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Storing sex (gender) in database
...- 2,147,483,648 to 2,147,483,647
BIT 1 (2 if 9+ columns) 2 (0 and 1)
CHAR(1) 1 26 if case insensitive, 52 otherwise
The BIT data type can be ruled out because it only supports two possible genders which is inadequate. While INT supports more than two options,...
What's the best way to convert a number to a string in JavaScript? [closed]
...ly, even though I typically do it like this for simple convenience, over 1,000s of iterations it appears for raw speed there is an advantage for .toString()
See Performance tests here (not by me, but found when I went to write my own):
http://jsben.ch/#/ghQYR
Fastest based on the JSPerf test above...
What is the most efficient way to concatenate N arrays?
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AngularJS ng-style with a conditional expression
...u use angular < 1.1.5, you can use ng-class.
.largeWidth {
width: 100%;
}
.smallWidth {
width: 0%;
}
// [...]
ng-class="{largeWidth: myVar == 'ok', smallWidth: myVar != 'ok'}"
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How to save a Python interactive session?
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Installed Ruby 1.9.3 with RVM but command line doesn't show ruby -v
...nd you need some hand-holding, take a look at Installing Ruby on Ubuntu 12.04, which gives a bit more explanation.
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Local (?) variable referenced before assignment [duplicate]
...u will need to do define test1 as a global variable, for example:
test1 = 0
def testFunc():
global test1
test1 += 1
testFunc()
However, if you only need to read the global variable you can print it without using the keyword global, like so:
test1 = 0
def testFunc():
print test1
te...
Override back button to act like home button
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How can I use interface as a C# generic type constraint?
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answered Jul 8 '09 at 7:22
Marc Gravell♦Marc Gravell
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What's the proper way to install pip, virtualenv, and distribute for Python?
...tualenv
https://pypi.python.org/packages/source/v/virtualenv/virtualenv-12.0.7.tar.gz
(or whatever is the latest version!)
Unpack the source tarball
Use the unpacked tarball to create a clean virtual environment. This virtual environment will be used to "bootstrap" others. All of your virtual envir...