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Export to CSV via PHP

...: function download_send_headers($filename) { // disable caching $now = gmdate("D, d M Y H:i:s"); header("Expires: Tue, 03 Jul 2001 06:00:00 GMT"); header("Cache-Control: max-age=0, no-cache, must-revalidate, proxy-revalidate"); header("Last-Modified: {$now} GMT"); // force...
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Is there a way to detect if a browser window is not currently active?

...ecommendation status thanks to the W3C. The Page Visibility API (on MDN) now allows us to more accurately detect when a page is hidden to the user. document.addEventListener("visibilitychange", onchange); Current browser support: Chrome 13+ Internet Explorer 10+ Firefox 10+ Opera 12.10+ [read...
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Sequelize.js: how to use migrations and sync

...isten(3000); // do your stuff }); }); I can't try this right now, but at first look it should work. UPD Apr. 2016 After a year, still useful, so sharing my current tips. For now, I'm installing sequelize-cli package as required live dependancy, and then modify NPM startup scripts in ...
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Rspec doesn't see my model Class. uninitialized constant error

... versions of RSpec move some stuff out of the spec/spec_helper.rb file, so now you also get a spec/rails_helper.rb file. If you run rails generate rspec:install, this is what it produces (rspec-rails 3.0.1, rails 4.1.1). Turns out the rails_helper.rb file contains some similar code to yours and shou...
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Error: This Android SDK requires Android Developer Toolkit version 22.6.1 or above

...> add this url : https://dl-ssl.google.com/eclipse/plugin/4.2 -> OK Now it will list the available updates, which should ideally be adt 20.x.x Select the list items Let it be installed. Eclipse will restart and Its done. I hope this will helpful for you :) ...
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When to use UICollectionView instead of UITableView?

...do that with collectionview). I was always using tableviews by default but now I doubt if that makes sense to switch to collectionviews instead. Am I missing something? – vir us Aug 29 '17 at 16:11 ...
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What is the role of the bias in neural networks? [closed]

...edited Jan 10 '17 at 0:21 AwokeKnowing 5,56755 gold badges2828 silver badges4141 bronze badges answered Nov 4 '14 at 0:32 ...
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Is it feasible to compile Python to machine code?

... shedskin has had no work done on it in about two years now. :( – Perkins Aug 27 '18 at 17:58 add a comment  |  ...
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How do I compare two DateTime objects in PHP 5.2.8?

...jects can be compared using comparison operators. $date1 = new DateTime("now"); $date2 = new DateTime("tomorrow"); var_dump($date1 == $date2); // false var_dump($date1 < $date2); // true var_dump($date1 > $date2); // false For PHP versions before 5.2.2 (actually for any version), you can ...
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CSS 100% height with padding/margin

...ly work under IE6. Adding Dean Edwards' IE9.js to the page made this work. Now I just have to hope and pray that the relative/absolute positioning doesn't screw with something in a child element... – Christopher Parker May 19 '10 at 18:34 ...