilterAvg(rrd_file, object_list);
This class implements the following methods:
|
Method |
Description |
|---|---|
|
getMinSteps() |
Return the base interval in seconds that was used to feed the RRD file. |
|
getLastUpdate() |
Return the timestamp of the last update. |
|
getNrDSs() |
Return the number of Data Sources present in the RRD file. |
|
getDSNames() |
Return the names of the Data Sources present in the RRD file. |
|
getDS(id) |
If id is a number, return an object of type RRDDS holding the information about the id-th Data Source. If id is a string, return an object of type RRDDS holding the information about the Data Source with the requested name. |
|
getNrRRAs() |
Return the number of Round Robin Archives present in the RRD file. |
|
getRRAInfo(n) |
Return an object of type RRDRRAInfo holding the information about the n-th Round Robin Archive. |
|
getRRA(n) |
Return an object of type RRDRRA that can be used to access the values stored in the n-th Round Robin Archive. |
Note: This class is deprecated. Use RRDFilterOp instead.
This class filters out a subset of DSs from an RRD identified by index or name.
This class implements the following methods:
|
Method |
Description |
|---|---|
|
getMinSteps() |
Return the base interval in seconds that was used to feed the RRD file. |
|
getLastUpdate() |
Return the timestamp of the last update. |
|
getNrDSs() |
Return the number of Data Sources present in the RRD file. |
|
getDSNames() |
Return the names of the Data Sources present in the RRD file. |
|
getDS(id) |
If id is a number, return an object of type RRDDS holding the information about the id-th Data Source. If id is a string, return an object of type RRDDS holding the information about the Data Source with the requested name. |
|
getNrRRAs() |
Return the number of Round Robin Archives present in the RRD file. |
|
getRRAInfo(n) |
Return an object of type RRDRRAInfo holding the information about the n-th Round Robin Archive. |
|
getRRA(n) |
Return an object of type RRDRRA that can be used to access the values stored in the n-th Round Robin Archive. |
This class creates new, time-shifted RRAs. Originally developed for timezone shifting. Currently to be considered deprecated.
Arguments:
This class implements the following methods:
|
Method |
Description |
|---|---|
|
getMinSteps() |
Return the base interval in seconds that was used to feed the RRD file. |
|
getLastUpdate() |
Return the timestamp of the last update. |
|
getNrDSs() |
Return the number of Data Sources present in the RRD file. |
|
getDSNames() |
Return the names of the Data Sources present in the RRD file. |
|
getDS(id) |
If id is a number, return an object of type RRDDS holding the information about the id-th Data Source. If id is a string, return an object of type RRDDS holding the information about the Data Source with the requested name. |
|
getNrRRAs() |
Return the number of Round Robin Archives present in the RRD file. |
|
getRRAInfo(n) |
Return an object of type RRDRRAInfo holding the information about the n-th Round Robin Archive. |
|
getRRA(n) |
Return an object of type RRDRRA that can be used to access the values stored in the n-th Round Robin Archive. |
This class filters out a subset of DSs from an RRA identified by index or name.
The constructor has two arguments: rrd_rra (the RRA) and ds_list (the list of DSs to filter).
This class implements the following methods:
|
Method |
Description |
|---|---|
|
getIdx() |
Return which RRA it is in the RRD file. |
|
getNrRows() |
Return the number of rows in the RRA. |
|
getNrDSs() |
Return the number of DSs in the RRD file. |
|
getStep() |
Return the number of seconds between rows. |
|
getCFName() |
Return the Consolidation Function used by the RRA. |
|
getEl(r,d) |
Return the value for the d-th DS in the r-th row. |
|
getElFast(r,d) |
Return the low-precision value for the d-th DS in the r-th row. |
This class filters DSs from an RRD by using a user-provided filter object.
This class has three arguments: rrd_file, op_object (the filter object) and my_idx (index of new DS in case old one was modified by a filter).
This class implements the following methods:
|
Method |
Description |
|---|---|
|
getIdx() |
Return which DS it is in the RRD file. |
|
getName() |
Return the name of the data source. |
|
getType() |
Return the type of the data source. |
|
getMin() |
Return the minimum and maximum value the data source can contain. If either is not defined, undefined is returned. |
|
getMax() |
|
|
getRealDSList() |
Returns which DSs is being used in the Filter. |
|
ComputeResult() |
Return the computed result of the filter object on the DSs. |
The constructor has two arguments: the RRA and the Filter object for that RRA.
The filter changes the NrRows (number of rows) and the way the elements are fetched (getEl and getElFast).
All other attributes are copied from the base RRA (the rra given in the arguments).
|
Method |
Description |
|---|---|
|
getIdx() |
Return which RRA it is in the RRD file (real index, not base RRA index). |
|
getNrRows() |
Return the number of rows in the RRA. |
|
getNrDSs() |
Return the number of DSs in the RRD file. |
|
getStep() |
Return the number of seconds between rows. |
|
getCFName() |
Return the Consolidation Function used by the RRA. |
|
getEl(r,d) |
Return the value for the d-th DS in the r-th row, modified by the filter. |
|
getElFast(r,d) |
Return the low-precision value for the d-th DS in the r-th row, modified by the filter. |
This class implements the methods needed to access the new RRA. The filter only changes the PdpPerRow.
|
Method |
Description |
|---|---|
|
getIdx() |
Return which RRA it is in the RRD file. |
|
getNrRows() |
Return the number of rows in the RRA. |
|
getStep() |
Return the number of seconds between rows. |
|
getCFName() |
Return the Consolidation Function used by the RRA. |
|
getPdpPerRow() |
Return number of slots used for consolidation. |
|
This module is part of the javascriptRRD
package hosted at http://javascriptrrd.sourceforge.net.
|


