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In javascript, is an empty string always false as a boolean?
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Yes. Javascript is a dialect of ECMAScript, and ECMAScript language specification clearly defines this behavior:
ToBoolean
The result is false if the argument is the empty String (its length is zero);
otherwise the result is true
Quote taken from http://www.ecma-international.org/publi...
Signal handling with multiple threads in Linux
In Linux, what happens when a program (that possibly has multiple threads) receives a signal, like SIGTERM or SIGHUP?
2 Ans...
How can I install from a git subdirectory with pip?
I have a git repository with many folders, one of them being a python module installable with pip, like this:
2 Answers
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Django FileField with upload_to determined at runtime
I'm trying to set up my uploads so that if user joe uploads a file it goes to MEDIA_ROOT/joe as opposed to having everyone's files go to MEDIA_ROOT. The problem is I don't know how to define this in the model. Here is how it currently looks:
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Difference between and text
There are many legends about them. I want to know the truth. What are the differences between the two following examples?
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Setting design time DataContext on a Window is giving a compiler error?
...on, I am trying to set the design time d:DataContext below, which I can successfully do for all my various UserControls, but it gives me this error when I try to do it on the window...
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How to view the Folder and Files in GAC?
I want to view the folders and sub folders in GAC . Also want to know about adding and removing from GAC .
5 Answers
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How can I tell IntelliJ's “Find in Files” to ignore generated files?
I need to do a find in files. I want to ignore or exclude generated files, like JAX-WS artifacts or classes in target folders. How can I tell IDEA to exclude these files from the find?
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Assert a function/method was not called using Mock
I'm using the Mock library to test my application, but I want to assert that some function was not called. Mock docs talk about methods like mock.assert_called_with and mock.assert_called_once_with , but I didn't find anything like mock.assert_not_called or something related to verify mock was ...
How to identify platform/compiler from preprocessor macros?
I'm writing a cross-platform code, which should compile at linux, windows, Mac OS. On windows, I must support visual studio and mingw.
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