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Curly braces in string in PHP
...ax
echo "This works: {$arr['key']}";
// Works
echo "This works: {$arr[4][3]}";
// This is wrong for the same reason as $foo[bar] is wrong outside a string.
// In other words, it will still work, but only because PHP first looks for a
// constant named foo; an error of level E_NOTICE (undefined c...
What's a good rate limiting algorithm?
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233
Here the simplest algorithm, if you want just to drop messages when they arrive too quickly (in...
Validating IPv4 addresses with regexp
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36 Answers
36
Active
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How to change the indentation width in emacs javascript mode
I'd like to use 2 spaces for my indents instead of 4. I can change the default behavior of C mode using:
9 Answers
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How to get disk capacity and free space of remote computer
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$disk = Get-WmiObject Win32_LogicalDisk -ComputerName remotecomputer -Filter "DeviceID='C:'" |
Select-Object Size,FreeSpace
$disk.Size
$disk.FreeSpace
To extract the values only and assign them to a variable:
$disk = Get-WmiObject Win32_LogicalDi...
Install a .NET windows service without InstallUtil.exe
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Ian Kemp
21.9k1414 gold badges9393 silver badges116116 bronze badges
answered Oct 31 '08 at 21:49
Marc Gravell♦Marc Gravell
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Disable individual Python unit tests temporarily
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233
Individual test methods or classes can both be disabled using the unittest.skip decorator.
@un...
google oauth2 redirect_uri with several parameters
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237
You cannot add anything to the redirect uri, redirect uri is constant as set
in the app settin...
How to 'insert if not exists' in MySQL?
...accomplish what is
expected using existing functionality.
There are 3 possible solutions: using INSERT IGNORE, REPLACE, or
INSERT … ON DUPLICATE KEY UPDATE.
Imagine we have a table:
CREATE TABLE `transcripts` (
`ensembl_transcript_id` varchar(20) NOT NULL,
`transcript_chrom_start` i...