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Segmentation fault on large array sizes
...d be fine, assuming your machine has enough memory.
int* array = new int[1000000];
But remember that this will require you to delete[] the array. A better solution would be to use std::vector<int> and resize it to 1000000 elements.
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Check if a table exists in Rails
...ke task that won't work unless a table exists. I'm working with more than 20 engineers on a website so I want to make sure they have migrated the table before they can do a rake task which will populate that respective table.
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How to generate gcc debug symbol outside the build target?
... information.
This is the bash script:
#!/bin/bash
scriptdir=`dirname ${0}`
scriptdir=`(cd ${scriptdir}; pwd)`
scriptname=`basename ${0}`
set -e
function errorexit()
{
errorcode=${1}
shift
echo $@
exit ${errorcode}
}
function usage()
{
echo "USAGE ${scriptname} <tostrip>"
}
to...
Rolling back a remote Git repository
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answered Feb 25 '09 at 23:51
elmarcoelmarco
26.1k2121 gold badges5757 silver badges6868 bronze badges
...
android fragment onRestoreInstanceState
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204
Fragments do not have an onRestoreInstanceState method.
You can achieve the same result in onA...
John Carmack's Unusual Fast Inverse Square Root (Quake III)
...ates the inverse square root of a float, 4x faster than regular (float)(1.0/sqrt(x)) , including a strange 0x5f3759df constant. See the code below. Can someone explain line by line what exactly is going on here and why this works so much faster than the regular implementation?
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MSTest copy file to test run folder
...|
edited Nov 22 '13 at 17:06
Richard Ev
47.6k5353 gold badges179179 silver badges271271 bronze badges
an...
Undo a Git commit after push using reverse patch?
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50
Sounds like you want to use git-revert.
https://www.kernel.org/pub/software/scm/git/docs/git-re...
Pull request without forking?
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sorin
128k133133 gold badges440440 silver badges675675 bronze badges
answered Feb 11 '13 at 22:03
Ryan BiggRyan Bigg
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Get hostname of current request in node.js Express
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206
If you're talking about an HTTP request, you can find the request host in:
request.headers.hos...