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Maximum Length of Command Line String
...mmand-line string limitation
On computers running Microsoft Windows XP or later, the maximum length of the string that you can use at the command prompt is 8191 characters.
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Why do variable names often start with the letter 'm'? [duplicate]
Looking at the Android tutorials such as the Notepad tutorial , I noticed that almost all variables are named starting with the letter 'm'. What convention is this, and where does it originate from?
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Get the POST request body from HttpServletRequest
...In Java 8, you can do it in a simpler and clean way :
if ("POST".equalsIgnoreCase(request.getMethod()))
{
test = request.getReader().lines().collect(Collectors.joining(System.lineSeparator()));
}
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What is this date format? 2011-08-12T20:17:46.384Z
I have the following date: 2011-08-12T20:17:46.384Z . What format is this? I'm trying to parse it with Java 1.4 via DateFormat.getDateInstance().parse(dateStr) and I'm getting
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`levels
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The answers here are good, but they are missing an important point. Let me try and describe it.
R is a functional language and does not like to mutate its objects. But it does allow assignment statements, using replacement functions:
levels(x) <- y
is equivalent to
x <...
Early exit from function?
... you start binding events that have a return in them. Check out this post for more info: fuelyourcoding.com/jquery-events-stop-misusing-return-false
– user603284
Jul 14 '11 at 21:53
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Why are empty strings returned in split() results?
...str.join, so
"/".join(['', 'segment', 'segment', ''])
gets you back the original string.
If the empty strings were not there, the first and last '/' would be missing after the join()
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How to replace an item in an array with Javascript?
... items[index] = 1010;
}
Also it is recommend you not use the constructor method to initialize your arrays. Instead, use the literal syntax:
var items = [523, 3452, 334, 31, 5346];
You can also use the ~ operator if you are into terse JavaScript and want to shorten the -1 comparison:
var ind...
How to check what user php is running as?
...y that your PHP process is running under anything but the default www-data or apache account.
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Rails has_and_belongs_to_many migration
I have two models restaurant and user that I want to perform a has_and_belongs_to_many relationship.
4 Answers
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