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Merge multiple lines (two blocks) in Vim

... You can certainly do all this with a single copy/paste (using block-mode selection), but I'm guessing that's not what you want. If you want to do this with just Ex commands :5,8del | let l=split(@") | 1,4s/$/\=remove(l,0)/ will transform work it make it do it makes us harder better faster...
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php is null or empty?

... @Robert: A string not starting with digits is converted to 0 when cast to a string: codepad.org/qi40SG3E. So (int)"php" == 0. – Felix Kling Nov 27 '13 at 21:58 ...
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Best cross-browser method to capture CTRL+S with JQuery?

... This has been converted to a jQuery plugin, forked and reforked, and now supports 1.6.x: github.com/ricardovaleriano/jquery.hotkeys – Félix Saparelli Jul 26 '11 at 4:08 ...
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Is there a rule-of-thumb for how to divide a dataset into training and validation sets?

...o training and validation (again, 80/20 is a fair split). Subsample random selections of your training data, train the classifier with this, and record the performance on the validation set Try a series of runs with different amounts of training data: randomly sample 20% of it, say, 10 times and obs...
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How exactly does work?

...ere are up to date. I was addressing the fact that the wrong answer wasn't selected at the time the question was asked. Perhaps you should police the folks spreading false assessments about the community improperly selecting answers, instead of folks trying to remind people that things change over ...
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What is DOCTYPE?

...de), depending on the exact spelling of the DOCTYPE. You want to use it to select a browser mode that best suits your page. Formally, in SGML and XML, a DOCTYPE declaration is a reference to a Document Type Definition (DTD), which specifies the formal syntax rules of the markup language. No browser...
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Format bytes to kilobytes, megabytes, gigabytes

...] Number of digits after the decimal point (eg. 1) * @return string Value converted with unit (eg. 25.3KB) */ function formatBytes($bytes, $precision = 2) { $unit = ["B", "KB", "MB", "GB"]; $exp = floor(log($bytes, 1024)) | 0; return round($bytes / (pow(1024, $exp)), $precision).$unit[...
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Check a radio button with javascript

... Technically it's CSS selector syntax. jQuery just borrowed and extended it – Tim Seguine Jan 16 '14 at 16:10 ...
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How can I get a Dialog style activity window to fill the screen?

...idth and Height were completely wrong and couldn't figure out how to fix. Converting the root layout to a RelativeLayout fixed my issues as well! – SharpMobileCode Sep 15 '17 at 18:27 ...
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Open new Terminal Tab from command line (Mac OS X)

...masReggi: Add -e 'tell application "Terminal" to do script "echo hello" in selected tab of the front window' to the end of the osascript command. – Gordon Davisson Aug 26 '12 at 20:14 ...