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What is the difference between return and return()?
... be in a function, so the function returns the value of the expression, or if there isn't one, undefined.
– RobG
Apr 10 '14 at 13:11
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What are the differences between Perl, Python, AWK and sed? [closed]
just want to know what are the main differences among them? and the power of each language (where it's better to use it).
5...
multiple tags
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@igasparetto Completely valid, especially if you're using it in a way that represents the structure of the content and not merely for the convenience of styling.
– coreyward
Oct 16 '15 at 16:39
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What's the best way to set a single pixel in an HTML5 canvas?
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I'd give you another +10 if I could for filing the bug report! :)
– Alnitak
Feb 8 '11 at 17:03
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How do I resize an image using PIL and maintain its aspect ratio?
...sys.argv[1:]:
outfile = os.path.splitext(infile)[0] + ".thumbnail"
if infile != outfile:
try:
im = Image.open(infile)
im.thumbnail(size, Image.ANTIALIAS)
im.save(outfile, "JPEG")
except IOError:
print "cannot create thumbnail fo...
JSP : JSTL's tag
...c:out escapes HTML characters so that you can avoid cross-site scripting.
if person.name = <script>alert("Yo")</script>
the script will be executed in the second case, but not when using c:out
share
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Android Studio IDE: Break on Exception
...elected
Condition: !(this instanceof java.lang.ClassNotFoundException)
Notifications: both Caught exception and Uncaught exception selected
Define filters that specify namespaces of libraries that the debugger should break on: Check the Class filters checkbox to enable class filtering (as men...
JSHint and jQuery: '$' is not defined
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If you are using a relatively recent version of JSHint, the generally preferred approach is to create a .jshintrc file in the root of your project, and put this config in it:
{
"globals": {
"$": false
}
}
T...
How do I force make/GCC to show me the commands?
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Difference is that make -n does not execute the commands. Thus correct answer is make V=1
– m-ric
Sep 27 '12 at 15:20
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Escaping regex string
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Return string with all non-alphanumerics backslashed; this is useful if you want to match an arbitrary literal string that may have regular expression metacharacters in it.
A simplistic example, search any occurence of the provided string optionally followed by 's', and return the match obje...