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How do you pass arguments to define_method?
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198
The block that you pass to define_method can include some parameters. That's how your defined ...
Function to return only alpha-numeric characters from string?
...stricted to just A-Z.
Try this to remove everything except a-z, A-Z and 0-9:
$result = preg_replace("/[^a-zA-Z0-9]+/", "", $s);
If your definition of alphanumeric includes letters in foreign languages and obsolete scripts then you will need to use the Unicode character classes.
Try this to leav...
How to directly initialize a HashMap (in a literal way)?
...ntry: There is Collections.singletonMap("key", "value").
For Java Version 9 or higher:
Yes, this is possible now. In Java 9 a couple of factory methods have been added that simplify the creation of maps :
// this works for up to 10 elements:
Map<String, String> test1 = Map.of(
"a", "b",...
Redirect from asp.net web api post action
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Darin DimitrovDarin Dimitrov
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How to toggle a boolean?
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964
bool = !bool;
This holds true in most languages.
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JavaScript: location.href to open in new window/tab?
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961
window.open(
'https://support.wwf.org.uk/earth_hour/index.php?type=individual',
'_blank' /...
Using sed, how do you print the first 'N' characters of a line?
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answered Feb 11 '09 at 20:42
Paul TomblinPaul Tomblin
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JavaScript data formatting/pretty printer
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edited Jul 9 '14 at 16:26
gprathour
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How to output messages to the Eclipse console when developing for Android
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edited May 9 '12 at 11:18
answered Jun 9 '10 at 16:25
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Exact time measurement for performance testing [duplicate]
...trandjev
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answered Jun 9 '09 at 10:40
Philippe LeybaertPhilippe Leybaert
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