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C# generic type constraint for everything nullable

...vs. the unhandiness of exceptions in a static constructor. Since you're really implementing a poor-mans static analyzer here, this exception should never be thrown except during development. Finally, even if you want to avoid static construction exceptions at all costs (unwise), then you should sti...
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How do I use arrays in C++?

C++ inherited arrays from C where they are used virtually everywhere. C++ provides abstractions that are easier to use and less error-prone ( std::vector<T> since C++98 and std::array<T, n> since C++11 ), so the need for arrays does not arise quite as often as it does in C. However, ...
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What's the best way to convert a number to a string in JavaScript? [closed]

... like this: var foo = 45; var bar = '' + foo; Actually, even though I typically do it like this for simple convenience, over 1,000s of iterations it appears for raw speed there is an advantage for .toString() See Performance tests here (not by me, but found when I went to w...
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How do I find the location of Python module sources?

How do I learn where the source file for a given Python module is installed? Is the method different on Windows than on Linux? ...
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When do I need to use a semicolon vs a slash in Oracle SQL?

...ce, but I prefer to see scripts that consistently use the slash - this way all "units" of work (creating a PL/SQL object, running a PL/SQL anonymous block, and executing a DML statement) can be picked out more easily by eye. Also, if you eventually move to something like Ant for deployment it will ...
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How to use the 'main' parameter in package.json?

...t to your program. That is, if your package is named foo, and a user installs it, and then does require("foo"), then your main module's exports object will be returned. This should be a module ID relative to the root of your package folder. For most modules, it makes the most sense...
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The easiest way to transform collection to array?

...nt context) way to transform it to Foo[] ? Any well-known libraries are allowed. 8 Answers ...
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How can I selectively merge or pick changes from another branch in Git?

I'm using Git on a new project that has two parallel -- but currently experimental -- development branches: 25 Answers ...
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Proper way to return JSON using node or Express

...n do this by changing the options instead. 'json replacer' JSON replacer callback, null by default 'json spaces' JSON response spaces for formatting, defaults to 2 in development, 0 in production Not actually recommended to set to 40 app.set('json spaces', 40); Then you could just respond with so...
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How to URL encode a string in Ruby

... between them is their handling of spaces: >> ERB::Util.url_encode("foo/bar? baz&") => "foo%2Fbar%3F%20baz%26" >> CGI.escape("foo/bar? baz&") => "foo%2Fbar%3F+baz%26" CGI.escape follows the CGI/HTML forms spec and gives you an application/x-www-form-urlencoded string, w...