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Quick Sort Vs Merge Sort [duplicate]
...e its inner loop can
be efficiently implemented on most
architectures, and in most real-world
data, it is possible to make design
choices which minimize the probability
of requiring quadratic time.
Note that the very low memory requirement is a big plus as well.
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How to create a zip archive with PowerShell?
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If you head on over to CodePlex and grab the PowerShell Community Extensions, you can use their write-zip cmdlet.
Since
CodePlex is in read-only mode in preparation for shutdown
you can go to PowerShell Gallery.
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GROUP BY with MAX(DATE) [duplicate]
...able
GROUP BY Train
) r
INNER JOIN TrainTable t
ON t.Train = r.Train AND t.Time = r.MaxTime
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Size of font in CSS with slash
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This actually sets two properties and is equivalent to:
font-size: 100%;
line-height: 120%;
To quote the official documentation:
The syntax of this property is based on a traditional typographical shorthand notation to set multiple properties related t...
Check if directory mounted with bash
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Running the mount command without arguments will tell you the current mounts. From a shell script, you can check for the mount point with grep and an if-statement:
if mount | grep /mnt/md0 > /dev/null; then
echo "yay"
else
echo "nay"
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What are five things you hate about your favorite language? [closed]
...avorite language " question to Stack Overflow. Take your favorite language and tell me five things you hate about it. Those might be things that just annoy you, admitted design flaws, recognized performance problems, or any other category. You just have to hate it, and it has to be your favorite lan...
ipython reads wrong python version
I've been having trouble with Python, iPython and the libraries. The following points show the chain of the problematics. I'm running Python 2.7 on Mac Lion.
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What is a regular expression for a MAC Address?
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The standard (IEEE 802) format for
printing MAC-48 addresses in
human-friendly form is six groups of
two hexadecimal digits, separated by
hyphens - or colons :.
So:
^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$
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Swift alert view with OK and Cancel: which button tapped?
I have an alert view in Xcode written in Swift and I'd like to determine which button the user selected (it is a confirmation dialog) to do nothing or to execute something.
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What is the difference between Class.this and this in Java
...ence a nonstatic InnerClass will always have a reference of its OuterClass and all the
fields and methods of OuterClass is available to the InnerClass.
public static void main(String[] args) {
OuterClass outer_instance = new OuterClass();
OuterClass.InnerClass inner_instance1 = out...