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List of Big-O for PHP functions

...s O(1) to give a more realistic big-O. For example the different between N=1000 and N=100000 is only about 50% slow down. isset( $array[$index] ) O(n) but really close to O(1) - it uses the same lookup as array_key_exists. Since it's language construct, will cache the lookup if the key is hardcoded...
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Ruby max integer

...Matthew CrumleyMatthew Crumley 90.7k2424 gold badges101101 silver badges124124 bronze badges 1 ...
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Exception.Message vs Exception.ToString()

... answered Feb 1 '10 at 12:55 Jørn Schou-RodeJørn Schou-Rode 35.1k1313 gold badges7979 silver badges117117 bronze badges ...
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How to drop columns by name in a data frame

... jubajuba 41k1111 gold badges9696 silver badges109109 bronze badges 2 ...
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How to tell if rails is in production?

... answered Aug 22 '11 at 7:10 Krishnaprasad VarmaKrishnaprasad Varma 4,35055 gold badges2424 silver badges4040 bronze badges ...
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How to use jQuery in chrome extension?

... "matches":["http://website*"], "js":["thirdParty/jquery.1.10.2.min.js", "script.js"], "css": ["css/style.css"], "run_at": "document_end" } ] This is what I did. Also, if I recall correctly, the background scripts are executed in a background wi...
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jQuery - checkbox enable/disable

... answered Feb 24 '10 at 22:45 cletuscletus 561k152152 gold badges873873 silver badges927927 bronze badges ...
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Best way to represent a fraction in Java?

...umber. (Which, for 1.1, is: * (-1)^0 * 2^0 * (1 + 0x199999999999aL / 0x10000000000000L).) * * NOTE: In many cases, BigFraction(Double.toString(d)) may give a result * closer to what the user expects. */ public BigFraction(double d) { if(Double.isInfinite(d)) throw new ...
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Why can't a 'continue' statement be inside a 'finally' block?

... answered Aug 1 '13 at 10:15 R. Martinho FernandesR. Martinho Fernandes 203k6565 gold badges404404 silver badges487487 bronze badges ...
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“open/close” SqlConnection or keep open?

... answered Dec 14 '10 at 13:02 Adriaan StanderAdriaan Stander 146k2626 gold badges261261 silver badges272272 bronze badges ...