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Sorting data based on second column of a file
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You can use the sort command:
sort -k2 -n yourfile
-n, --numeric-sort compare according to string numerical value
For example:
$ cat ages.txt
Bob 12
Jane 48
Mark 3
Tashi 54
$ sort -k2 -n ages.txt
Mark 3
Bob 12
Jane 48
Tashi 54
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oh-my-zsh slow, but only for certain Git repo
..."main" project, everything is slow. What I mean is that every time I run a command - ls , for example - there's about a five-second delay between the time the command is executed and the time I can use the terminal again.
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How do I correctly clone a JavaScript object?
...appy to be wrong!
When I had to implement general deep copying I ended up compromising by assuming that I would only need to copy a plain Object, Array, Date, String, Number, or Boolean. The last 3 types are immutable, so I could perform a shallow copy and not worry about it changing. I further ass...
How to attach file to a github issue?
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You upload it somewhere and add the link in a comment. GitHub's Issues is rather primitive and doesn't allow attaching files.
Update: You can post images to GitHub issues now. The easiest way is to copy the image (right click, Copy image) and then paste it into the tex...
Generate random string/characters in JavaScript
I want a 5 character string composed of characters picked randomly from the set [a-zA-Z0-9] .
77 Answers
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How to convert a selection to lowercase or uppercase in Sublime Text
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From the Sublime Text docs for Windows/Linux:
Keypress Command
Ctrl + K, Ctrl + U Transform to Uppercase
Ctrl + K, Ctrl + L Transform to Lowercase
and for Mac:
Keypress Command
cmd + KU Transform to Uppercase
cmd + KL Transform to Lowercase
Also note that Ctrl + S...
Is there a DesignMode property in WPF?
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Indeed there is:
System.ComponentModel.DesignerProperties.GetIsInDesignMode
Example:
using System.ComponentModel;
using System.Windows;
using System.Windows.Controls;
public class MyUserControl : UserControl
{
public MyUserControl()
{
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How do you comment out code in PowerShell?
How do you comment out code in PowerShell (1.0 or 2.0)?
8 Answers
8
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How to grant remote access to MySQL for a whole subnet?
...use a percent sign as a wildcard in the IP address.
From http://dev.mysql.com/doc/refman/5.1/en/grant.html
You can specify wildcards in the host name. For example, user_name@'%.example.com' applies to user_name for any host in the example.com domain, and user_name@'192.168.1.%' applies to user_...
What reason is there to use null instead of undefined in JavaScript?
...ect was expected (or that there was an error). My problem with that is its completely arbitrary, and totally unnecessary.
That said, there is one major difference - variables that aren't initialized (including function parameters where no argument was passed, among other things) are always undefin...