In this subsubsection the operational semantics of CHR in Prolog are presented informally. They do not differ essentially from other CHR systems.
When a constraint is called, it is considered an active constraint and the system will try to apply the rules to it. Rules are tried and executed sequentially in the order they are written.
A rule is conceptually tried for an active constraint in the following way. The active constraint is matched with a constraint in the head of the rule. If more constraints appear in the head they are looked for among the suspended constraints, which are called passive constraints in this context. If the necessary passive constraints can be found and all match with the head of the rule and the guard of the rule succeeds, the rule is committed and the body of the rule executed. If not all the necessary passive constraint can be found, the matching fails or the guard fails, the body is not executed and the process of trying and executing simply continues with the following rules. If for a rule, there are multiple constraints in the head, the active constraint will try the rule sequentially multiple times, each time trying to match with another constraint.
This process ends either when the active constraint disappears, i.e. it is removed by some rule, or after the last rule has been processed. In the latter case the active constraint becomes suspended.
A suspended constraint is eligible as a passive constraint for an active constraint. The other way it may interact again with the rules, is when a variable appearing in the constraint becomes bound to either a non-variable or another variable involved in one or more constraints. In that case the constraint is triggered, i.e. it becomes an active constraint and all the rules are tried.
Rule Types. There are three different kinds of rules, each with their specific semantics:
\
and then calls its body. It is an optimization of
simplification rules of the form:
constraints_1, constraints_2 <=> constraints_1, body
Namely, in the simpagation form:
constraints_1 \ constraints_2 <=> body
the constraints_1 constraints are not called in the body.
Rule Names. Naming a rule is optional and has no semantical meaning. It only functions as documentation for the programmer.
Pragmas. The semantics of the pragmas are:
passive(
Identifier)
Additional pragmas may be released in the future.
Options.
It is possible to specify options that apply to all the CHR rules in the module.
Options are specified with the chr_option/2
declaration:
:- chr_option(Option,Value).
and may appear in the file anywhere after the first constraints declaration.
Available options are:
check_guard_bindings
on
, to enable
the checks, and off
, to disable the checks. If this option is on,
any guard fails when it binds a variable that appears in the head of the rule.
When the option is off, the behavior of a binding in the guard is undefined.
optimize
full
, to enable all available
optimizations, and off
(the default), to disable all optimizations.
If optimization is enabled, debugging must be disabled.
debug
on
(the default) and off
. See
CHR Debugging for more details on debugging.


io
.
github
.
bkosaraju
.
utils
.
aws
.
emr
functions
package
functions
Visibility
Public
All
Type Members
class
ConfigMigrator
extends
Config
class
ExtractEMRSparkStepLog
extends
Config
with
Exceptions
class
GetClusterDetails
extends
Config
with
Exceptions
class
SparkCommandBuilder
extends
Config
with
Exceptions
Value Members
object
ConfigMigrator
object
ExtractEMRSparkStepLog
object
GetClusterDetails
object
SparkCommandBuilder
Ungrouped


Open Angel Arena 5.0.0 Update
General Changes
Reworked Map
: Moved base bosses towards inner corners. Moved fountains further away from the main area of the map. Corner bosses are not on a highground anymore. Shuffled camps and trees.
All bosses now have
-50%
magic resistance.
All bosses now have
25
armor (before some bosses had more than 25).
All bosses now give Experience (Tier 1 bosses give
1000
, Tier 2 bosses give
2000
and so on).
Roshan Protection is removed.
Roshan attack damage increased from 225-250 to
1000-1100
.
Roshan health increased from 1000 to
2500
.
Max Hero respawn time increased from 20 to
30
seconds.
Changed Experience gain on Hero kill from
62/NumberOfKillers
to
(20 + XPStreakBonus + 0.07*DyingHeroExperience)/NumberOfKillers
XPStreakBonus varies from 0 to 420. 60 for killing spree (3 kills in a row), 420 for beyond godlike (11 or more kills in a row).
Players now start with a
Yearning Spark
(see items) that can be upgraded into a Farming Spark that has stats and helps with gold generation. With an Upgrade Core, Farming Sparks can be combined with Boots of Speed into Farming Boots or Fool's Gold Boots.
Creep Assist Gold
: Heroes get 10% of the creep bounty if their ally killed a creep within 1500 radius of them. Creep Assist Gold effect can be increased with Travel Spark and Greater Travel Boots.
Neutral Creeps HP gain over time reduced by
40%
.
Neutral Creeps attack damage gain over time reduced by
20%
.
Effects of Fool's Gold Boots and Sparks are now paused during the duels.
Item Changes
Arcane Spark:
New Item
Requires:
Yearning Spark (0)
Recipe (600)
Total: 600
Provides:
+150 Mana
+575 Gold/Min
Active:
Replenish Mana: Restores 100 mana to all nearby allies.
Radius: 1200.
Cooldown: 55 seconds.
Greater Travel Boots:
Cooldown increased from 45 to
90
seconds.
Phase Spark:
New Item
Requires:
Yearning Spark (0)
Recipe (600)
Total: 600
Provides:
+10 Damage (MELEE)
+6 Damage (RANGED)
+3 Armor
Splinter Shot (3 splits, 50% damage)
Power Spark:
New Item
Requires:
Yearning Spark (0)
Recipe (600)
Total: 600
Provides:
+15 Attack Speed
+3 All Stats
+15% Splash/Cleave
Teleport Scroll:
Cooldown increased from 80 to
90
seconds.
Tranquil Spark:
New Item
Requires:
Yearning Spark (0)
Recipe (600)
Total: 600
Provides:
+7 Movement Speed
+5 HP Regen
Naturalize: Generate charges every 300 distance moved. At 100 charges, your next attack on a neutral creep will consume them to instantly kill it for 900 additional gold.
Travel Spark:
New Item
Requires:
Yearning Spark (0)
Recipe (600)
Total: 600
Provides:
+17 Movement Speed
+60% Creep Assist Gold
Active:
Teleport: Teleports you to any allied structure or unit, including heroes. Teleporting to a unit is interrupted if the target unit dies.
Cooldown: 45 seconds.
Upgrade Cores:
Can now be sold.
Upgrade Cores 2, 3 and 4 now has an active: Core Fission: After channeling for 3 seconds, split the core into 2 lower tier upgrade cores. This cannot be undone.
Yearning Spark:
New Item
Cannot have more than 1 (this also prevents having multiple farming boots).
Used for buying Farming Sparks (Arcane, Phase, Power, Tranquil and Travel Spark).
Hero Changes
Leshrac:
Level 20 Talent: +50 Pulse Nova damage increased to
+90
.
Level 25 Talent: +100 Diabolic Edict Explosions reduced to
+90
.
Lone Druid:
Level 25 Talent: -0.5 Spirit Bear Attack Time reduced to
-0.3
.
Shadow Fiend:
Level 25 Talent: -15 Presence of the Dark Lord armor reduction decreased to
-13
.
Previous
Home
Next


I went to ICML last week, and it was clear that deep learning is still creating a huge hype. Althought, there was a very interesting warning in a plenary talk:
We are using data as proxies for concepts
Léon Bottou (Facebook AI, Research), Two high stakes challenges in machine learning
Deep learning algorithms use a huge amount of data to train on the detection of elements of a certain ‘category’. For instance, in computer vision, a neural network is feed with thousands of images of a cars, in different situations, so the system can detect a car in a new image that it has not seen before. An interesting example he showed, was a car in a non-typical situation: inside a swimming pool. In this case, the system failed to recognize it. Of course, this may be a very important situation to detect in order to warn, for instance, the police. This failure was most probably due to the fact that the images that were used in the training set, didn’t show this situation, there were not enough examples for the system to learn that a car might be in a swimming pool, after all.
Another very interesting aspect was the final panel discussion. All the participants were very much into the deep learning research community, so I missed dissonant opinions. Anyway, a question that somebody in the audience posed, and had a very interesting answer, was if we should be afraid of this new artificial intelligence that we do not understand. The answer was very simiar from all of them “no”. I believe that they are completely right. We are teaching now machines to make sentences from a picture, a 2 year old kid can do this. What should be worrying us is the following:
- how humans are going to be dealing with all this new information. Information is power, as we have seen in the news lately (Snowden case, for instance), and humans are good at abusing power, thus a very thorough analysis should be done.
- The data analysis community should not make the population have to decided between participating in the world vs. giving all my data to internet entities. The machine learning community should develop tools to allow anonimity on the internet.


Chess Commander
Click the chessboard to record a command!
Check Page
Allow Speech
Make Move
New Game


ESPUserBytes
@interface ESPUserBytes : NSObject
The “user bytes” of an ESP device. For more info on the V1’s internal settings, see http://www.valentine1.com/Lab/techreport3.asp
-
Initializes user bytes with default values
Declaration
Objective-C
- (id)init;
Return Value
a newly initialized user bytes object
-
Initializes user bytes with default values and the provided v1 version.
Declaration
Objective-C
- (id)initWithV1Version:(NSUInteger)version;
Parameters
version
Version of the attached V1
Return Value
a newly initialized user bytes object
-
Initializes user bytes with the payload data of a received packet
Declaration
Objective-C
- (id)initWithData:(NSData *)data v1Version:(NSUInteger)version;
Parameters
data
the payload data from a respUserBytes or reqWriteUserBytes packet
version
the version of the target V1
Return Value
a newly initialized user bytes object
-
Initializes user bytes by copying data from another user bytes object
Declaration
Objective-C
- (id)initWithUserBytes:(ESPUserBytes *)userBytes;
Parameters
userBytes
the user bytes to copy from
Return Value
a newly initialized user bytes object
-
Tells whether the the user bytes are equal to another set of user bytes
Declaration
Objective-C
- (BOOL)isEqualToUserBytes:(ESPUserBytes *)userBytes;
Parameters
userBytes
the user bytes to compare
Return Value
YES if equal, NO if not equal
-
Sets all the user bytes back to 0xFF, the default value
Declaration
Objective-C
- (void)resetToDefaults;
-
The full payload data of the user bytes
Declaration
Objective-C
@property (nonatomic, readonly) NSData *data;
-
Version of the V1 this instance of user bytes belongs too
Declaration
Objective-C
@property (nonatomic) NSUInteger v1Version;
-
Toggles X band detection
Declaration
Objective-C
@property (nonatomic) BOOL XBandOn;
-
Toggles K band detection
Declaration
Objective-C
@property (nonatomic) BOOL KBandOn;
-
Toggles Ka band detection
Declaration
Objective-C
@property (nonatomic) BOOL KaBandOn;
-
Toggles laser detection
Declaration
Objective-C
@property (nonatomic) BOOL laserOn;
-
Adjusts the response of the signal-strength meter for Ka band
Declaration
Objective-C
@property (nonatomic) ESPBargraphSensitivity bargraphSensitivity;
-
Toggles the Ka False-Alarm Guard feature
Declaration
Objective-C
@property (nonatomic) BOOL KaFalseGuardOn;
-
Toggles initial muting of K-band under certain circumstances
Declaration
Objective-C
@property (nonatomic) BOOL KMutingOn;
-
Controls whether muted volume can be adjusted via the control lever on the V1
Declaration
Objective-C
@property (nonatomic) ESPMuteVolumeState muteVolumeState;
-
Controls how the volume of any Bogey Lock Tones are adjusted after pressing mute
Declaration
Objective-C
@property (nonatomic) ESPPostMuteBogeyLockVolumeState postMuteBogeyLockVolumeState;
-
Sets a time period of automatic muting of K-band alerts
Declaration
Objective-C
@property (nonatomic) ESPKMuteTimerValue KMuteTimer;
-
Toggles an automatic override of the K mute timer if the K-band signal strength exceeds 4 LEDs
Declaration
Objective-C
@property (nonatomic) BOOL KInitialUnmute4LightsOn;
-
Toggles an automatic override of the K mute timer if the K-band signal strength slowly rises to 6 LEDs
Declaration
Objective-C
@property (nonatomic) BOOL KPersistantUnmute6LightsOn;
-
Toggles automatic muting of K-band alerts from the rear
Declaration
Objective-C
@property (nonatomic) BOOL KRearMuteOn;
-
Toggles Ku band detection
Declaration
Objective-C
@property (nonatomic) BOOL KuBandOn;
-
Toggles POP radar detection
Declaration
Objective-C
@property (nonatomic) BOOL popOn;
-
Toggles Euro Mode
Declaration
Objective-C
@property (nonatomic) BOOL euroOn;
-
Toggles Euro X band detection
Declaration
Objective-C
@property (nonatomic) BOOL euroXBandOn;
-
Toggles the Traffic Monitor Filter/Junk-K Fighter
Declaration
Objective-C
@property (nonatomic) BOOL filterOn;
-
Toggles forced Legacy (pre-ESP) Concealed Display operation
Declaration
Objective-C
@property (nonatomic) BOOL forceLegacyCD;
-
Toggles Mute to Muted Volume
Declaration
Objective-C
@property (nonatomic) BOOL muteToMuteVolume;
-
Toggles load bogey lock tones after muting
Declaration
Objective-C
@property (nonatomic) BOOL BogeyLockToneLoadAfterMuting;
-
Toggles automatic X & K rear alert muting
Declaration
Objective-C
@property (nonatomic) BOOL MuteXAndKRear;
-
Toggles rear Laser alerts
Declaration
Objective-C
@property (nonatomic) BOOL LaserRear;
-
Toglles Custom Frequencies
Declaration
Objective-C
@property (nonatomic) BOOL CustomFrequencies;


