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How to get the parents of a Python class?

...s__ From the docs: The tuple of base classes of a class object. Example: >>> str.__bases__ (<type 'basestring'>,) Another example: >>> class A(object): ... pass ... >>> class B(object): ... pass ... >>> class C(A, B): ... pass ... >...
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CABasicAnimation resets to initial value after animation completes

...e more in Prevent Layers From Snapping Back to Original Values When Using Explicit CAAnimations – likid1412 Feb 4 '16 at 12:06 add a comment  |  ...
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What reason is there to use null instead of undefined in JavaScript?

...ou might sometimes get an object while undefined means that no object was expected (or that there was an error). My problem with that is its completely arbitrary, and totally unnecessary. That said, there is one major difference - variables that aren't initialized (including function parameters wh...
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Emacs in Windows

...les in the same Emacs window) it includes several useful packages such as Nxml it has a Windows installer or you can build it from sources And concerning XEmacs, according to this post by Steve Yegge: To summarize, I've argued that XEmacs has a much lower market share, poorer performance, more...
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How to rename a single column in a data.frame?

...ch - This doesn't seem to work if the column name is something like "A,B,C,X,Y,Z" where I want to rename it to Y using testData[379] <- "Y". – Chetan Arvind Patil Jan 17 '19 at 16:10 ...
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What is null in Java?

...s an instanceof. 15.20.2 Type Comparison Operator instanceof RelationalExpression: RelationalExpression instanceof ReferenceType At run time, the result of the instanceof operator is true if the value of the RelationalExpression is not null and the reference could be cast to the Referen...
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Is nested function a good approach when required by only one function? [closed]

... >>> def sum(x, y): ... def do_it(): ... return x + y ... return do_it ... >>> a = sum(1, 3) >>> a <function do_it at 0xb772b304> >>> a() 4 Is this what you were looking for? It's ca...
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How to install and run phpize

I have been meaning to install ffmpeg as an extension to my PHP setup. So before I can install it, I need to phpize it. I installed php5-dev by sudo apt-get install php5-dev . But now when I run phpize I get the following error : ...
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How can I configure Logback to log different levels for a logger to different destinations?

...warn and error messages to stderr, and everything else to stdout. logback.xml <appender name="stdout" class="ch.qos.logback.core.ConsoleAppender"> <target>System.out</target> <filter class="com.foo.StdOutFilter" /> ... </appender> <appender name="stderr" cl...
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jQuery UI dialog positioning

...ying to use the jQuery dialog UI library in order to position a dialog next to some text when it is hovered over. The jQuery dialog takes a position parameter which is measured from the top left corner of the current viewport (in other words, [0, 0] will always put it in the upper left hand cor...