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Use of Initializers vs Constructors in Java
...initialization and still have the static variable be final. This is a big win.
I find "if (someStaticVar == null) // do stuff" to be messy and error prone. If it is initialized statically and declared final, then you avoid the possibility of it being null.
However, I'm confused when you say:
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Is there a performance gain in using single quotes vs double quotes in ruby?
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$ ruby -v
ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-darwin11.0.0]
$ cat benchmark_quotes.rb
# As of Ruby 1.9 Benchmark must be required
require 'benchmark'
n = 1000000
Benchmark.bm(15) do |x|
x.report("assign single") { n.times do; c = 'a string'; end}
x.report("assign doub...
Do browsers send “\r\n” or “\n” or does it depend on the browser?
...ne (such as a "Bio" for a user's profile) I always end up writing the following paranoid code:
2 Answers
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Input widths on Bootstrap 3
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This wins by far on the answers. It's clean, reusable, and just works. In fact, it should be put in bootstrap by default as this is a very common annoyance. Very rarely do you want pure block forms.
– baweave...
How do I get an animated gif to work in WPF?
...; Install-Package WpfAnimatedGif
and to use it, at a new namespace to the Window where you want to add the gif image and use it as below
<Window x:Class="MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
...
Should I use Python 32bit or Python 64bit
I have a win7 64bit installation. Must I use Python 64bit? What are the differences between the 32bit and 64bit Python versions anyway? Do different Python packages (such as south, django, mysqldb etc) support only 32bit/64bit?
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What’s the difference between “Array()” and “[]” while declaring a JavaScript array?
...They're the same!". Unfortunately you can't guarantee that.
Take the following example:
function Array() {
this.is = 'SPARTA';
}
var a = new Array();
var b = [];
alert(a.is); // => 'SPARTA'
alert(b.is); // => undefined
a.push('Woa'); // => TypeError: a.push is not a function
b.pus...
How do I connect to a MySQL Database in Python?
...ll it using easy_install. Please note MySQLdb only supports Python 2.
For Windows user, you can get an exe of MySQLdb.
For Linux, this is a casual package (python-mysqldb). (You can use sudo apt-get install python-mysqldb (for debian based distros), yum install MySQL-python (for rpm-based), or dn...
Mechanisms for tracking DB schema changes [closed]
...o people would try to create the same N.sql file. Of course, the first one wins and the second one is forced to rename to the next highest number and try again. We didn't have the database versioning on a branch, though.
– rix0rrr
Nov 25 '10 at 13:34
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How to detect modifier key states in WPF?
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I could not catch the windows key modifier using this method. (CTRL worked fine.) I was trying to catch WIN+RightArrow.
– ANeves thinks SE is evil
May 6 '14 at 19:15
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