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DateTime vs DateTimeOffset

...ar timeline, pointing a camera at a person on the instantaneous timeline laid out in front of you. You line up your camera according to the rules of your timezone - which change periodically due to daylight saving time, or due to other changes to the legal definition of your time zone. (You don't ...
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What is Cache-Control: private?

...er your question about why caching is working, even though the web-server didn't include the headers: Expires: [a date] Cache-Control: max-age=[seconds] The server kindly asked any intermediate proxies to not cache the contents (i.e. the item should only be cached in a private cache, i.e. only o...
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Why do 64-bit DLLs go to System32 and 32-bit DLLs to SysWoW64 on 64-bit Windows?

...4, contains the 32-bit DLLs. The file system redirector does the magic of hiding the real System32 directory for 32-bit processes and showing SysWOW64 under the name of System32." Edit: If you're talking about an installer, you really should not hard-code the path to the system folder. Instead, let...
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Why do we need fibers

...uld be required to do this without fibers. EVERY class which wanted to provide both internal and external iterators would have to contain explicit code to keep track of state between calls to next. Each call to next would have to check that state, and update it before returning a value. With fibers,...
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How does the const constructor actually work?

...ly initialize fields to other compile-time constants, so the right-hand sides are limited to "compile-time constant expressions"[1]. And it must be prefixed with "const" - otherwise you just get a normal constructor that happens to satisfy those requirements. That is perfectly fine, it's jus...
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How to pull request a wiki page on GitHub?

... Put your documentation into the git repository together with the code inside a documentation folder. Extend your travis-ci build with some magic that stages all changes from that documentation folder with transformations applied to the wiki git. See last example link below. Consider the wiki as r...
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How to extract a git subdirectory and make a submodule out of it?

... git subtree rocks! – Simon Woodside Apr 7 '11 at 4:27 3 But isn't the point ...
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How can I deploy/push only a subdirectory of my git repo to Heroku?

... to ignore, within the application sub path to be deployed. For example I did not want spec folder on heroku. Example Gist – ch4nd4n Nov 6 '12 at 13:19 ...
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How do you Encrypt and Decrypt a PHP String?

...s mistake; as do many cryptography libraries written in PHP. You should avoid implementing your own cryptography, and instead use a secure library written by and reviewed by cryptography experts. Update: PHP 7.2 now provides libsodium! For best security, update your systems to use PHP 7.2 or higher...
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How to use WeakReference in Java and Android development?

... Using a WeakReference in Android isn't any different than using one in plain old Java. Here is a great guide which gives a detailed explanation: Understanding Weak References. You should think about using one whenever you need a reference to an object, ...