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In log4j, does checking isDebugEnabled before logging improve performance?
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answered Jun 8 '09 at 6:44
ericksonerickson
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How to retrieve POST query parameters?
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Things have changed once again starting Express 4.16.0, you can now use express.json() and express.urlencoded() just like in Express 3.0.
This was different starting Express 4.0 to 4.15:
$ npm install --save body-parser
and then:
var bodyParser = require('body-parser')
app...
array_push() with key value pair
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answered Aug 30 '09 at 22:22
dusoftdusoft
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Ruby - elegantly convert variable to an array if not an array already
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event.preventDefault() function not working in IE
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answered Jun 16 '09 at 10:10
AlsciendeAlsciende
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JFrame in full screen Java
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208
Add:
frame.setExtendedState(JFrame.MAXIMIZED_BOTH);
frame.setUndecorated(true);
frame.setVisi...
Insert, on duplicate update in PostgreSQL?
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540
PostgreSQL since version 9.5 has UPSERT syntax, with ON CONFLICT clause. with the following synt...
How do I get the last four characters from a string in C#?
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mystring.Substring(Math.Max(0, mystring.Length - 4)); //how many lines is this?
If you're positive the length of your string is at least 4, then it's even shorter:
mystring.Substring(mystring.Length - 4);
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Trigger change event of dropdown
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edited Aug 17 '18 at 7:20
answered May 24 '09 at 15:18
Ch...
How to flip UIImage horizontally?
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edited Apr 30 at 21:43
iwasrobbed
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