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Getting a random value from a JavaScript array
...s to performance optimization while producing output using UI elements, ~~ wins the game. MORE INFO
var rand = myArray[~~(Math.random() * myArray.length)];
But if you know that the array is going to have millions of elements than you might want to reconsider between Bitwise Operator and Math.Floor(...
Windows batch script launch program and exit console
... I double click on this batch file, notepad starts normally, but the black window of the cmd who launched notepad.exe remains in the background. What do I have to do in order to launch notepad.exe and make the cmd window disappear?
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Overriding a Rails default_scope
...rder('created_at desc')
end
Foo.reorder('created_at asc')
runs the following SQL:
SELECT * FROM "foos" ORDER BY created_at asc
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Batch file to delete files older than N days
...entation for more details.
For more goodies, refer to An A-Z Index of the Windows XP command line.
If you don't have forfiles installed on your machine, copy it from any Windows Server 2003 to your Windows XP machine at %WinDir%\system32\. This is possible since the EXE is fully compatible bet...
Building with Lombok's @Slf4j and Intellij: Cannot find symbol log
... Deployment->Compiler->Annotation Processors. IntelliJ is not really winning points with me.
– demaniak
Sep 10 '18 at 7:16
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PHP: Storing 'objects' inside the $_SESSION
...hing the state into nooks and crannies amounts to some kind of theoretical win is just wrong. State is state. If you use state, you lose the various technical advantages gained by being stateless. This is not something to lose sleep over unless you know in advance that you ought to be losing slee...
Where are the recorded macros stored in Notepad++?
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In Windows the macros are saved at %AppData%\Notepad++\shortcuts.xml
(Windows logo key + E and copy&paste %AppData%\Notepad++\)
Or:
In Windows < 7 (including Win2008/R2) the macros are saved at C:\Documents and
Setting...
How to extract the hostname portion of a URL in JavaScript
...ith this address: http://sub.domain.com/virtualPath/page.htm. use the following in page code to achive those results:
window.location.host : you'll get sub.domain.com:8080 or sub.domain.com:80
window.location.hostname : you'll get sub.domain.com
window.location.protocol : you'll get http:
window.l...
What is the difference between mutex and critical section?
Please explain from Linux, Windows perspectives?
10 Answers
10
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How to convert a file into a dictionary?
...) works if both keys and value are one word long. If my text file has following data.How do I make year as keys and winning team as values. 1903 Boston Americans 1904 No World Series 1905 New York Giants 1906 Chicago White Sox 1907 Chicago Cubs 1908 Chicago Cubs
– Ridhi
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