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String comparison in Python: is vs. == [duplicate]
I noticed a Python script I was writing was acting squirrelly, and traced it to an infinite loop, where the loop condition was while line is not '' . Running through it in the debugger, it turned out that line was in fact '' . When I changed it to !='' rather than is not '' , it worked fine.
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AngularJS Folder Structure [closed]
... by type. Not too bad for smaller apps, but even here you can start to see it gets more difficult to find what you are looking for. When I want to find a specific view and its controller, they are in different folders. It can be good to start here if you are not sure how else to organize the code as...
How to insert text into the textarea at the current cursor position?
... a simple function that adds text into a text area at the user's cursor position. It needs to be a clean function. Just the basics. I can figure out the rest.
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What is the difference between gravity and layout_gravity in Android?
I know we can set the following values to the android:gravity and android:layout_gravity properties:
20 Answers
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Is it possible to reopen a closed branch in Mercurial?
I understand that it is possible to close a named branch in Mercurial, so that it will not appear in the hg branches list:
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List of Big-O for PHP functions
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Since it doesn't seem like anyone has done this before I thought it'd be good idea to have it for reference somewhere. I've gone though and either via benchmark or code-skimming to characterize the array_* functions. I've tried to ...
A non-blocking read on a subprocess.PIPE in Python
I'm using the subprocess module to start a subprocess and connect to its output stream (standard output). I want to be able to execute non-blocking reads on its standard output. Is there a way to make .readline non-blocking or to check if there is data on the stream before I invoke .readline ? I'...
force browsers to get latest js and css files in asp.net application
...ast modified timestamp as a query parameter to the scripts.
I did this with an extension method, and using it in my CSHTML files. Note: this implementation caches the timestamp for 1 minute so we don't thrash the disk quite so much.
Here is the extension method:
public static class JavascriptE...
Why does an SSH remote command get fewer environment variables then when run manually? [closed]
I have a command that runs fine if I ssh to a machine and run it, but fails when I try to run it using a remote ssh command like :
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No Main() in WPF?
I am a beginner when it comes to programming but I was sure that one of the universal rules was that a program starts with Main(). I do not see one when I create a WPF project. Is Main() simply named something differently in WPF?
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