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How can I remove a key and its value from an associative array?
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381
You can use unset:
unset($array['key-here']);
Example:
$array = array("key1" => "value1...
MongoDB: update every document on one field
... document. In the Mongo shell, or with any MongoDB client:
$version >= 3.2:
db.foo.updateMany( {}, <update> )
{} is the condition (the empty condition matches any document)
3.2 > $version >= 2.2:
db.foo.update( {}, <update>, { multi: true } )
{} is the condition (the ...
How does the Java 'for each' loop work?
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1193
for (Iterator<String> i = someIterable.iterator(); i.hasNext();) {
String item = i.nex...
How do you organize your version control repository?
...get platform, etc.
Make every project build script reference its external (3rd-party) dependencies from a single local shared "library" directory, with every such binary FULLY identified by version: %DirLibraryRoot%\ComponentA-1.2.3.4.dll, %DirLibraryRoot%\ComponentB-5.6.7.8.dll.
Make every project...
Why does pthread_cond_wait have spurious wakeups?
... Thread Architect |
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Create a CSV File for a user in PHP
...er("Pragma: no-cache");
header("Expires: 0");
echo "record1,record2,record3\n";
die;
etc
Edit: Here's a snippet of code I use to optionally encode CSV fields:
function maybeEncodeCSVField($string) {
if(strpos($string, ',') !== false || strpos($string, '"') !== false || strpos($string, "\n")...
How do I reformat HTML code using Sublime Text 2?
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peterpeter
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Close iOS Keyboard by touching anywhere using Swift
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1328
override func viewDidLoad() {
super.viewDidLoad()
//Looks for single or multiple taps...
How to define hash tables in Bash?
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993
Bash 4
Bash 4 natively supports this feature. Make sure your script's hashbang is #!/usr/bin/e...
No increment operator (++) in Ruby? [duplicate]
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3 Answers
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