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How to read lines of a file in Ruby

...ne| print "#{line_num += 1} #{line}" end Of course this could be a bad idea on very large files since it means loading the whole file into memory. share | improve this answer | ...
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Extract a number from a string (JavaScript)

... return 'num = str.replace(/' + res[i].source + '/g, "")'; return 'no idea'; }; function update() { $ = function(x) { return document.getElementById(x) }; var re = getre($('str').value, $('num').value); $('re').innerHTML = 'Numex speaks: <code>' + re + '</code>'; } <...
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Prevent screen rotation on Android

... great idea :) you don't have store your current screen orientation you can use ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED – fligant Apr 22 '14 at 14:07 ...
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How to get a value from a cell of a dataframe?

... @Sophologist looking at this, I have no idea. The question is a little strangely worded, but it reads like the first half is immaterial to the latter. (at is a really nice answer, though I find it strange it's like ix :) ) – Andy Hayden ...
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How to comment out a block of code in Python [duplicate]

... -1 retracted. That's a clever idea, though it may mean that the comments need comments :) – Ed S. Mar 23 '09 at 22:49 2 ...
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How to loop through all enum values in C#? [duplicate]

...erformance difference is negligible in common usage. I just don't like the idea of creating an iterator when I already have an iterable (enumerable) object to return. – Şafak Gür Jul 31 '14 at 8:33 ...
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PHP array: count or sizeof?

...function might be very minimally slower, but admited that i really have no idea by prefacing it with the word "perhaps." Sorry if that offended you. Maybe next time i'll use the word "infinitesimal." – Andy Groff Oct 20 '10 at 3:10 ...
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How to detect first time app launch on an iPhone

... Another idea for Xcode 7 and Swift 2.0 is to use extensions extension NSUserDefaults { func isFirstLaunch() -> Bool { if !NSUserDefaults.standardUserDefaults().boolForKey("HasAtLeastLaunchedOnce") { NSUser...
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Can I use require(“path”).join to safely concatenate urls?

... Good idea, but what if the first argument already have a slash at the end? eg.: ["posts/", "2013"].join("/")? – Renato Gama Apr 30 '13 at 13:57 ...
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Change Twitter Bootstrap Tooltip content on click

... Couldn't find documentation on 'fixTitle', so I guess not a good idea to use this!? ... – user2846569 Feb 23 '15 at 14:58 18 ...