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Convert light frequency to RGB?

... Here's a detailed explanation of the entire conversion process: http://www.fourmilab.ch/documents/specrend/. Source code included! share | improve this answer | follow ...
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How do you configure Django for simple development and deployment?

...ther parts I have things like: if LIVEHOST: DEBUG = False PREPEND_WWW = True MEDIA_URL = 'http://static1.grsites.com/' else: DEBUG = True PREPEND_WWW = False MEDIA_URL = 'http://localhost:8000/static/' and so on. A little bit less readable, but it works fine and saves havi...
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PostgreSQL: Difference between text and varchar (character varying)

...l varlena (variable length array). Check this article from Depesz: http://www.depesz.com/index.php/2010/03/02/charx-vs-varcharx-vs-varchar-vs-text/ A couple of highlights: To sum it all up: char(n) – takes too much space when dealing with values shorter than n (pads them to n), and c...
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How can I detect if a browser is blocking a popup?

... exception list."); } }; Usage: var popup = window.open("http://www.google.ca", '_blank'); popupBlockerChecker.check(popup); Hope this helps! :) share | improve this answer | ...
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Embedding ads on Android app?

...pic: https://stackoverflow.com/questions/5514945/mopub-for-android http://www.mopub.com share | improve this answer | follow | ...
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How to draw polygons on an HTML5 canvas?

... from http://www.scienceprimer.com/drawing-regular-polygons-javascript-canvas: The following code will draw a hexagon. Change the number of sides to create different regular polygons. var ctx = document.getElementById('hexagon').get...
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Is there a Boolean data type in Microsoft SQL Server like there is in MySQL? [duplicate]

... on three valued logic- Example of three valued logic in SQL Server http://www.firstsql.com/idefend3.htm https://www.simple-talk.com/sql/learn-sql-server/sql-and-the-snare-of-three-valued-logic/ share | ...
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PHP memory profiling

...2.* version. Please search for the "removed functions" string here: http://www.xdebug.org/updates.php Removed functions Removed support for Memory profiling as that didn't work properly. So I've tried another tool and it worked well for me. https://github.com/arnaud-lb/php-memory-profiler This is ...
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Browsers' default CSS for HTML elements

...Trident), older versions: http://web.archive.org/web/20170122223926/http://www.iecss.com/ You can also look at the HTML5 Boilerplate stylesheet, which "normalizes the display of a lot of stuff without being a reset in the traditional sense". It also fixes quite a few bugs/inconsistencies. It's al...
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How to pass multiple parameters in a querystring

...n separators in addition to ampersand separators[6] to allow application/x-www-form-urlencoded query strings in URLs within HTML documents without having to entity escape ampersands. Technically, the form content is only encoded as a query string when the form submission method is GET. The same enco...