{% extends "layouts/base.html" %} {% block title %} Authors {% endblock %} {% block plugin_stylesheets %}{% endblock plugin_stylesheets %} {% block stylesheets %} {% endblock stylesheets %} {% block content %}
We test the predictive accuracy of forecasts for the cumulative number of COVID-19 fatalities produced by several modelling teams and collected by the United States Centers for Disease Control and Prevention (CDC)
The tests rely on fixed-smoothing asymptotics that allow for accurate testing even in small samples, see Coroneo and Iacone (2020).
For more details see the working paper "Testing the predictive accuracy of COVID-19 forecasts" , by Laura Coroneo, Fabrizio Iacone, Alessia Paccagnini and Paulo Santos Monteiro.
Forecast evaluation for the number of cumulative deaths in the US made by eight forecasting teams:
Results for the United States for predictions made from May 18, 2020 to August 24, 2020 are reported below.
The figure reports the test statistic for the test of equal predictive accuracy using the weighted covariance estimator (WCE) of the long run variance and fixed-b asymptotics. The benchmark is a second degree polynomial model fitted on a rolling window of 5 observations. A positive value of the test statistic indicates lower loss for the forecaster, i.e. better performance of the forecaster relative to the polynomial model. Different loss functions are reported with different markers: plus refers to a quadratic loss function, diamond to the absolute loss function, filled circle to the absolute percentage loss function and empty circle to the asymmetric loss function. The dotted, dashed and continuous red horizontal lines denote respectively the 20%, 10% and 5% significance levels. The forecast horizons h are 1, 2, 3 and 4 weeks ahead.


NCP sacks Ajit Pawar as legislative party leader for siding with BJP
Earlier in the day, Devendra Fadnavis was back as chief minister with Ajit Pawar taking oath as deputy chief minister.
The NCP on Saturday evening removed Ajit Pawar as the party's legislature unit leader after he joined hands with the Bharatiya Janata Party (BJP) and took oath as the deputy chief minister of Maharashtra.
State Nationalist Congress Party (NCP) chief Jayant Patil will have all the constitutional rights till the next legislature party leader is elected.
Jayant Patil said, "Our MLAs will be back. We tried establishing contact with Ajit Pawar, we will be happy if he returns."
Jayant Patil said that the NCP has 42 MLAs and they are in touch with seven of them.
"Fadnavis will fail the floor test for sure," Jayant Patil said.
Ajit Pawar, the NCP chief Sharad Pawar's nephew, had been elected as the legislature party leader on October 30 following the results of the Maharashtra Assembly elections.
Ajit Pawar's right to issue a whip were also revoked. The party authorized Sharad Pawar and Jayant Patil to decide its stand in light of the developments.
The dramatic swearing-in of Bharatiya Janata Party's (BJP) Devendra Fadnavis as chief minister and Sharad Pawar's nephew Ajit Pawar as his deputy was preceded by days of talks between key party leaders and the junior Pawar, who was facing probe in corruption cases being investigated by central agencies.
NOTE: Story's earlier version carried Dilip Walse taking over Ajit Pawar's post but amended report says Jayant Patil has replaced Ajit Pawar as NCP legislative party leader and not Dilip Walse Patil. The story has been updated as per the latest report.


Calculators 1
Altitude Correction for Air Temperature
Compass Error from Amplitudes Observed on the Celestial Horizon
Correction of Barometer Reading for Gravity
Correction of Barometer Reading for Temperature
Correction of Barometer Reading for Height Above Sea Level
Correction of Barometer Reading for Temperature
Distance of an Object by Two Bearings
Compass Error from Amplitudes Observed on the Visible Horizon
Length of a Degree of Latitude and Longitude
Dip of the Sea Short of the Horizon
Calculators 2
Altitude Factors and Change of Altitude in a Given Time from Meridian Transit
Great Circle Sailing
Distance of the Horizon
Relative Humidity and Dew Point
Latitude and Longitude Factors
Barometer Measurement Conversions
Meridian Angle and Altitude of a Body on the Prime Vertical Circle
Conversion for Meters, Feet and Fathoms
Mercator Sailing
Table of Offsets
Meridional Parts
Altitude Correction for Atmospheric Pressure
Geographic Range
Calculators 3
Natural and Numerical Chart Scales
Speed for Measured Mile
Sight Reduction Tables for Marine Navigation (Pub. No. 229)
Temperature Conversions
Traverse
Logarithmic and Trigonometric Functions Calculator
Distance by Vertical Angle Measured Between Sea Horizon and Top of Object Beyond Sea Horizon
Distance by Vertical Angle Measured Between Waterline at Object and Top of Object
Distance by Vertical Angle Measured Between Waterline at Object and Sea Horizon Beyond Object
Direction and Speed of True Wind
Time Zones, Zone Descriptions, and Suffixes


Computer graphics in Game development
Ivan Belyavtsev
19.02.2021
To engage API validation:
D3D12GetDebugInterface
function to get debug controllerEnableDebugLayer
method of the debug controllerDXGI_CREATE_FACTORY_DEBUG
flag in further DXGI factory creation [1]CreateDXGIFactory*
function to create a DXGI factory (don’t forget about flags)EnumAdapters*
method to find HWEnumAdapters
for adapter #0 gives us a pointer to the primary display adapter [1]D3D12CreateDevice
function to create a DX12 deviceCreateCommandQueue
method of DX12 device to create a direct queue [1]CreateSwapChainForHwnd
method of the DXGI factory with Direct queue, window handler and swap chain descriptorMakeWindowAssociation
method of the DXGI factory with window handler and DXGI_MWA_NO_ALT_ENTER


9.12 Binary Search #homework
import random
import time
def search_linear(xs, target):
""" Find and return the index of target in sequence xs """
for i in range(len(xs)):
if xs[i]== target:
return i
return -1
def search_binary_iter(xs, target):
""" Find and return the index of key in sequence xs """
c = len(xs)
up = c
down = 0
mid = 0
while 1:
if up - down == 0:
return -1
mid = (up + down) // 2
if xs[mid] < target:
down = mid + 1
elif xs[mid] > target:
up = mid
elif xs[mid] == target:
return 1
def search_binary_recur(xs, target):
up = len(xs)
down = 0
if up - down == 0:
return -1
mid = (up + down) // 2
if xs[mid] < target:
xs = xs[mid : (up - 1)]
search_binary_recur(xs, target)
elif xs[mid] > target:
xs = xs[down : (mid - 1)]
search_binary_recur(xs, target)
elif xs[mid] == target:
return 1
def find_unknown_words(vocab, wds, method):
""" Return a list of words in wds that do not occur in vocab """
result = []
if method == 1:
for w in wds:
if (search_linear(vocab, w) < 0):
result.append(w)
else:
vocab.sort()
if method == 2:
for w in wds:
if (search_binary_recur(vocab, w) < 0):
result.append(w)
else:
for w in wds:
if (search_binary_iter(vocab, w) < 0):
result.append(w)
return result
def load_words_from_file(filename):
""" Read words from filename, return list of words. """
f = open(filename, "r")
file_content = f.read()
f.close()
wds = file_content.split()
return wds
def text_to_words(the_text):
""" return a list of words with all punctuation removed,
and all in lowercase.
"""
my_substitutions = the_text.maketrans(
# If you find any of these
"ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!\"#$%&()*+,-./:;<=>?@[]^_`{|}~'\\",
# Replace them by these
"abcdefghijklmnopqrstuvwxyz ")
# Translate the text now.
cleaned_text = the_text.translate(my_substitutions)
wds = cleaned_text.split()
return wds
def get_words_in_book(filename):
""" Read a book from filename, and return a list of its words. """
f = open(filename, "r")
content = f.read()
f.close()
wds = text_to_words(content)
return wds
bigger_vocab = load_words_from_file("vocab.txt")
print("There are {0} words in the vocab, starting with\n {1} "
.format(len(bigger_vocab), bigger_vocab[:6]))
book_words = get_words_in_book("alice_in_wonderland.txt")
print("There are {0} words in the book, the first 100 are\n{1}".
format(len(book_words), book_words[:100]))
# t0 = time.clock()
# missing_words = find_unknown_words_linear(bigger_vocab, book_words)
# t1 = time.clock()
# print("Search linear: There are {0} unknown words.".format(len(missing_words)))
# print("That took {0:.4f} seconds.".format(t1-t0))
t0 = time.clock()
missing_words = find_unknown_words(bigger_vocab, book_words, 2)
t1 = time.clock()
print("There are {0} unknown words.".format(len(missing_words)))
print("That took {0:.4f} seconds.".format(t1-t0))


| Relationship | Related Entity | Required | Multiple | Navigable | Description | |
|---|---|---|---|---|---|---|
| Tasks | Task | - | ✔ | ✔ |
|
|
| User Profile | UserProfile | - | - | ✔ |
|
| Property | Type | Required | Initializable | Editable | Description | |
|---|---|---|---|---|---|---|
| Description | String | ✔ | ✔ | ✔ |
|
|
| Details | Memo | - | ✔ | ✔ |
|
|
| Status | Status | - | - | - |
|
|
| Opening Date | Date | - | ✔ | - |
|
|
| Completion Date | Date | - | - | - |
|
| Relationship | Related Entity | Required | Multiple | Navigable | Description | |
|---|---|---|---|---|---|---|
| Assignee | Contributor | - | - | ✔ |
|
| Action | Parameters | Description | |||||
|---|---|---|---|---|---|---|---|
| Complete (public) | - |
|
|||||
| Reassign (public) | New Assignee (Contributor) |
|
|||||
| Reopen (public) | - |
|
| Query | Parameters | Description | |||
|---|---|---|---|---|---|
| Open Tasks (public) | - |
|
|||
| Open Tasks For (public) | contributor (Contributor) |
|
|||
| Tasks Completed Today (public) | - |
|
|||
| Tasks Opened On (public) | date (Date) |
|
|||
| Tasks Opened Today (public) | - |
|
| Name | Description | Transitions |
|---|---|---|
| Open | - |
|
| Completed | - |
|


MATT BRIGIDA
Associate Professor of Finance (SUNY Polytechnic Institute) & Financial Education Advisor, Milken Institute Center for Financial Markets
The presentation follows, and you can also see this video lecture:
Risk Taken (scale from 0 to 100):
Risk:
Stock Price = $
Cash Flows = $
Click the following links to see the code, authors of this presentation.
If you would like to make any additions or corrections to this presentation, visit our GitHub repository page to learn more about how to contribute.


