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What is PostgreSQL explain telling me exactly?

...e plan to the top. (So if there are two indented sections, the one farther down the page executes first, then when they meet the other executes, then the rule joining them executes.) The idea is that at each step there are 1 or 2 datasets that arrive and get processed by some rule. If just one dat...
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How would Git handle a SHA-1 collision on a blob?

...mps such that the resulting git commit has your desired prefix. Example: https://github.com/bradfitz/deadbeef Daniel Dinnyes points out in the comments to 7.1 Git Tools - Revision Selection, which includes: A higher probability exists that every member of your programming team will be attac...
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What is the difference between using IDisposable vs a destructor in C#?

...ect will always survive a gen 1 garbage collect. This will impede and slow down the GC. That's wht Marc says to call SuppressFinalize in the above code – Kevin Jones Sep 9 '09 at 15:36 ...
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How to replace a string in multiple files in linux command line

... repo. You might accidentally corrupt its database in .git/. Be sure to cd down to a lower level. – erikprice Mar 7 '17 at 20:27 2 ...
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What is the difference between Normalize.css and Reset CSS?

...he targeted stylings. Normalize.css is more modular. The project is broken down into relatively independent sections, making it easy for you to potentially remove sections (like the form normalizations) if you know they will never be needed by your website. Normalize.css has better documentation. Th...
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Pad a number with leading zeros in JavaScript [duplicate]

... the return keyword and simply use the expression To get the function body down to a single line I cheated and used a ternary expression share | improve this answer | follow...
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Is there an equivalent for var_dump (PHP) in Javascript?

... head.appendChild(style_dump); } // Thank you Tim Down [http://stackoverflow.com/users/96100/tim-down] // for the following addRule function var addRule; if (typeof document.styleSheets != "undefined" && document.styleSheets) { ...
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How to sleep for five seconds in a batch file/cmd [duplicate]

...pinging a presumed non-existing IP, which by the way fails when network is down. Pinging localhost almost always works. – rustyx May 9 '14 at 8:01 ...
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Elegant setup of Python logging in Django

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Generating v5 UUID. What is name and namespace?

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