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Is there a performance gain in using single quotes vs double quotes in ruby?
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github locks up mac terminal when using pull command
I'm in the process of learning github on mac (command-line) and whenever I do git pull origin master i get this
8 Answers...
Decreasing height of bootstrap 3.0 navbar
I am trying to decrease bootstrap 3.0 navbar height which is used with fixed top behavior. Here i am using code.
9 Answers
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How to convert hex to rgb using Java?
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I guess this should do it:
/**
*
* @param colorStr e.g. "#FFFFFF"
* @return
*/
public static Color hex2Rgb(String colorStr) {
return new Color(
Integer.valueOf( colorStr.substring( 1, 3 ), 16 ),
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How to easily map c++ enums to strings
I have a bunch of enum types in some library header files that I'm using, and I want to have a way of converting enum values to user strings - and vice-versa.
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What's the proper way to install pip, virtualenv, and distribute for Python?
..., I recommended using ez_setup so that you could then install pip and virtualenv as follows:
15 Answers
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How do you copy the contents of an array to a std::vector in C++ without looping?
I have an array of values that is passed to my function from a different part of the program that I need to store for later processing. Since I don't know how many times my function will be called before it is time to process the data, I need a dynamic storage structure, so I chose a std::vector ....
Random hash in Python
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A md5-hash is just a 128-bit value, so if you want a random one:
import random
hash = random.getrandbits(128)
print("hash value: %032x" % hash)
I don't really see the point, though. Maybe you should elaborate why you need this...
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Why does Lua have no “continue” statement?
I have been dealing a lot with Lua in the past few months, and I really like most of the features but I'm still missing something among those:
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How to delete SQLite database from Android programmatically
I would like to delete the database file from the Android file system programatically? Can I have a shell script launch adb which in turns runs a shell script in the Android space to do the database deletion? Can I get this done from within a JUnit test case (with a system() call)?
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