The Temple Gatekeeper:
Show your Mark or be gone from my sight!
Only those who possess the Pagan's Mark may pass through this gate!


7:30
Registration & Breakfast
9:00
Welcome & Introduction
Conference Organizers & Lesley Cowley OBE
9:15 AM
Opening Keynote: Serverless - more FinDev than DevOps
Yan Cui
09:45
Serverless Cheat Sheet for Business Discussions
Hendric Ruesch
09:55
Serverless and CI/CD
Dean Bryen
10:15
Serverless and Chatbots: A Match Made in the Cloud
Gillian Armstrong
11:15
Adventures in Apache OpenWhisk
Rob Allen
11:40
Accelerating Business Delivery With Serverless
Simon Williams
11:55
Build Scalable APIs using GraphQL and Serverless
Simona Cotin
12:25
Good Security Made Easier with Serverless
National Cyber Security Centre
13:45
Serverless Analytics on AWS (for absolute beginners)
Ian Massingham
14:15
Server or Serverless: The AMPLYFI Story
Dr Liam Betsworth
14:25
Serverless beyond functions: Google's mobile, big data, and machine learning serverless tools
Bret McGowen
14:55
Security: the Serverless Future
Olga Skobeleva
15:50
Testing serverless applications
Slobodan Stojanović
16:20
Azure Logic Apps - Serverless + Codeless
Matthew Fortunka
16:40
Meta-programming in lambda- for bad and for worse
Tom Wallace
17:05
Taking Serverless to the Next Level
Danilo Poccia
17:35
Closing Remarks
Conference Organizers
17:45 - 21:00
Happy hour & Networking


--- layout: page title: "Developing Backbone.js Applications" prev: OEBPS/ch01s06.html next: OEBPS/ch01s08.html book_path: books/developing-backbone-js-applications-addy-osmani--_oeb/ --- {% include JB/setup %} {% raw %}
There are very few, if any architectural JavaScript frameworks that claim to implement the MVC or MVP patterns in their classical form as many JavaScript developers don’t view MVC and MVP as being mutually exclusive (we are actually more likely to see MVP strictly implemented when looking at web frameworks such as ASP.net or GWT). This is because it’s possible to have additional presenter/view logic in your application and yet still consider it a flavor of MVC.
Backbone contributor Irene
Ros subscribes to this way of thinking as when she separates
Backbone views out into their own distinct components, she needs
something to actually assemble them for her. This could either be a
controller route (such as a Backbone.Router
,
covered later in the book) or a callback in response to data being
fetched.
That said, some developers do however feel that Backbone.js better fits the description of MVP than it does MVC . Their view is that:
The presenter in MVP better describes the
Backbone.View
(the layer between View
templates and the data bound to it) than a controller does
The model fits Backbone.Model
(it isn’t that
different from the classical MVC
“Model”)
The views best represent templates (e.g Handlebars/Mustache markup templates)
A response to this could be that the view can also just be a View
(as per MVC) because Backbone is flexible enough to let it be used
for multiple purposes. The V in MVC and the P in MVP can both be
accomplished by Backbone.View
because they’re
able to achieve two purposes: both rendering atomic components and
assembling those components rendered by other views.
We’ve also seen that in Backbone the responsibility of a controller is shared with both the Backbone.View and Backbone.Router and in the following example we can actually see that aspects of that are certainly true.
Here, our Backbone PhotoView
uses the Observer
pattern to “subscribe” to changes to a View’s model in
the line this.model.on('change',...)
. It also
handles templating in the render()
method, but
unlike some other implementations, user interaction is also handled
in the View (see events
).
var
PhotoView
=
Backbone
.
View
.
extend
({
//... is a list tag.
tagName
:
"li"
,
// Pass the contents of the photo template through a templating
// function, cache it for a single photo
template
:
_
.
template
(
$
(
'#photo-template'
).
html
()),
// The DOM events specific to an item.
events
:
{
"click img"
:
"toggleViewed"
},
// The PhotoView listens for changes to its model, re-rendering. Since there's
// a one-to-one correspondence between a **Photo** and a **PhotoView** in this
// app, we set a direct reference on the model for convenience.
initialize
:
function
()
{
_
.
bindAll
(
this
,
'render'
);
this
.
model
.
on
(
'change'
,
this
.
render
);
this
.
model
.
on
(
'destroy'
,
this
.
remove
);
},
// Re-render the photo entry
render
:
function
()
{
this
.
$el
.
html
(
this
.
template
(
this
.
model
.
toJSON
()));
return
this
;
},
// Toggle the `"viewed"` state of the model.
toggleViewed
:
function
()
{
this
.
model
.
viewed
();
}
});
Another (quite different) opinion is that Backbone more closely resembles Smalltalk-80 MVC, which we went through earlier.
As regular Backbone user Derick Bailey has written, it’s ultimately best not to force Backbone to fit any specific design patterns. Design patterns should be considered flexible guides to how applications may be structured and in this respect, Backbone doesn’t fit either MVC nor MVP perfectly. Instead, it borrows some of the best concepts from multiple architectural patterns and creates a flexible framework that just works well. Call it the Backbone way, MV* or whatever helps reference its flavor of application architecture.
It is however worth understanding where and why these concepts originated, so I hope that my explanations of MVC and MVP have been of help. Most structural JavaScript frameworks will adopt their own take on classical patterns, either intentionally or by accident, but the important thing is that they help us develop applications which are organized, clean and can be easily maintained.


{% extends 'gallery/base.html' %} {% load static %} {% block content %}
Documents are interactive documents that combine text, graphics and data analysis. They live right in your browser and allow you to gain insight from the data analysis they provide. Once you have found a document you like, just click the button on the document page to run it on your own data!
Our community contributed ready-to-use documents for many different personal data sources. Click the buttons below to find documents that analyze data from the most popular sources:
{%for source in data_sources%} {{source}} {%endfor%}
| Title | Data sources |
|---|---|
{{document.document_name}}
by {{document.full_user_name}}
|
{%for source in document.get_data_sources_json%} {{source}} {%endfor%} |


The World Is Not Enough (8/10)
The World Is Not Enough is a James Bond film. The rest of this review is optional reading, since you now know all you need to.
The film, the third in the series to star Pierce Brosnan as 007, is the familiar mix of outrageous globe-trotting action, eye-popping gadgets and unfeasibly beautiful girls. The plot is hardly worth mentioning since you've seen it 18 times before, the traditional lunatic villain played this time by Robert Carlyle. The whole thing is utterly barmy, but if we accept that the best the Bond series can offer is a silly but stylish romp, then James Bond XIX succeeds as well as any of its predecessors.
We know what to expect from a Bond film, and the production team has to balance the need to deliver the goods against the danger of the formula becoming stale. There never was a time when the Bond films were realistic - they have always taken place in a world constructed in the fantasies of teenage boys, so the film-makers also have to preserve Bond's timeless quality yet make the film relevant to a modern audience. The team behind this Bond have got it just about right. Director Michael Apted is better known for his documentaries and character-based films such as 'Nell' and 'Gorillas In the Mist', and he handles this change of pace well, although much of the credit should probably go to editor Jim Clark and second unit director Vic Armstrong.
Pierce Brosnan is at least the second-best Bond there's been, but it's probably sacrilege to even suggest he might be better than you-know-who. He brings a cool, suave viciousness back to the role that went out of fashion for a decade or two but can work again in our ironic post- feminist post-modernist post-everything world.
There are three main female characters. We are meant to believe that Christmas Jones (Denise Richards) is a physicist helping to dismantle nuclear weapons in the wastes of a former Soviet republic, but our credulity is severely tested by her jaw-dropping Lara Croft costume which barely contains her jaw-dropping Lara Croft figure. Given the concentration demanded of the work she and her male colleagues are carrying out, her T-shirt would surely have been banned on grounds of safety. Pleasing on the eye though Dr. Jones is, she is a depressing throwback to the Bond bimbos of the past, and like the character she plays, Denise Richards is pretty but pretty useless. Thank goodness for Elektra King (Sophie Marceau), a much better-drawn and more complex female character than those 007 usually encounters. The other leading lady, and the classiest of the lot, is the wonderful Judi Dench, who in her third outing as M gets more involved in the action that the character ever has before.
Despite its lapses into some unfortunate features of Bondage past, The World Is Not Enough confirms that the dismal days of the later Roger Moore films are now just a bad memory, and the franchise that once seemed culturally if not financially bankrupt is once again in good shape. But then again, it is just a Bond film.
--
Gary Jones
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


Loading...
@(prismLookup: resources.PrismLookup)(implicit request: Security.AuthenticatedRequest[AnyContent, com.gu.googleauth.UserIdentity]) @import deployment.DeployFilterPagination @main("Deployment history", request, List("auto-refresh", "history-dropdown", "autorefresh-rowlink", "graph", "relative-time", "form-autocomplete")) {
Loading...


