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How does java do modulus calculations with negative numbers?
...his:
int r = x % n;
if (r > 0 && x < 0)
{
r -= n;
}
Likewise if you were using a language that returns a negative number on a negative input and you would prefer positive:
int r = x % n;
if (r < 0)
{
r += n;
}
...
Case insensitive regular expression without re.compile?
... edited Jun 26 '16 at 11:26
Mark Amery
98.8k4848 gold badges336336 silver badges379379 bronze badges
answered Feb 1 '09 at 14:01
...
gdb fails with “Unable to find Mach task port for process-id” error
...enough to codesign the gdb executable.
You have to follow this guide to make it work: http://www.opensource.apple.com/source/lldb/lldb-69/docs/code-signing.txt
The guide explains how to do it for lldb, but the process is exactly the same for gdb.
...
SQL Server Insert if not exists
... Data)
VALUES (@_DE, @_ASSUNTO, @_DATA)
END
END
Updated : (thanks to @Marc Durdin for pointing)
Note that under high load, this will still sometimes fail, because a second connection can pass the IF NOT EXISTS test before the first connection executes the INSERT, i.e. a race condition. ...
calling non-static method in static method in Java [duplicate]
...
danbendanben
70.8k1818 gold badges113113 silver badges140140 bronze badges
add...
Pass a PHP string to a JavaScript variable (and escape newlines) [duplicate]
...ains </script> will be escaped safely for printing with a script block.
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Build Error - missing required architecture i386 in file
...
This happens when you add a framework to your project and unintentionally copy the framework into your project directory.
The fix is to check your project directory (where you store your project on disk) for any iphone SDK *.Framework files and delete them.
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How do you get centered content using Twitter Bootstrap?
...classes, row or span12 with a text-align: center. See http://jsfiddle.net/xKSUH/ or http://jsfiddle.net/xKSUH/1/
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Exception.Message vs Exception.ToString()
...se output, containing the exception type, the message (from before), a stack trace, and all of these things again for nested/inner exceptions. More precisely, the method returns the following:
ToString returns a representation of the current exception that is intended to be understood by humans. Wh...
Python requests - print entire http request (raw)?
...ill be sent to the server".
One can use this to pretty print a request, like so:
import requests
req = requests.Request('POST','http://stackoverflow.com',headers={'X-Custom':'Test'},data='a=1&b=2')
prepared = req.prepare()
def pretty_print_POST(req):
"""
At this point it is completel...