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Getting the name of a child class in the parent class (static context)

...ot possible. in php4 you could implement a terrible hack (examine the debug_backtrace()) but that method does not work in PHP5. references: 30423 37684 34421 edit: an example of late static binding in PHP 5.3 (mentioned in comments). note there are potential problems in it's current implementat...
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How to test code dependent on environment variables using JUnit?

... value); } } For Java 5 to 7 the library System Rules has a JUnit rule called EnvironmentVariables. import org.junit.contrib.java.lang.system.EnvironmentVariables; public class EnvironmentVariablesTest { @Rule public final EnvironmentVariables environmentVariables = new EnvironmentVariab...
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Why declare unicode by string in python?

...cepted since is the most complete one :) – Oscar Carballal Jul 3 '10 at 4:38 2 The default source...
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JSON datetime between Python and JavaScript

... The lambda can be adapted to call the base implementation on non-datetime types, so TypeError can be raised if needed: dthandler = lambda obj: obj.isoformat() if isinstance(obj, datetime) else json.JSONEncoder().default(obj) – Pascal...
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Understanding __get__ and __set__ and Python descriptors

...th the Temperature class). For example: temp=Temperature() temp.celsius #calls celsius.__get__ Accessing the property you assigned the descriptor to (celsius in the above example) calls the appropriate descriptor method. instance in __get__ is the instance of the class (so above, __get__ would r...
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sizeof single struct member in C

... char text[member_size(Parent, text)]; int used; } Child; I'm actually a bit surprised that sizeof((type *)0)->member) is even allowed as a constant expression. Cool stuff. share | impr...
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How can I visualize per-character differences in a unified diff file?

...ight space changes): git diff --color-words='[^[:space:]]|([[:alnum:]]|UTF_8_GUARD)+' In general: git diff --color-words=<re> where <re> is a regexp defining "words" for the purpose of identifying changes. These are less noisy in that they color the changed "words", whereas using ...
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What is the difference between Numpy's array() and asarray() functions?

... use one rather than the other? They seem to generate identical output for all the inputs I can think of. 6 Answers ...
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Way to ng-repeat defined number of times instead of repeating over array?

... Update (9/25/2018) Newer versions of AngularJS (>= 1.3.0) allow you to do this with only a variable (no function needed): <li ng-repeat="x in [].constructor(number) track by $index"> <span>{{ $index+1 }}</span> </li> $scope.number = 5; This was not poss...
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How can I get the behavior of GNU's readlink -f on a Mac?

...in your own script where you'd like to call readlink -f #!/bin/sh TARGET_FILE=$1 cd `dirname $TARGET_FILE` TARGET_FILE=`basename $TARGET_FILE` # Iterate down a (possible) chain of symlinks while [ -L "$TARGET_FILE" ] do TARGET_FILE=`readlink $TARGET_FILE` cd `dirname $TARGET_FILE` T...