Bingham residents in shock as bodies of man and woman discovered at home
'It’s truly heartbreaking to hear. I can’t believe it.'
by Ben ReidResidents have spoken of their "devastation" and shock at the tragedy of two bodies being found at a house in a Nottinghamshire town.
Police are investigating the circumstances surrounding the discovery of the man and the woman at the property in Porchester Road, Bingham. A neighbour understood that a couple lived there.
Officers were called to the scene just before 3.40pm on Wednesday, November 13.
Emergency services remained at the house on Wednesday night, with inquiries said to be at an early stage.
A crime scene investigation van was also at the address.
No arrests have been made.
Alex Harris, a 33-year-old mum, who lives in the town, added: “This has really shocked me so much.
 Then when you see it, it hits home. The air ambulance landed nearby to go and help, I believe. It’s just so sad.”
Mark Gates, 55, of Bingham, who was walking his dog past the cordon, said: “Incredibly sad news. It's awful seeing the police there and the house taped off. That’s a family’s life changed forever.”
Tom Anderson, 39, of Bingham, said: “I had to double take when I heard what had happened. It’s truly heartbreaking to hear. I can’t believe it. I'm sure more details will come out as to what happened but it’s so sad.
 But I think everyone will be so shocked and upset by this.”
Francis Purdue-Horan, Conservative councillor for Bingham West, told Nottinghamshire Live: "I passed the scene at around 4pm when on my way into West Bridgford for a meeting. I saw all the police tape and officers and thought it was very serious.
"It's a shock and is very sad. Whatever tragedy has happened, we are all shocked at seeing those events.
"To see something like this in Bingham, which is still a small community in the scheme of things, is very shocking. But ultimately it's the family that are going to have to grieve and come to terms with such a tragedy."
A woman who lives near to the police cordon said the news was “devastating”.
She told Nottinghamshire Live: “It is very shocking to see so many police here. We don’t have a police station in Bingham, so to see that many police and tape all up was really devastating.
“We don’t know the family. But it is so sad. It was shocking and haunting to come home to that news."


| eval_tidy_ {rlang} | R Documentation |
This function is defunct as of rlang 0.3.0.
eval_tidy_(expr, bottom, top = NULL, env = caller_env())
expr |
An expression or quosure to evaluate. |
bottom |
The environment containing masking objects if the data mask is one environment deep. The bottom environment if the data mask comprises multiple environment. |
top |
The last environment of the data mask. If the data mask
is only one environment deep, |
env |
The environment in which to evaluate |


Prompt for Friday, Feb. 5. Arrays. Introduction to D3
Hello!
We'll start by using d3 to select DOM elements, create new elements, and modify the content and appearance of elements.
1. How can we select elements? What is the difference between select() and selectAll()?
2. How can we create new elements, and set their attributes and styles?
3. How do we update the attributes of existing elements?
Gravitational covers, Jan Willem Tulp
The Galaxy of Covers shows information about the most commonly covered songs. We've been thinking of graphics as ways of transforming tables of data into visual elements. What are the "scales" that this tool is using? How effective are they? What do you notice first, and how accurately could you reconstruct the original data table?
I heard about this via Twitter from designer Jan Willem Tulp, who has a
great interview with Andy Kirk. Both of them are worth paying attention to!


50-Piece Phillips Safety Marker Set
| Stock # | Description | Price | ||
|---|---|---|---|---|
| LM-SET | 50-Piece Marker Set | $553.85 |
Includes the following, 1 each:
18" x 18" Peg Board
Numbers: 0-9
L, R,
1 (quantity) arrow
1 each of the following:
MN, CM, HR, 1/2, AP, PA, LPO, RPO, LAO, RAO, KUB, PORT, SCOUT, OPEN, P EVAC, P VOID, cWT, ERECT, PRONE, DECUB, SUPINE, STAND, UPRIGHT, RECUMB, RENDEL, CLOSED, DELAYED, LATERAL, OBLIQUE, FLEXION, EXTENSION, EXPIRATION, WT BEARING, STRESS, COMPARISON, PORTABLE
Numbers and "L" on blue background, all others on red background.
18" x 18" Peg Board
Numbers: 0-9
L, R,
1 (quantity) arrow
1 each of the following:
MN, CM, HR, 1/2, AP, PA, LPO, RPO, LAO, RAO, KUB, PORT, SCOUT, OPEN, P EVAC, P VOID, cWT, ERECT, PRONE, DECUB, SUPINE, STAND, UPRIGHT, RECUMB, RENDEL, CLOSED, DELAYED, LATERAL, OBLIQUE, FLEXION, EXTENSION, EXPIRATION, WT BEARING, STRESS, COMPARISON, PORTABLE
Numbers and "L" on blue background, all others on red background.


The Bomb Deterrence
By Ross Anthony
Unelected President Emerson (Kevin Pollak) and entourage are snowed into a small town greasy spoon someplace in Colorado somewhere around the year 2008 and a few minutes after Hussein's son decides to blow away the handful of US peacekeeping troops in Iraq and reinvade Kuwait.
With Timothy Hutton as the president's right hand adviser (and old college buddy), and Sheryl Lee Ralph as military adviser; Pollak isn't interested in playing games with this foreign aggression. Remembering Bush's little escapade with that pesky older Hussein, Pollak cracks, "I'm not gonna just drop a couple of Tomahawks on Iraq and say 'How do you like dem apples?'"
IBS (the CNN of the future) cut-always fill us (the audience) in on this president's less than presidential appearance and demeanor at the culmination of his election campaign. Perhaps motivated by a hidden agenda or maybe because he's seeking to blow apart his "very second banana" aura, Pollak plays tough and threatens to drop the big one on Baghdad.
>From there, the film plays like the 60's thriller "Fail Safe" where Henry Fonda negotiates with the Russian president via telephone while one of our accidentally launched warheads cruises toward Moscow. That, by the way, is a pretty good film and similarly thought provoking.
"Deterrence" is a little rough in the launch. In fact, you might suspect the whole invasion thing to be a hoax (a la, "Wag the Dog"), however, soon enough the slack in the rope tightens, pulling you in as it holds you tense. And even though the production never leaves that little diner, the strategic political and military scenarios, personalities, ethics and personal beliefs let fly like warheads from around the globe and entangle in a drama rich enough to fill the screen. Will he really release the first nuke in 60 years "wiping out a civilization where civilization began?" And if so will the pilots of that unlucky B2 lose their nerve? "More men have walked the moon than have done what we're about to do," they reveal to the president over an unsecured phone-line into the diner, "I guess that's why we get the big bucks."
Ironically the entertainment arc of this film follows that of a launched missile. Discussing the ending would defuse the picture, let's just say that I preferred the over all message of "Fail Safe" to my interpretation of "Deterrence." But as writer/director Rod Lurie asserts, this is a film open to many interpretations of which his and mine are only two.
Deterrence. Copyright © 2000. Starring Kevin Pollak, Timothy Hutton, Sheryl Lee Ralph, Sean Astin, Bajda Djola, Mark Thompson, Michael Mantell, Kathryn Morris, Clotilde Courau, and Ryan Cutrona Writer/Director Rod Lurie. Produced by Marc Frydman and James Spies at Paramount Classics.
Grade..........................B
-- Copyright © 2000. Ross Anthony, currently based in Los Angeles, has scripted and shot documentaries, music videos, and shorts in 35 countries across North America, Europe, Africa and Asia. For more reviews visit: http://RossAnthony.com
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


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WAITS
`Prev `__
W
`Next `__
--------------
**WAITS**: /wayts/, n.
The mutant cousin of `*TOPS-10* <../T/TOPS-10.html>`__ used on a handful
of systems at `*SAIL* <../S/SAIL.html>`__ up to 1990. There was never an
‘official’ expansion of WAITS (the name itself having been arrived at by
a rather sideways process), but it was frequently glossed as ‘West-coast
Alternative to ITS’. Though WAITS was less visible than ITS, there was
frequent exchange of people and ideas between the two communities, and
innovations pioneered at WAITS exerted enormous indirect influence. The
early screen modes of `*EMACS* <../E/EMACS.html>`__, for example, were
directly inspired by WAITS's ‘E’ editor — one of a family of editors
that were the first to do ‘real-time editing’, in which the editing
commands were invisible and where one typed text at the point of
insertion/overwriting. The modern style of multi-region windowing is
said to have originated there, and WAITS alumni at XEROX PARC and
elsewhere played major roles in the developments that led to the XEROX
Star, the Macintosh, and the Sun workstations. Also invented there were
`*bucky bits* <../B/bucky-bits.html>`__ — thus, the ALT key on every IBM
PC is a WAITS legacy. One WAITS feature very notable in pre-Web days was
a news-wire interface that allowed WAITS hackers to read, store, and
filter AP and UPI dispatches from their terminals; the system also
featured a still-unusual level of support for what is now called
multimedia computing, allowing analog audio and video signals to be
switched to programming terminals.
--------------
+---------------------------+----------------------------+--------------------------+
| `Prev `__ | `Up <../W.html>`__ | `Next `__ |
+---------------------------+----------------------------+--------------------------+
| wabbit | `Home <../index.html>`__ | waldo |
+---------------------------+----------------------------+--------------------------+


French leader PSG humiliated at struggling Dijon 2-1
by JEROME PUGMIREPARIS (AP) - French league leader Paris Saint-Germain slipped to a humiliating defeat at struggling Dijon 2-1 on Friday, despite taking an early lead through star striker Kylian Mbappé.
Dijon started the match in last place and had conceded 28 goals in its past eight matches against PSG, but won with goals either side of halftime to hand the defending champion its third league defeat in 12 matches this season.
“The coach told us that sometimes PSG can drop off a bit and it’s down to us to take advantage,” Dijon captain Julio Tavares said.
Although the surprise loss makes little difference to the standings given PSG’s lack of consistent challengers - Nantes is eight points behind in second place, albeit with a game in hand - it highlights a lingering complacency the big-spending club still seems unable to resolve.
“We weren’t strong enough in the tackles, we have quality but we were missing too many things,” PSG captain Marquinhos said. “We have to bounce back and play much better in the next match …we were too comfortable.”
Having set up both of Mbappé’s goals in Sunday’s 4-0 home win against Marseille, winger Angel Di Maria put Mbappe clean through in the 19th minute and he finished confidently past goalkeeper Alfred Gomis with the outside of his right foot.
But PSG conceded a soft goal in the fifth minute of first-half injury time when goalkeeper Keylor Navas spilled a cross from the right and striker Mounir Chouiar equalized.
Two minutes after the restart the home side led when Venezuelan forward Jhonder Cádiz beat three players and struck a low shot past Navas, who joined in the offseason from Real Madrid.
Di Maria blazed over after being set up by Mbappé and midfielder Leandro Paredes hit the post soon after for PSG.
Dijon moved it up to 18th place, which is the promotion-relegation playoff spot.
More AP soccer: https://apnews.com/Soccer and https://twitter.com/AP_Sports
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Please read our comment policy before commenting.


