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Convert RGB to RGBA over white

... input values and r', g', b', and a' be the output values, all scaled (for now, as it makes the math prettier) between 1 and 0. Then, by the formula for overlaying colors: r = a' * r' + 1 - a' g = a' * g' + 1 - a' b = a' * b' + 1 - a' The 1 - a' terms represent the background contribution, and th...
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Run certain code every n seconds [duplicate]

...le, I guess I pasted the code from the web user manual. The above code is now corrected (still not tested, but it comes from my own working code and I am using it constantly). PS: maybe we are looking at different versions / modules? I'm sure my line is "from apscheduler.scheduler import Schedule...
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Node Version Manager install - nvm command not found

...ile", "open ~/.profile" , paste above, save+ close. works in new windows now – Sonic Soul Jun 4 '16 at 15:47 7 ...
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how to remove css property using javascript?

...erty of an element using JavaScript ? e.g. I have div.style.zoom = 1.2 , now i want to remove the zoom property through JavaScript ? ...
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Passing a single item as IEnumerable

...@Svish I suggested and edit for the answer to do just that - we're in 2020 now, so it should be the "standard" imho – OschtärEi Apr 2 at 7:53 add a comment ...
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How do I configure git to ignore some files locally?

...ed to use git update-index if you've already made a change to the file and now want it to be ignored. If you change exclude prior to making the change, it's not necessary. – Brady Emerson Jun 24 '14 at 0:45 ...
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Getting the HTTP Referrer in ASP.NET

...able way of getting the browser's HTTP Referrer in ASP.Net ( C# ). I know the HTTP Referrer itself is unreliable, but I do want a reliable way of getting the referrer if it is present. ...
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Developing C# on Linux

I'd like to know if there are effective and open source tools to develop C# applications on Linux (Ubuntu). In particular, I have to develop Windows Forms applications. ...
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ab load testing

...rdpress instead of some static HTML or index.php file because you need to know how everything performs together: including complex PHP code, and multiple MySQL queries... For example here is the results of testing a fresh install of Wordpress on the same system and WAMP environment (I'm using WampD...
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What is the difference between JavaScript and ECMAScript?

... momentum and is scheduled to release its 6th Edition in a few months from now with the biggest changes its had thus far. You can use a list of features for ECMAScript 6 here http://kangax.github.io/es5-compat-table/es6/ and also the browser support. You can even start writing Ecmascript 6 like yo...