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How do short URLs services work?

... In simple words, URL shortener maps an arbitrary long sequence of character ( original, long crappy url ) into a short and slick sequence of characters. This is nothing but Hashing, which is most commonly used to create lookup tables, ...
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Verify a method call using Moq

...erify everything. // mockSomeClass.VerifyAll(); } } In other words, you are verifying that calling MyClass#MyMethod, your class will definitely call SomeClass#DoSomething once in that process. Note that you don't need the Times argument; I was just demonstrating its value. ...
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What is the meaning of git reset --hard origin/master?

...you ran the command. The destructive nature is hinted at by using the same words as in "hard reset". share | improve this answer | follow | ...
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Node.js throws “btoa is not defined” error

...hub.com/rgbkrk/atom-script that is an old implementation of node. In other words, it also needs an implementation for btoa, while it can't cope with Buffer.from(). – Shrimpy Dec 8 '19 at 5:48 ...
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Search text in fields in every table of a MySQL database

...ecommend replacing $colum with "`$colum`" so that fields that are reserved words won't cause problems – Adam Taylor May 8 at 19:32 add a comment  |  ...
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PHP: How to use array_filter() to filter array keys?

...n; this would give them more flexibility over certain things like anchors, word boundaries, and case sensitivity, etc. – maček Mar 2 '14 at 19:51 ...
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Fastest way to download a GitHub project

... world to read a dozen man pages written by people who love to make up new words for everything. (I mean, if you read the man pages for git, they make every single concept look waaaaay more difficult and complex than it is.) – Camilo Martin Aug 13 '14 at 0:26 ...
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How to run a Runnable thread in Android at defined intervals?

...layed(this, 1000); } 2.Analysis In above cost, assume tv.append("Hello Word") cost T milliseconds, after display 500 times delayed time is 500*T milliseconds It will increase delayed when run long time 3. Solution To avoid that Just change order of postDelayed(), to avoid delayed: public voi...
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Chrome desktop notification example [closed]

...ome doesn't honor the notification icon on Linux, due to this bug. Final words Notification support has been in continuous flux, with various APIs being deprecated over the last years. If you're curious, check the previous edits of this answer to see what used to work in Chrome, and to learn the ...
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Installation error: INSTALL_PARSE_FAILED_MANIFEST_MALFORMED?

...r can be fixed by mentioning the complete package name instead of just the word 'screen'. – shshnk Oct 15 '15 at 8:19 ...