--- creation_epoch:<PHONE_NUMBER> lastmod_epoch:<PHONE_NUMBER> categories: Programming title: Perl issues with opendir (or File::Find) on Windows file systems with Junction directories --- So I had a simple Perl script that was recursively search through directories with opendir and throwing "Invalid argument" errors on some of the child folders.
Below is some sample code:
# Tested on Windows 7 # # Strawberry Perl # perl 5, version 12, subversion 3 (v5.12.3) built for MSWin32-x64-multi-thread use strict; use warnings; # Either style of slashes fails # my $junctionDir = "C:/Users/rbeede/Documents/My Pictures/"; my $junctionDir = "C:\\Users\\rbeede\\Documents\\My Pictures"; print "$junctionDir is a symbolic link? " . (-l $junctionDir ? 'yes' : 'no') . "\n"; print "\n"; opendir(DH, $junctionDir) || die("$!\n"); print readdir DH; close(DH);
Turns out the issue is with Windows NTFS "junction" links. These are not real directories, but instead point to other ones. They are similar to Linux's hard links. On Windows the normal "-l pathname" can't detect these as such so it isn't easy to skip over them.
I discovered that opendir fails because by default Windows 7 has very restrictive permissions on the folder. FILE_LIST_DIRECTORY is denied to Everyone so this seems to cause Perl to just fail with "Invalid argument." I wish the Perl error would have been more descriptive. See http://dabermania.blogspot.com/2011/05/windows-7-junction-directories-why-you.html for a good explanation.
I just chose to ignore the error since I knew the junction existed and didn't need to traverse it. If you want something that is platform dependent you could use the output from the "dir" command or possibly (untested) CPAN Win32::Symlink.


Icy roads cause headaches
by Rob GibsonEmergency crews were kept busy Friday morning after early-morning frost left some roadways, particularly bridges and overpasses slippery.
The overpass at John Hindle Dr. and Highway 97 was icy and was the scene of a four-vehicle collision at 8:40 a.m.
Emergency crews responded to the crash and everyone is reported to be out of their vehicles and there doesn't appear to be any serious injuries.


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2 instantiations of AssignLocalToClosureInstruction
System.Management.Automation (2)
engine\interpreter\InstructionList.cs (2)
612
Emit(s_assignLocalToClosure[index] ?? (s_assignLocalToClosure[index] = new
AssignLocalToClosureInstruction
(index)));
616
Emit(new
AssignLocalToClosureInstruction
(index));


Science Fiction and Horror
Attack of the 50 Foot Woman (1958)
Directed by: Nathan H. Juran
Starring: Alison Hayes, William Hudson, Yvette Vickers
A low-budget cult camp classic.
$8.99
The Day of the Triffids (1962)
Directed by: Steve Sekely
Starring: Howard Keel, Kieron Moore, Janatte Scott, Nicole Maurey, Mervyn Johns
A not-particularly-faithful adaptation of John Wyndham's classic novel.
$7.99
Forbidden Planet (1956)
Directed by: Fred M. Wilcox
Starring: Walter Pidgeon, Anne Francis, Leslie Nielsen, Warren Stevens, Robby the Robot
One of the great science fiction films of the 1950s, and the first appearance of science fiction icon Robby the Robot.
$13.99
King Kong (1933)
Directed by: Merian C. Cooper, Ernest B. Schoedsack
Starring: Fay Wray, Bruce Cabot, Robert Armstrong
The original classic stop-motion masterpiece. Who needs CGI anyway?
$11.99
The Mummy (1932)
Directed by: Karl Freund
Starring: Boris Karloff, Zita Johann, David Manners, Edward van Sloan
Boris Karloff, best known for his role as Frankenstein's Monster, takes on the guise of the ancient Egyptian priest Imhotep returned from the dead to seek his lost love.
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Plan 9 from Outer Space (1959)
Directed by: Ed Wood
Starring: Gregory Walcott, Mona McKinnon, Tom Keene, Tor Johnson, Dudley Manlove, Joanna Lee, John Breckinridge, Vampira, Bela Lugosi
Not much science and plenty of fiction. Considered by some to be the worst film ever made, it's so bad it's good!
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Tarantula (1955)
Directed by: Jack Arnold
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What's scarier than a 50 foot woman? A 100 foot spider! Not one for arachnophobes.
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