Web Font Loader
Loading fonts via Typekit font loader
| pros | cons |
|---|---|
| Works anywhere | JS |
| Easy to start | Flash of Unstyled Text.(if loaded asynchronously) |
| Can be loaded synchronously to avoid FOUT but blocks page rendering | Small flashing on every page loaded (with/without a cache) |


The Via header only has parameters, no headers. Parameters of from ...;name=value;name2=value2
Specific parameters: ttl, maddr, received, branch.
From page 179 of RFC3261:
"Even though this specification mandates that the branch parameter be
present in all requests, the BNF for the header field indicates that
it is optional."
The branch parameter on a Via therefore appears to be optionally mandatory?!
Any SIP application element that uses transactions depends on the branch parameter for transaction matching.
Only the top Via header branch is used for transactions though so if the request has made it to this stack
with missing branches then in theory it should be safe to proceed. It will be left up to the SIPTransaction
class to reject any SIP requests that are missing the necessary branch.
Inheritance
System.Object
SIPViaHeader
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
Assembly: SIPSorcery.dll
public class SIPViaHeader
Constructors
|
Improve this Doc
View Source
Declaration
|
Improve this Doc
View Source
Declaration
public SIPViaHeader(SIPEndPoint localEndPoint, string branch)
Parameters
| Type |
Name |
Description |
| SIPEndPoint |
localEndPoint |
|
| System.String |
branch |
|
|
Improve this Doc
View Source
Declaration
public SIPViaHeader(IPEndPoint contactEndPoint, string branch)
Parameters
| Type |
Name |
Description |
| System.Net.IPEndPoint |
contactEndPoint |
|
| System.String |
branch |
|
|
Improve this Doc
View Source
Declaration
public SIPViaHeader(IPEndPoint contactEndPoint, string branch, SIPProtocolsEnum protocol)
Parameters
| Type |
Name |
Description |
| System.Net.IPEndPoint |
contactEndPoint |
|
| System.String |
branch |
|
| SIPProtocolsEnum |
protocol |
|
|
Improve this Doc
View Source
Declaration
public SIPViaHeader(string contactIPAddress, int contactPort, string branch)
Parameters
| Type |
Name |
Description |
| System.String |
contactIPAddress |
|
| System.Int32 |
contactPort |
|
| System.String |
branch |
|
|
Improve this Doc
View Source
Declaration
public SIPViaHeader(string contactIPAddress, int contactPort, string branch, SIPProtocolsEnum protocol)
Parameters
| Type |
Name |
Description |
| System.String |
contactIPAddress |
|
| System.Int32 |
contactPort |
|
| System.String |
branch |
|
| SIPProtocolsEnum |
protocol |
|
|
Improve this Doc
View Source
Declaration
public SIPViaHeader(string contactEndPoint, string branch)
Parameters
| Type |
Name |
Description |
| System.String |
contactEndPoint |
|
| System.String |
branch |
|
Fields
|
Improve this Doc
View Source
Declaration
Field Value
| Type |
Description |
| System.String |
|
|
Improve this Doc
View Source
Declaration
Field Value
| Type |
Description |
| System.Int32 |
|
|
Improve this Doc
View Source
Declaration
public SIPProtocolsEnum Transport
Field Value
|
Improve this Doc
View Source
Declaration
Field Value
| Type |
Description |
| System.String |
|
|
Improve this Doc
View Source
Declaration
public SIPParameters ViaParameters
Field Value
Properties
|
Improve this Doc
View Source
Declaration
public string Branch { get; set; }
Property Value
| Type |
Description |
| System.String |
|
|
Improve this Doc
View Source
Declaration
public string ContactAddress { get; }
Property Value
| Type |
Description |
| System.String |
|
|
Improve this Doc
View Source
Declaration
public string ReceivedFromAddress { get; }
Property Value
| Type |
Description |
| System.String |
|
|
Improve this Doc
View Source
Declaration
public string ReceivedFromIPAddress { get; set; }
Property Value
| Type |
Description |
| System.String |
|
|
Improve this Doc
View Source
Declaration
public int ReceivedFromPort { get; set; }
Property Value
| Type |
Description |
| System.Int32 |
|
Methods
|
Improve this Doc
View Source
Special SIP Via header that is recognised by the SIP transport classes Send methods. At send time this header will be replaced by
one with IP end point details that reflect the socket the request or response was sent from.
Declaration
public static SIPViaHeader GetDefaultSIPViaHeader()
Returns
|
Improve this Doc
View Source
Declaration
public static SIPViaHeader[] ParseSIPViaHeader(string viaHeaderStr)
Parameters
| Type |
Name |
Description |
| System.String |
viaHeaderStr |
|
Returns
|
Improve this Doc
View Source
Declaration
Returns
| Type |
Description |
| System.String |
|


Shipping
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Verify order details


fornt-end web development is everything involved in programming the user interface of a web application. Typically it refers to the Hypertext Markup Language(HTML), Cascading Style Sheets(CSS) and JavaScript portion of web site production as opposed to the database or server-side programming.It encompasses from buildign a simpel page of HTML text to creating complex, responsive HTML5 websites designed to be accessed via various different browsers, devices and screen sizes.


--- layout: post title: A Farewell Story date: 2010-11-08 21:15:45.000000000 -06:00 categories: - Games tags: - games - lineage 2 - wow status: publish type: post published: true meta: _edit_last: '1' author: login: Blake email<EMAIL_ADDRESS>display_name: Blake first_name: Blake last_name: Harley ---
After playing (read: botting) retail Lineage 2 for roughly two years and subsequently getting banned (on more than one occasion), I've decided to quit the MMO that has held my life hostage since 2005 (note: there is no time discrepancy there—I played private servers until 2008 when I decided to spring money on the actual game).
Aside from a month spent on Aion and numerous trial accounts for otther MMOs, my MMO experience has been rather lacking in diversity. Even though I had spent the previous five years of my life mocking World of Warcraft, I found myself seriously considering it as a replacement for Lineage 2 simply because of the casual factor. It was the part of World of Warcraft that I despised years ago that led me to picking the game up: the fact that I could spend less than 100 hours a week on it and make notable progress.
Currently, my account is a week old, and I'm only level 28. There are a lot of things I don't like and things I do like. My roommate and I are taking it slowly. We're casually playing our way through dungeons and quests and having a blast. We'll see in a month's time if I stick with this.
Wow. I never thought I'd see the day I'd actually be playing World of Warcraft.
Edit: Here's my character on WoW Armory.


Select - Basic
Single Value Select
Gender
Female
Male
Hair Color
Brown
Blonde
Black
Red
Skittles
Red
Purple
Yellow
Orange
Green
Object Values with trackBy
Users
Select - Custom Interface Options
Alert
Bacon
Black Olives
Extra Cheese
Green Peppers
Mushrooms
Onions
Pepperoni
Pineapple
Sausage
Spinach
Popover
Brown
Blonde
Black
Red
Action Sheet
Red
Purple
Yellow
Orange
Green
Popover Interface Select
Gender
Female
Male
Favorite food
Steak
Pizza
Tacos
Date
January
February
March
April
May
June
July
August
September
October
November
December
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
Numbers
0
1
2
3
4
5
Action Sheet Interface Select
Mute Notifications
For 15 Minutes
For 1 Hour
For 24 Hours
Until I turn it back on
Rating
1 Star
2 Stars
3 Stars
4 Stars
5 Stars
Multiple Value Select
Toppings
Bacon
Black Olives
Extra Cheese
Green Peppers
Mushrooms
Onions
Pepperoni
Pineapple
Sausage
Spinach
Pets
Bird
Cat
Dog
Honey Badger
Numbers
0
1
2
3
4
5
Toppings
Extra cheese
Mushroom
Onion
Pepperoni
Sausage
Disabled
Selected Text
Stacked
Default
Other
N/A
Stacked: selected
Default
Other
N/A
Floating
Default
Other
N/A
Floating: selected
Default
Other
N/A
Toggle Disabled


Afghanistan National Institute of Music receives Award at 2019 Global Pluralism Award Ceremony
by Khaama PressHis Highness the Aga Khan, the Chairman of the Board of Directors of Global Centre for Pluralism presented the Awards to three winners and seven honourable mention recipients including the Afghanistan National Institute of Music.
High Highness the Aga Khan presented the Awards at a ceremony in Ottawa of Canada on 20th of November.
Speaking at the ceremony, His Highness the Aga Khan said, “The award should serve as a reminder that we can all take steps, in both our personal and professional lives, to foster a more positive and productive response to the changing diversity in our world. The award offers examples to inspire and inform how we take on that challenge.”
The three winners of 2019 Global Pluralism Award were CEnter for Social Integrity of Myanmar, Deborah Ahenkorah of Ghana and Learning History that is not yet History team of Bosnaa and Herzegovina, Croatia, Montenegro and Serbia.
Adyan Foundation fo Lebanon, Afghanistan National Institute of Music, Artemissazio Foundation of Hungary, onBoard Canada, Rupantar of Bangladesh, SINGA of France and Soliya of USA were among the seven honourable mention recipients of the Award.
An independent international jury, chaired by the Rt. Hon. Joe Clark, former Prime Minister of Canada, chose the Award recipients from over 500 applications from 74 coutries, following a rigorous review and selection process.
The three winners will each be granted $CAN50,000 and in-kind support to advance their work to promote more peaceful, inclusive and successful societies, according to a statement released by the Centre.
Author
-
The Khaama Press News Agency is the leading and largest English news service for Afghanistan with over 3 million hits a month. Independent authors/columnists and experts are welcomed to contribute stories, opinions and editorials. Send stories to news@khaama.com.


| Modifier and Type | Class and Description |
|---|---|
class |
MarkerToolbarListener
This is to implement the
ActionListener Interface to check if
the user wants to set a new marker by pressing the marker button in the
toolbar. |
| Modifier and Type | Class and Description |
|---|---|
class |
CompassAdapter
Gets updates from
GLState and calculates the compasses drawing-box. |
class |
CopyrightAdapter |
class |
WeatherAdapter |
| Modifier and Type | Class and Description |
|---|---|
class |
DataResourceManager<R extends DataResource>
This class is an abstract class for all object to be managed.
|
| Modifier and Type | Class and Description |
|---|---|
class |
MarkerResourceManager
This class is to manage a list of all the
MarkerResource
generated by the user. |
| Modifier and Type | Class and Description |
|---|---|
class |
POIManager
Manages
PointOfInterest -objects using appropriate major- and sub-categories. |
| Modifier and Type | Class and Description |
|---|---|
class |
TileManager
StateObservable : TileManager is responsible for the
2d map tiles. |
| Modifier and Type | Class and Description |
|---|---|
class |
WeatherManager
Manages the
WeatherResource objects and is a
StateObserver by its inheritance of
DataResourceManager . |
| Modifier and Type | Class and Description |
|---|---|
class |
WikipediaManager
Management object to load wikipedia short descriptions from wikipedia.
|
| Modifier and Type | Method and Description |
|---|---|
java.util.Set<StateObserver> |
StateObservable.getObservers()
Returns all observers registered.
|
| Modifier and Type | Method and Description |
|---|---|
void |
StateObservable.register(StateObserver obs)
Method to make
obs observe this . |
void |
StateObservable.unregister(StateObserver obs)
Removes
obs from the list of the observers of
this . |
| Modifier and Type | Class and Description |
|---|---|
class |
StyleComboBox |


