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How do malloc() and free() work?
...ps in your heap and thus it can happen, that you just finish off your 2 or 4 GB of virtual memory with gaps. This should be avoided, since as soon as the virtual memory is finished, you will be in really big trouble. The other reason is, that the OS can only handle memory chunks that are of a specif...
Why does installing Nokogiri on Mac OS fail with libiconv is missing?
...em
gem install nokogiri -- --with-iconv-dir=/usr/local/Cellar/libiconv/1.14
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Git - Undo pushed commits
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814
You can revert individual commits with:
git revert <commit_hash>
This will create a new...
Tracking the script execution time in PHP
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242
On unixoid systems (and in php 7+ on Windows as well), you can use getrusage, like:
// Script ...
How to add an object to an array
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648
Put anything into an array using Array.push().
var a=[], b={};
a.push(b);
// a[0] === b;
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Split string every nth character?
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574
>>> line = '1234567890'
>>> n = 2
>>> [line[i:i+n] for i in range(0, ...
Subtract 7 days from current date
... = [NSDate date];
NSDate *sevenDaysAgo = [now dateByAddingTimeInterval:-7*24*60*60];
NSLog(@"7 days ago: %@", sevenDaysAgo);
output:
7 days ago: 2012-04-11 11:35:38 +0000
Hope it helps
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How to print a number with commas as thousands separators in JavaScript
... commas as thousands separators. For example, I want to show the number 1234567 as "1,234,567". How would I go about doing this?
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How do I count unique values inside a list
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answered Sep 5 '12 at 19:04
VidulVidul
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Transaction marked as rollback only: How do I find the cause
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Ean VEan V
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