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Linux command or script counting duplicated lines in a text file?
If I have a text file with the following conent
8 Answers
8
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How to list all installed packages and their versions in Python?
...ou have pip install and you want to see what packages have been installed with your installer tools you can simply call this:
pip freeze
It will also include version numbers for the installed packages.
Update
pip has been updated to also produce the same output as pip freeze by calling:
pip li...
Getting the caller function name inside another function in Python? [duplicate]
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You can use the inspect module to get the info you want. Its stack method returns a list of frame records.
For Python 2 each frame record is a list. The third element in each record is the caller name. What you want is this:
>>> import inspect
>>> def f():
... ...
How do I use spaces in the Command Prompt?
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edited Jun 17 '11 at 11:06
answered Jun 16 '11 at 20:14
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How to make a valid Windows filename from an arbitrary string?
...GetInvalidFileNameChars())
{
fileName = fileName.Replace(c, '_');
}
Edit:
Since GetInvalidFileNameChars() will return 10 or 15 chars, it's better to use a StringBuilder instead of a simple string; the original version will take longer and consume more memory.
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python multithreading wait till all threads finished
...()
t3.start()
t1.join()
t2.join()
t3.join()
Thus the main thread will wait till t1, t2 and t3 finish execution.
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How to find out if an installed Eclipse is 32 or 64 bit version?
... I find out if a specific Eclipse instance on my (Windows 7) PC is the 32-bit or 64-bit version?
5 Answers
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When to use NSInteger vs. int
...ually want to use NSInteger when you don't know what kind of processor architecture your code might run on, so you may for some reason want the largest possible integer type, which on 32 bit systems is just an int, while on a 64-bit system it's a long.
I'd stick with using NSInteger instead of int...
How do I check if the Java JDK is installed on Mac?
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I got "javac 1.6.0_37" is it equivalent of jdk 6 or 7?
– angry kiwi
Jan 12 '13 at 11:26
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Simplest/Cleanest way to implement singleton in JavaScript?
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I think the easiest way is to declare a simple object literal:
var myInstance = {
method1: function () {
// ...
},
method2: function () {
// ...
}
};
If you want private members on your singleton instance, you can do something like this:
var myInstance = (func...