Chapter 1 Some generic introspection
Three types of results from Google Vision API:
label
detect broad sets of objects basedentity
uses Google Image Search to find topical entitiesocr
for Optical Character Recognition of text
entity
and label
receive a score
as a measure for how confident Google is about this.
1.1 Frequency of labels
1.2 Distribution of probablity scores
Mean score overall: 0.6181846.
1.3 Top ranking labels
Number of lables with mean score of .8 or higher:
| type | n |
|---|---|
| entity | 26 |
| label | 62 |
1.4 Score distribution for those top ranking labels
NOTE: There can be labels that are only mentioned very rarely, but scored high. Ns added to the plots.
1.5 Most used labels (more than 50 times) and their mean scores
| type | value | N | mean_score |
|---|---|---|---|
| label | soil | 442 | 0.7854977 |
| label | geology | 438 | 0.7047945 |
| label | rock | 367 | 0.7064033 |
| entity | Soil | 360 | 0.5528611 |
| label | sand | 357 | 0.6711485 |
| entity | Archaeology | 327 | 0.7094190 |
| label | ancient history | 285 | 0.7209825 |
| entity | History | 284 | 0.4787324 |
| entity | Ancient history | 281 | 0.4510320 |
| label | archaeology | 278 | 0.6617626 |
| label | archaeological site | 241 | 0.7300830 |
| entity | Archaeological site | 237 | 0.6183544 |
| label | formation | 177 | 0.6158757 |
| label | history | 161 | 0.6526087 |
| entity | Geology | 144 | 0.6234028 |
| entity | Outcrop | 114 | 0.6414035 |
| label | outcrop | 114 | 0.5998246 |
| label | bedrock | 110 | 0.6481818 |
| label | ruins | 104 | 0.7242308 |
| label | landscape | 94 | 0.5571277 |
| entity | Wadi | 86 | 0.2995349 |
| label | wall | 84 | 0.8289286 |
| label | artifact | 63 | 0.7053968 |
| label | concrete | 61 | 0.5429508 |
| entity | 55 | 0.4000000 |
1.6 Highest scoring labels (over 0.8) and their frequency
| value | n |
|---|---|
| soil | 199 |
| archaeological site | 87 |
| ancient history | 86 |
| rock | 83 |
| wall | 59 |
| sand | 58 |
| geology | 43 |
| ruins | 39 |
| archaeology | 28 |
| artifact | 14 |
| structure | 11 |
| bedrock | 9 |
| history | 9 |
| sky | 9 |
| text | 9 |
| brown | 8 |
| architecture | 6 |
| fauna | 6 |
| historic site | 6 |
| stone carving | 6 |
| field | 5 |
| light | 5 |
| tree | 5 |
| atmosphere | 4 |
| badlands | 4 |
| black | 4 |
| ecosystem | 4 |
| vehicle | 4 |
| yellow | 4 |
| black and white | 3 |
| building | 3 |
| fashion accessory | 3 |
| font | 3 |
| girl | 3 |
| man | 3 |
| mineral | 3 |
| prairie | 3 |
| water | 3 |
| aerial photography | 2 |
| car | 2 |
| cliff dwelling | 2 |
| cloud | 2 |
| construction | 2 |
| darkness | 2 |
| fault | 2 |
| floor | 2 |
| grassland | 2 |
| male | 2 |
| outcrop | 2 |
| person | 2 |
| photograph | 2 |
| plain | 2 |
| plant | 2 |
| road | 2 |
| room | 2 |
| social group | 2 |
| vacation | 2 |
| beach | 1 |
| beam | 1 |
| beauty | 1 |
| bird’s eye view | 1 |
| bottle | 1 |
| cave | 1 |
| climbing | 1 |
| community | 1 |
| construction worker | 1 |
| cumulus | 1 |
| daylighting | 1 |
| daytime | 1 |
| exhibition | 1 |
| eyewear | 1 |
| facial expression | 1 |
| finger | 1 |
| floor plan | 1 |
| flooring | 1 |
| food | 1 |
| foundation | 1 |
| freezing | 1 |
| fun | 1 |
| geological phenomenon | 1 |
| glasses | 1 |
| grass | 1 |
| grass family | 1 |
| hand | 1 |
| headgear | 1 |
| highland | 1 |
| horizon | 1 |
| human hair color | 1 |
| infrastructure | 1 |
| local food | 1 |
| mammal | 1 |
| market | 1 |
| mast | 1 |
| meteorological phenomenon | 1 |
| mode of transport | 1 |
| morning | 1 |
| mortuary temple | 1 |
| night | 1 |
| orange | 1 |
| path | 1 |
| people | 1 |
| phragmites | 1 |
| pink | 1 |
| plaid | 1 |
| plan | 1 |
| plaster | 1 |
| produce | 1 |
| property | 1 |
| rainbow | 1 |
| reflection | 1 |
| relief | 1 |
| sail | 1 |
| sailing ship | 1 |
| senior citizen | 1 |
| sitting | 1 |
| smile | 1 |
| snapshot | 1 |
| snow | 1 |
| sport climbing | 1 |
| standing | 1 |
| tall ship | 1 |
| tartan | 1 |
| transport | 1 |
| vision care | 1 |
| wadi | 1 |
| wilderness | 1 |
| wood | 1 |
| youth | 1 |
| value | n |
|---|---|
| Archaeology | 155 |
| Çatalhöyük | 11 |
| Laborer | 4 |
| Car | 3 |
| Neolithic | 3 |
| Geology | 2 |
| Outcrop | 2 |
| Art | 1 |
| Art exhibition | 1 |
| Art museum | 1 |
| Boulder | 1 |
| Brigantine | 1 |
| Brooch | 1 |
| Earring | 1 |
| Escuela de Aviación Militar Airport | 1 |
| Facial hair | 1 |
| Floor | 1 |
| Floor plan | 1 |
| Free University of Berlin | 1 |
| Glass bottle | 1 |
| Gobustan National Park | 1 |
| Konya Archaeological Museum | 1 |
| Museum of Anatolian Civilizations | 1 |
| Paper | 1 |
| Plucked string instrument | 1 |
| Poster | 1 |
| Rear-view mirror | 1 |
| Sail | 1 |
| Sport climbing | 1 |
| Street | 1 |
| Sweet Grass | 1 |
| University of Kiel | 1 |
| Vegetable | 1 |


There's plenty to do in and around Manchester, VT and we hope you get a chance to explore the area. Just make sure you save your energy for the dance floor!
There's plenty to do in and around Manchester, VT and we hope you get a chance to explore the area. Just make sure you save your energy for the dance floor!


Color
public struct Color : Equatable
Captures colors in a platform independent way for subsequent specialization.
-
The amount of red in the color from 0 to 255
Declaration
Swift
public let red: Byte
-
The amount of green in the color from 0 to 255
Declaration
Swift
public let green: Byte
-
The amount of blue in the color from 0 to 255
Declaration
Swift
public let blue: Byte
-
The opacity of color from 0 to 255
Declaration
Swift
public let alpha: Byte
-
Constructs a new
Color
instance with the specified RGBA (alpha is optional)Parameters
r
The amount of red in the color from 0 to 255
g
The amount of green in the color from 0 to 255
b
The amount of blue in the color from 0 to 255
a
The opacity of the color from 0 to 255 (0 fully transparent, 255 fully opaque)
-
Predefined white color
Declaration
Swift
public static let white: Color
-
Predefined black color
Declaration
Swift
public static let black: Color
-
Predefined red color
Declaration
Swift
public static let red: Color
-
Predefined green color
Declaration
Swift
public static let green: Color
-
Predefined blue color
Declaration
Swift
public static let blue: Color
-
Predefined magenta color
Declaration
Swift
public static let magenta: Color
-
Predefined cyan color
Declaration
Swift
public static let cyan: Color
-
Predefined yellow color
Declaration
Swift
public static let yellow: Color
-
Predefined grey color
Declaration
Swift
public static let grey: Color
-
Predefined light grey color
Declaration
Swift
public static let lightGrey: Color
-
Predefined dark grey color
Declaration
Swift
public static let darkGrey: Color
-
Predefined brown color
Declaration
Swift
public static let brown: Color
-
Predefined orange color
Declaration
Swift
public static let orange: Color
-
Predefined pink color
Declaration
Swift
public static let pink: Color
-
Predefined clear color (transparent black)
Declaration
Swift
public static let clear: Color


Data Link believes in leveraging technology, system design, and personalized service to create a security and networking solution that will transform the way you do business. Nothing gets our team more excited than providing our customers a technology solution that changes the way they think about their day to day operation. From consulting services to total project management, Data Link provides a custom, innovative approach to corporate security solutions. You’ve worked hard to build your business, let us protect it.
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| DOSE: |
1 tablet |
oral |
MDMA |
(pill / tablet) |
Ecstasy has changed my life in many ways. I used to be the kind of girl who was uncomfortable at parties and not happy in group situations. I 've been in college for the last four years and have always looked for a way to enjoy my time off from school.
Alcohol although fun and inhibition freeing left me feeling nauseus and spent in the morning, not to mention, I hated the way I acted (and other drunk people too) it also oversexualizes you and that is a potentially dangerous situation nowadays. Anyway, I tried ecstasy the first time in June. Like most people I was astounded by the openness I felt and the relaxation that came from feeling 'accepted' from the people around me. But more than that, I had always loved music, on E music sounds angelic, it literally took my breath away. The reason I kept doing E, about three times a month was because of its self-discovering properties, I learned more about myself in those beginning experiences than I had in my whole twenty two years!
As the months wore on, and I used it regularly, I began to notice, memory loss and an inability to fully concentrate on school, I became depressed frequently and I felt emotionally detached from the people closest to me.
My use of E is seasonal now, (every three months) I will do one. I found that this brings the intensity of the first experience back, without draining you.
Ecstasy is a miracle drug, it has done so much for me. It taught me how to be happy and because I am not 'on' the drug, I do not get depression spells anymore, rather I can recall the feeling of being deliriously happy at seeing a sunset or talking to good friend while I was on ecstasy and bring the glow into my normal life.
They had a saying in the eighties when MDMA first came out ,that the experience was like a phone, 'once you get the message you should hang up' I guess I've finally got the message.
Experience Reports are the writings and opinions of the individual authors who submit them.
Some of the activities described are dangerous and/or illegal and none are recommended by Erowid.


This simple utility will allow you to securely verify your SIP authorization headers. Since all of the processing happens in your browser, no sensitive information is transmitted over the wire.


