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Null vs. False vs. 0 in PHP

...ity a function can return false for non existent values (e.g. strpos, input_filter) and null for failure (e.g. input_filter). so the answer is, use ===false and/or ===null, after reading that particular function documentation. – gcb Apr 18 '11 at 9:33 ...
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What algorithm can be used for packing rectangles of different sizes into the smallest rectangle pos

... I was just playing with something like that on a bit of paper, right now looks fairly optimal in most cases, even without rotating the rectangles or anything – Fire Lancer Jul 31 '09 at 16:37 ...
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Cannot drop database because it is currently in use

... 109 before dropping a database, you drop the connection to that database first. I have found a so...
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UDP vs TCP, how much faster is it? [closed]

...ry if things got missed, and enforce correct order. This would add a small bit of overhead in certain places. Thankfully, some very very smart people have done this, and they called it TCP. Think of it this way: If a packet goes missing, would you rather just get the next packet as quickly as poss...
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How can I generate a diff for a single file between two branches in github

...command line. You can find the full script on gist, but here are the good bits: # Parse the following patterns for repo urls to get the github repo url # https://github.com/owner/repo-name.git # git@github.com:owner/repo-name.git BASE_URL="https://github.com/""$(git config --get remote.origin.url ...
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Take a screenshot of a webpage with JavaScript?

...screenshot a page! – Ricket May 21 '10 at 0:25 What an "HTA" please? – Pete Alvin ...
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Setting the default value of a DateTime Property to DateTime.Now inside the System.ComponentModel De

... 10 A get part can be simplified to: return dateCreated ?? DateTime.Now; – Vsevolod Krasnov Aug 24 '16 a...
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What's wrong with cplusplus.com?

... us at this site to develop our own C++ reference. This would take quite a bit of work. We'd have to be careful not to be too pedantic / too technical; it is obvious that cplusplus.com employs at least a few technical editors who keep the pedants at bay. We'd have to keep the information well-organi...
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Tools for analyzing performance of a Haskell program

...gt; numDivs x > n) triaList With the same overall running time, but a bit cleaner code. share | improve this answer | follow | ...
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UICollectionView spacing margins

... answered Jan 15 '13 at 10:48 michael23michael23 3,49611 gold badge1212 silver badges1010 bronze badges ...