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How can I measure the speed of code written in PHP? [closed]

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How to Copy Contents of One Canvas to Another Canvas Locally

...tion passing it the source canvas directly destCtx.drawImage(sourceCanvas, 0, 0); Way faster than using an ImageData object or Image element. Note that sourceCanvas can be a HTMLImageElement, HTMLVideoElement, or a HTMLCanvasElement. As mentioned by Dave in a comment below this answer, you cannot...
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how to mysqldump remote db from local machine

... 250 As I haven't seen it at serverfault yet, and the answer is quite simple: Change: ssh -f -L3310...
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Datatable vs Dataset

... | edited Apr 30 '15 at 10:31 Hossein Narimani Rad 26.3k1414 gold badges7575 silver badges106106 bronze badges ...
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What is the reason for having '//' in Python? [duplicate]

...erands was already a floating point number. In Python 2.X: >>> 10/3 3 >>> # to get a floating point number from integer division: >>> 10.0/3 3.3333333333333335 >>> float(10)/3 3.3333333333333335 In Python 3: >>> 10/3 3.3333333333333335 >>> 1...
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What's the simplest way to subtract a month from a date in Python?

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Sound effects in JavaScript / HTML5

...multiple instances of the Audio object. You could also set snd.currentTime=0 on the object after it finishes playing. Since the JS constructor doesn't support fallback <source> elements, you should use (new Audio()).canPlayType("audio/ogg; codecs=vorbis") to test whether the browser sup...
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What should a Multipart HTTP request with multiple files look like? [duplicate]

... dot ("."). POST /cgi-bin/qtest HTTP/1.1 Host: aram User-Agent: Mozilla/5.0 Gecko/2009042316 Firefox/3.0.10 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-us,en;q=0.5 Accept-Encoding: gzip,deflate Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive...
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Subscripts in plots in R

... answered Apr 14 '12 at 19:05 smusmu 7,04722 gold badges1616 silver badges1414 bronze badges ...
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How to avoid scientific notation for large numbers in JavaScript?

...tific notation if the number is >= 1e21 and has a maximum precision of 20. Other than that, you can roll your own, but it will be messy. function toFixed(x) { if (Math.abs(x) < 1.0) { var e = parseInt(x.toString().split('e-')[1]); if (e) { x *= Math.pow(10,e-1); x = ...