This subpart implements 41 U.S.C. chapter 81, Drug-Free Workplace.
This subpart applies to contracts, including contracts with 8(a) contractors under FAR Subpart 19.8 and modifications that require a justification and approval (see Subpart 6.3), except contracts—
(a) At or below the simplified acquisition threshold; however, the requirements of this subpart apply to all contracts of any value awarded to an individual;
(b) For the acquisition of commercial items (see Part 12);
(c) Performed outside the United States and its outlying areas or any part of a contract performed outside the United States and its outlying areas;
(d) By law enforcement agencies, if the head of the law enforcement agency or designee involved determines that application of this subpart would be inappropriate in connection with the law enforcement agency’s undercover operations; or
(e) Where application would be inconsistent with the international obligations of the United States or with the laws and regulations of a foreign country.
41 U.S.C. chapter 81, Drug-Free Workplace.
As used in this subpart—
“Controlled substance” means a controlled substance in schedules I through V of section 202 of the Controlled Substances Act (21 U.S.C. 812), and as further defined in regulation at 21 CFR 1308.11–1308.15.
“Conviction” means a finding of guilt (including a plea of nolo contendere) or imposition of sentence, or both, by any judicial body charged with the responsibility to determine violations of the Federal or State criminal drug statutes.
“Criminal drug statute” means a Federal or non-Federal criminal statute involving the manufacture, distribution, dispensing, possession, or use of any controlled substance.
“Employee” means an employee of a contractor directly engaged in the performance of work under a Government contract. “Directly engaged” is defined to include all direct cost employees and any other contract employee who has other than a minimal impact or involvement in contract performance.
“Individual” means an offeror/contractor that has no more than one employee including the offeror/contractor.
(a) No offeror other than an individual shall be considered a responsible source (see 9.104-1(g) and 19.602-1(a)(2)(i)) for a contract that exceeds the simplified acquisition threshold, unless it agrees that it will provide a drug-free workplace by—
(1) Publishing a statement notifying its employees that the unlawful manufacture, distribution, dispensing, possession, or use of a controlled substance is prohibited in the contractor’s workplace, and specifying the actions that will be taken against employees for violations of such prohibition;
(2) Establishing an ongoing drug-free awareness program to inform its employees about—
(i) The dangers of drug abuse in the workplace;
(ii) The contractor’s policy of maintaining a drug-free workplace;
(iii) Any available drug counseling, rehabilitation, and employee assistance programs; and
(iv) The penalties that may be imposed upon employees for drug abuse violations occurring in the workplace;
(3) Providing all employees engaged in performance of the contract with a copy of the statement required by paragraph (a)(1) of this section;
(4) Notifying all employees in writing in the statement required by paragraph (a)(1) of this section, that as a condition of employment on a covered contract, the employee will—
(i) Abide by the terms of the statement; and
(ii) Notify the employer in writing of the employee’s conviction under a criminal drug statute for a violation occurring in the workplace no later than 5 days after such conviction;
(5) Notifying the contracting officer in writing within 10 days after receiving notice under subdivision (a)(4)(ii) of this section, from an employee or otherwise receiving actual notice of such conviction. The notice shall include the position title of the employee;
(6) Within 30 days after receiving notice under paragraph (a)(4) of this section of a conviction, taking one of the following actions with respect to any employee who is convicted of a drug abuse violation occurring in the workplace:
(i) Taking appropriate personnel action against such employee, up to and including termination; or
(ii) Requiring such employee to satisfactorily participate in a drug abuse assistance or rehabilitation program approved for such purposes by a Federal, State, or local health, law enforcement, or other appropriate agency.
(7) Making a good faith effort to maintain a drug-free workplace through implementation of paragraphs (a)(1) through (a)(6) of this section.
(b) No individual shall be awarded a contract of any dollar value unless that individual agrees not to engage in the unlawful manufacture, distribution, dispensing, possession, or use of a controlled substance while performing the contract.
(c) For a contract of 30 days or more performance duration, the contractor shall comply with the provisions of paragraph (a) of this section within 30 days after contract award, unless the contracting officer agrees in writing that circumstances warrant a longer period of time to comply. Before granting such an extension, the contracting officer shall consider such factors as the number of contractor employees at the worksite, whether the contractor has or must develop a drug-free workplace program, and the number of contractor worksites. For contracts of less than 30 days performance duration, the contractor shall comply with the provisions of paragraph (a) of this section as soon as possible, but in any case, by a date prior to when performance is expected to be completed.
Except as provided in 23.501, insert the clause at 52.223-6, Drug-Free Workplace, in solicitations and contracts.
(a) After determining in writing that adequate evidence to suspect any of the causes at paragraph (d) of this section exists, the contracting officer may suspend contract payments in accordance with the procedures at 32.503-6(a)(1).
(b) After determining in writing that any of the causes at paragraph (d) of this section exist, the contracting officer may terminate the contract for default.
(c) Upon initiating action under paragraph (a) or (b) of this section, the contracting officer shall refer the case to the agency suspension and debarment official, in accordance with agency procedures, pursuant to Subpart 9.4.
(d) The specific causes for suspension of contract payments, termination of a contract for default, or suspension and debarment are—
(1) The contractor has failed to comply with the requirements of the clause at 52.223-6, Drug-Free Workplace; or
(2) The number of contractor employees convicted of violations of criminal drug statutes occurring in the workplace indicates that the contractor has failed to make a good faith effort to provide a drug-free workplace.
(e) A determination under this section to suspend contract payments, terminate a contract for default, or debar or suspend a contractor may be waived by the agency head for a particular contract, in accordance with agency procedures, only if such waiver is necessary to prevent a severe disruption of the agency operation to the detriment of the Federal Government or the general public (see Subpart 9.4). The waiver authority of the agency head cannot be delegated.


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Herban is not just a company, we are a green-based lifestyle brand. By taking advantage of a digital marketplace, autonomous gardening, and drone delivery system, Herban will sell and deliver locally sourced produce directly to and from our customers' doorsteps. Our mission is to drive the change required for a sustainable future. By limiting the amount of traditional farmland needed to feed a growing population and by integrating green spaces into every facet of city life, our Green Breeze system will foster environmental rejuvination and healthier city ecosystems.
Enjoy exploring our collection of member farms. See each member's farm preferences and how their custom grow plots are changing the world one crop at a time. You may even find your own!


You have 0 neutrons which reduces the cost by 0 steps
0 neutrons/s
You can hover the bought upgrade to see your current multiplier for the upgrade.
We don't need many tiers - Buy 300 tier 1 generators without buying others Reward: Buying tier 1 generators is stronger
Nobody would believe this - Buy exactly 111 tier 10 generators without buying others except tier 1 Reward: Other generators that you bought affect tier 10 generators
Perfect layers - Buy the same amount of the generators each tier Reward: Production for any tier increased over its' bought
Stellar pyramid - Buy most tier 10 generators to least tier 1 generators Reward: Your bought tier 1 generators affect tier 10 generators
CRITICAL SYSTEM ERROR - Buy exactly 404 tier 10 generators but buy tier 9 once Reward: Your tier 10 generators affect tier 9 generators
Nowhere upon a prestige - Prestige with 1.01x PP than the previous Reward: Prestige power gain is doubled
That was a good prestige - Prestige with almost exactly 10.0kx PP than the previous Reward: Prestige power gain increased over your prestige power
So close... - Transfer between 7.99k to 8.00k PP Reward: Transfer point gain increased over your prestige power
That's a low tier - Transfer without last 5 tiers Reward: Boost production for tiers 6-10 in the start of transfer
You don't need them anymore - Supernova without tiers 9 & 10 Reward: Boost production for tiers 9-10 in the start of supernova
Upgrades was distracting for me - Supernova without transfering without headstarts Reward: Boost TP gain in the start of supernova
Not enough prestiges - Supernova in 3 prestiges without headstarts Reward: Boost PP gain in the start of supernova
Once per prestige - Supernova in 1 prestige without headstarts Reward: Boost PP gain in the start of prestige
Bonus for every bought generator is 1.03x.
Reward: Coming soon Completed 0 times
Cost is increased by x2.5^n instead.
Reward: Coming soon Completed 0 times
There are 9 tiers.
Reward: Coming soon Completed 0 times
Costs for all generators are the amount of the previous tier except the first tier.
Reward: Coming soon Completed 0 times
Production are turned to slightly buffed stars/s multiplier.
Reward: Coming soon Completed 0 times
Transfer upgrades are 90% effective.
Reward: Coming soon Completed 0 times
Buying generators will sacrifice lower tiers.

Reward: Coming soon Completed 0 times
PP gain is heavily reduced but TP gain is tweaked.
Reward: Coming soon Completed 0 times
10th tier generator production is reduced.
Reward: Coming soon Completed 0 times
All production was reduced but it's strengthening.
Reward: Coming soon Completed 0 times
Costs will increase slightly when you buy something.


{% extends "base-template.html" %} {% block content %}
All of the estimates ({{ estimates }}) have been submitted for this issue.
{% else %}Only {{ estimates }} of {{ members }} estimates have been submitted for this issue.
{% endif %}The estimation process has not completed for this issue. As the owner of this group you can reveal the average estimate now. Please click on the button below when all estimators are ready.
{% if estimates > 0 %} {% endif %}Note that there is not enough members in this group to provide a truly anonymous estimation. Consider inviting other colleagues or use an open form of estimation, such as Planning Poker.


Quality Is the Constraint
One fine day in the trenches, a junior engineer was tasked with optimizing a particular web service call that was way too slow (sometimes slower than 20 seconds!). I had just figured out how to use a performance profiler for that particular platform, so I thought I’d offer to show him how to use it. His response was that he was on a tight deadline and didn’t have time to learn to use the profiler, and that he was just going to tune the database calls to make them perform better.
Later in the year when the problem still wasn’t solved, I had a chance to take it on myself. The profiler showed me that this service call was itself making around 20 web service calls to a second system that could obviously add up to 20 seconds, if that other web service took 1 second for each of its responses (and the logs showed that sometimes it did). It turned out that almost all of those web service calls were redundant and completely unnecessary. Simply removing them (which took about 1 day of effort) shaved 19 seconds off this web service call’s duration in production in some cases.
The total execution time spent on database calls was 5 milliseconds. A 50% improvement there would probably take a week’s worth of effort, and really only get you 2 or 3 milliseconds of performance improvement.
The moral of the story is that there’s a pretty simple process for optimizing a system:
- Identify and isolate the component that is tying up the most time in the system (let’s call it the bottleneck)
- Optimize that component to make it less wasteful
- Repeat
Skipping step 1 isn’t a shortcut. It’s absolutely critical to know that you’re optimizing the bottleneck, and not some other random component.
This is pretty obvious stuff for most experienced developers of course. And while they seem to know to apply this to the systems that they work on, it’s more rare that they notice it outside of the code and see it in the process of software engineering in general.
The software development process is a system as well, made up of components. Requirements come in at one end, and deliverables go out the other end. As people who are involved in that process, we naturally want it to be more and more efficient. We are constantly trying to figure out how to optimize that system so we can deliver better software in less time.
So step 1: Identify and isolate the component that is tying up the most time in the system.
Not every team develops software the same way, so this component of the process could be different team by team. In practice though, I’ve always seen teams spending the most time doing these sorts of things:
- Refactoring poorly written code so that features can be added
- Learning/relearning existing code that has long since swapped out of all developers’ “mind pages” (for extension or bug-squashing).
- Debugging
- Performing Manual User Acceptance Testing (by both developers and testers)
- issue tracking (administration of that tool and issue in it)
- discovery and documentation of steps to reproduce
- triage (what bugs to squash first?)
- communication between customers, support, QA and developers
- customer support
- customer dissatisfaction leading to churn and reputation problems (affecting the entire organization)
All of these time consumers are affected directly or indirectly by our ability to control quality. In my experience, the majority of the software development process isn’t hung up in requirements analyis, design, or implementation. It’s hung up in all these Quality Control related issues. Quality Control is the constraint that keeps us from creating the right software faster. Steve McConnell confirms it in a more scientific way than I ever could:
The rest of us would do well to learn from a discovery made by IBM in the 1970s: Products with the lowest defect counts also have the shortest schedules (Jones 1991). Many organizations currently develop software with defect levels that give them longer schedules than necessary. After surveying about 4000 software projects, Capers Jones reported that poor quality was one of the most common reasons for schedule overruns (1994). He also reported that poor quality is implicated in close to half of all canceled projects. A Software Engineering Institute survey found that more than 60 percent of organizations assessed suffered from inadequate quality assurance (Kitson and Masters 1993). On the curve in Figure 1, those organizations are to the left of the 95-percent-removal line.
(http://www.stevemcconnell.com/articles/art04.htm — The whole article is extremely illuminating)
What this means is that if we really want to move quickly, we need to take a good hard look at how we manage quality. Of course this is counter-intuitive, and its actually hard to swallow, because ensuring quality can be mundane and tedious if you’re not doing it right. But as developers we’d be silly to ignore the real bottleneck in the process, and optimizing for that. Micro-optimizations elsewhere in the process will yield very little benefit compared to improving measures that ensure quality.
As developers, we love to argue about and discuss these micro-optimizations all day long:
It sure seems silly though to be pursuing micro-optimizations, at the expense of tackling the real #1 time-suck: Quality.


