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When is “i += x” different from “i = i + x” in Python?
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This depends entirely on the object i.
+= calls the __iadd__ method (if it exists -- falling back on __add__ if it doesn't exist) whereas + calls the __add__ method1 or the __radd__ method in a few cases2.
From an API perspect...
ASP.NET MVC Ajax Error handling
How do I handle exceptions thrown in a controller when jquery ajax calls an action?
6 Answers
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Use 'class' or 'typename' for template parameters? [duplicate]
When defining a function template or class template in C++, one can write this:
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Passing additional variables from command line to make
Can I pass variables to a GNU Makefile as command line arguments? In other words, I want to pass some arguments which will eventually become variables in the Makefile.
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Peak memory usage of a linux/unix process
Is there a tool that will run a command-line and report the peak RAM usage total?
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Executing elements inserted with .innerHTML
I've got a script that inserts some content into an element using innerHTML .
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What is the reason behind “non-static method cannot be referenced from a static context”? [duplicate
The very common beginner mistake is when you try to use a class property "statically" without making an instance of that class. It leaves you with the mentioned error message:
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How to detect the OS from a Bash script?
I would like to keep my .bashrc and .bash_login files in version control so that I can use them between all the computers I use. The problem is I have some OS specific aliases so I was looking for a way to determine if the script is running on Mac OS X, Linux or Cygwin .
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Android 4.1: How to check notifications are disabled for the application?
Android 4.1 offers the user a check box to disable notifications for a specific application.
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Type safety: Unchecked cast
In my spring application context file, I have something like:
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