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How do I compile and run a program in Java on my Mac?
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Compiling and running a Java application on Mac OSX, or any major operating system, is very easy. Apple includes a fully-functional Java runtime and development environment out-of-the-box with OSX, so all you have to do is write a Java program and use the built-in tools to comp...
When is “i += x” different from “i = i + x” in Python?
...g back on __add__ if it doesn't exist) whereas + calls the __add__ method1 or the __radd__ method in a few cases2.
From an API perspective, __iadd__ is supposed to be used for modifying mutable objects in place (returning the object which was mutated) whereas __add__ should return a new instance ...
Can existing virtualenv be upgraded gracefully?
I have a virtualenv created for Python 2.5 and want to "upgrade" it to Python 2.6.
5 Answers
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What is the best way to concatenate two vectors?
I'm using multitreading and want to merge the results. For example:
8 Answers
8
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How to convert an NSTimeInterval (seconds) into minutes
I've got an amount of seconds that passed from a certain event. It's stored in a NSTimeInterval data type.
12 Answers
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ctypes - Beginner
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Here's a quick and dirty ctypes tutorial.
First, write your C library. Here's a simple Hello world example:
testlib.c
#include <stdio.h>
void myprint(void);
void myprint()
{
printf("hello world\n");
}
Now compile it as a shared library (mac fix fo...
In git, is there a way to show untracked stashed files without applying the stash?
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Untracked files are stored in the third parent of a stash commit. (This isn't actually documented, but is pretty obvious from The commit which introduced the -u feature, 787513..., and the way the rest of the documentation for git-stash phrases th...
Run cURL commands from Windows console
Is there a way to install cURL in Windows in order to run cURL commands from the command prompt?
21 Answers
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How to start two threads at “exactly” the same time
...understand, if you do thread1.start() , it will take some milliseconds before the next execution of thread2.start() .
4 A...
emacs/elisp: What is the hash (pound, number sign, octothorp) symbol used for?
...compiler that the following expression can be byte compiled, see the docs for Anonymous Functions. But there's nothing to compile in the case of a symbol.
In general, it is used in the printed representation along with the left angle bracket (<) to indicate that the object printed is a descript...