Depay calls for action after racist chants at Dutch match
by AFPBRUSSELS: Netherlands international Memphis Depay called upon UEFA to act after racist chants halted a Dutch second-division match on Sunday.
The incident occurred at a Dutch second-tier game between Excelsior Rotterdam and Den Bosch, with Excelsior winger Ahmad Mendes Moreira walking off the pitch after hearing racist chants from the stands.
The referee stopped the match, but the teams returned to complete the game.
“I’m sick and tired to see these images over and over! When is it going to stop!!?,” Depay wrote on Twitter.
“@UEFA what we going to do? Specially with the upcoming @EURO2020.”
The Dutch football association insisted that its protocol had been correctly applied.
“We are still looking for the culprits,” it said in a statement.
Depay missed out through injury as the Netherlands qualified for Euro 2020 on Saturday with a 0-0 draw against Northern Ireland in Belfast.


{% include 'extender-link.html' %}
{% include 'extender-nav.html' %}
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Patterns for scalable web services in Go
Richard Crowley
Betable operations
Richard Crowley
Betable operations
<EMAIL_ADDRESS>or @rcrowley
2007 Wash U grad
Gambling-as-a-Service
Licensed and regulated so game developers don’t have to be
Of human resources
Of machine resources
Who has written at least one Go program?
Who has Go in production?
Who has only Go in production?
Brevity
Static type system
Compiles to x86, ARM, etc.
CSP
Thompson, Pike, Cox, Griesemer
Brad Fitz
It isn’t Java
It isn’t running on the JVM
(Guilty)
Your problem won’t tolerate a naive garbage collector
Library immaturity overburdens your team
Always google it as “golang”
package main import ( "fmt" "net/http" ) func main() { http.HandleFunc( "/", func(w http.ResponseWriter, r *http.Request) { fmt.Fprintln(w, "Hello, www!") }, ) http.ListenAndServe(":8080", nil) }
func handler(w http.ResponseWriter, r *http.Request) { w.Header().Set("Content-Type", "text/plain") w.WriteHeader(http.StatusOK) fmt.Fprintln(w, "Hello, www!") })
May be named or anonymous
All functions are closures
Zero or more typed parameters
Parameters are pass-by-value
Zero or more typed return values
func fail() error { return errors.New("fail") } func multifail() (*Win, error) { return nil, errors.New("multifail") }
Conventionally return an error
last
There are no exceptions because errors are not exceptional
Use error
to communicate what happened to the caller
type handler struct { counter metrics.Counter } type Authorization struct { Username, Password string }
Structs are types
Zero or more typed fields
func (h *handler) ServeHTTP( w http.ResponseWriter, r *http.Request, ) { w.Header().Set("Content-Type", "text/plain") w.WriteHeader(http.StatusOK) fmt.Fprintln(w, "Hello, www!") h.counter.Inc(1) }
Method receiver may be any type in the declaring package
// In the standard library's io/io.go: type Reader interface { Read(p []byte) (n int, err error) } // In the standard library's net/http/server.go: type Handler interface { ServeHTTP(ResponseWriter, *Request) }
Interfaces are also types
Zero or more method signatures
Types that implement all methods implement the interface implicitly
func main() { mux := http.NewServeMux() mux.Handle("/", &handler{}) server := &http.Server{Handler: mux} listener, err := net.Listen("tcp", ":8080") if nil != err { log.Fatalln(err) } if err := server.Serve(listener); nil != err { log.Fatalln(err) } }
http.ServeMux
is another http.Handler
Raise your hand if you’ve been burned by BaseHTTPServer
or WEBrick
What’s Serve
do, anyway?
(For one thing, power dl.google.com)
func main() { listener, err := net.Listen("tcp", ":1234") if nil != err { log.Fatalln(err) } for { conn, err := listener.Accept() if nil != err { log.Fatalln(err) } go handle(conn) } }
go
makes any function call asynchronous in a “goroutine”
func handle(conn net.Conn) { defer conn.Close() p := make([]byte, 4096) for { n, err := conn.Read(p) if nil != err { log.Println(conn.RemoteAddr(), err) break } log.Printf("%v p: %s", conn.RemoteAddr(), p[:n]) if _, err := conn.Write(p[:n]); nil != err { log.Println(conn.RemoteAddr(), err) break } } }
No callbacks, no miniature state machines
Many goroutines are scheduled onto GOMAXPROCS
operating system threads
Cheap enough to not worry about pooling
This is how the standard library HTTP server works, too
Tony Hoare’s Communicating Sequential Processes in CACM volume 21 issue 8
Go’s summary: “Do not communicate by sharing memory; instead, share memory by communicating.”
Useful for connection handling, critical sections, and pooled operations
Been there, done that
Hoare’s “Parallel Commands”
ch := make(chan int) // unbuffered ch := make(chan int, 1) // buffer length of 1 ch <- 47 // send <-ch // receive
Buffered (asynchronous + backpressure) or unbuffered (synchronous)
Concurrent send and receive operations
Faster than mutexes
Hoare’s “Input and Output Commands”
Sacrificing shared nothing in the small precludes diagonal scaling
Non-empty channel buffers are an opportunity for data loss
The least surprising opportunity to screw things up
http
package is annoyingly unhelpful
Not being addressed in Go 1.2 so we take matters into our own hands
func main() { mux := http.NewServeMux() mux.Handle("/", &handler{}) server := &http.Server{Handler: mux} listener, err := net.Listen("tcp", ":1234") if nil != err { log.Fatalln(err) } ch := make(chan os.Signal) signal.Notify(ch, syscall.SIGINT, syscall.SIGTERM) go server.Serve(listener) log.Println(<-ch) listener.Close() time.Sleep(60e9) // FIXME! }
func main() { // mux ... server ... listener, ppid, err := goagain.GetEnvs() if nil != err { listener, _ = net.Listen("tcp", ":8080") go server.Serve(listener) } else { go server.Serve(listener) goagain.KillParent(ppid) } goagain.AwaitSignals(listener) listener.Close() time.Sleep(60e9) // FIXME! }
goagain
handles SIGUSR2
Difficult to supervise; systemd
> Upstart
Gorilla, Revel: more ambitious and all-knowing; appropriate for web applications
gorest
: hides a lot in struct tags
pat
: unopinionated but leaves most concerns unaddressed
Many others we can talk about over beers
Newly open-source!
Inspired by Dropwizard
How Betable builds web services in Go
github.com/rcrowley/go-tigertonic
mux := http.NewServeMux() mux.Handle("/", &handler{})
http.ServeMux
only routes prefixes
mux := tigertonic.NewTrieServeMux() mux.Handle("GET", "/foo/{bar}/baz", &handler{})
tigertonic.TrieServeMux
is method- and wildcard-aware
Responds 404 and 405 appropriately
var handler http.Handler = tigertonic.Marshaled(func( url.URL, http.Header, *MyRequest, ) (int, http.Header, *MyResponse, error) { return http.StatusOK, nil, &MyResponse{}, nil })
Static request and response types
No hassling with json.Encoder
Responds 400, 406, and 415 appropriately
Responds with JSON in case of error, too
Still an http.Handler
decoder := reflect.ValueOf(json.NewDecoder(r.Body)) out := decoder.MethodByName("Decode").Call([]reflect.Value{ reflect.New(m.v.Type().In(2).Elem()), })
User code deals only with static types
if !t.Out(2).Implements(reflect.TypeOf((*Response)(nil)).Elem()) { panic("type ... was %v, not Response", t.Out(2)) }
Runtime enforces fuzzy interfaces
handler = tigertonic.If( func(r *http.Request) (http.Header, error) { if "" == r.Header.Get("X-Condition") { return nil, Forbidden{errors.New("forbidden")} } return nil, nil }), handler, // from two slides ago )
If
naturally wraps any http.Handler
Special case of First
middleware chains
And yes, it’s an http.Handler
Logging via the standard library
Metric collection via go-metrics
http.Handler
all the way down
handler = tigertonic.Logged(handler, nil)
tigertonic.Logged
for full (optionally redacted) request and response logs
handler = tigertonic.ApacheLogged(handler)
tigertonic.ApacheLogged
for Apache combined logs
handler = tigertonic.Counted(handler, "my-handler", nil) handler = tigertonic.Timed(handler, "my-handler", nil)
tigertonic.Counted
and tigertonic.Timed
for knowing how many and how fast
We mostly use tigertonic.Timed
on each route individually
Strongly-typed per-request context
Middleware chains
URL namespaces
Virtual hostnames
HTTP Basic auth
CORS basics
TLS
Construct a fake http.Request
Call ServeHTTP
Use httptest.ResponseRecorder
Call your Marshaled
function directly
go get
tool invites you right in
Go-specific solutions:
gopack
and johnny-deps
git-submodule
is perfectly fine
Google vendors third-party code
We vendor third-party code as part of CI
TLS termination in Tiger Tonic
No crypto to block Nginx event loop
One fewer hops means lower latency
c, _ := tls.LoadX509KeyPair(certPathname, keyPathname) listener, err := tls.Listen("tcp", ":4443", &tls.Config{ Certificates: []tls.Certificate{c}, CipherSuites: []uint16{tls.TLS_RSA_WITH_RC4_128_SHA}, })
Always use net.Conn
and net.Listener
interfaces to serve either TLS and non-TLS
Replace crypto/tls
package with openssl
binding as an optimization
Favor local variables that don’t “escape” onto the heap
Reuse allocated buffers
A small heap is a fast heap
Use the standard library
Implement interfaces when you can
Fail fast and with details
Accepted in the large
Holds true in the small within a Go process
Goroutine-per-connection
Limit concurrency when necessary: one channel, m senders, and n receivers
Macro statistics from Counted
and Timed
Micro statistics from runtime/pprof
and go tool pprof
Use http.Handler
for web services
Use concurrency primitives for concurrent or pipelined tasks
Bridge the gap cautiously
Remember that errors are not exceptional
github.com/d2fn/gopack
github.com/rcrowley/goagain
github.com/rcrowley/go-metrics
github.com/rcrowley/go-tigertonic
github.com/VividCortex/johnny-deps


class BasketValidationChoice extends AbstractEntity
Methods
| __construct(EntityManager $em) | from AbstractEntity | |
| BasketValidationParticipant |
getValidationUser()
Get the validation user |
|
| setValidationUser(BasketValidationParticipant $validationUser) | ||
| Boolean|null |
getAgreement()
Get the user agreement |
|
| setAgreement($agreement) | ||
| DateTime |
getUpdatedOn()
Get last update date |
|
| setUpdatedOn(DateTime $updatedOn) | ||
| string |
getNote()
Get the user annotation |
|
| setNote($note) |
Details
in AbstractEntity at line 21
final public
__construct(EntityManager $em)
at line 26
public BasketValidationParticipant
getValidationUser()
Get the validation user
at line 31
public
setValidationUser(BasketValidationParticipant $validationUser)
at line 45
public Boolean|null
getAgreement()
Get the user agreement
- null : no response yet
- true : accepted
- false: rejected
at line 50
public
setAgreement($agreement)
at line 60
public DateTime
getUpdatedOn()
Get last update date
at line 65
public
setUpdatedOn(DateTime $updatedOn)
at line 75
public string
getNote()
Get the user annotation