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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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Visual Studio 2010 IntelliSense doesn't select a default value - it just marks it
I have a pretty annoying problem with the IntelliSense in Visual Studio 2010:
7 Answers
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Storing SHA1 hash values in MySQL
...racters. But if you use 8 bit per character, you would only need a 160/8 = 20 character long field.
So I recommend you to use BINARY(20) and the UNHEX function to convert the SHA1 value to binary.
I compared storage requirements for BINARY(20) and CHAR(40).
CREATE TABLE `binary` (
`id` int un...
Generic List - moving an item within the list
...ially what the ObservableCollection does in it's own Move method.
UPDATE 2015-12-30: You can see the source code for the Move and MoveItem methods in corefx now for yourself without using Reflector/ILSpy since .NET is open source.
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How to clone git repository with specific revision/changeset?
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211
UPDATE 2 Since Git 2.5.0 the feature described below can be enabled on server side with config...
Keep only first n characters in a string?
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edited Apr 12 '14 at 11:37
andrewb
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Replacement for deprecated sizeWithFont: in iOS 7?
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20 Answers
20
Active
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Why does C++ not allow inherited friendship?
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edited May 29 '17 at 3:52
community wiki
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handlerbars.js check if list is empty
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209
The "each" tag can take an "else" section too. So the simplest form is:
{{#each items}}
// re...
Bash script processing limited number of commands in parallel
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332
Use the wait built-in:
process1 &
process2 &
process3 &
process4 &
wait
process...