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Why use sprintf function in PHP?

... sprintf has all the formatting capabilities of the original printf which means you can do much more than just inserting variable values in strings. For instance, specify number format (hex, decimal, octal), number of decimals, padding a...
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Laravel migration: unique key is too long, even if specified

... Specify a smaller length for your e-mail: $table->string('email', 250); Which is the default, actually: $table->string('email'); And you should be good. For Laravel 5.4 you can find a solution in this Laravel 5.4: Specified ...
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What's an easy way to read random line from a file in Unix command line?

... You can use shuf: shuf -n 1 $FILE There is also a utility called rl. In Debian it's in the randomize-lines package that does exactly what you want, though not available in all distros. On its home page it actually recommends the use of shuf instead (which didn't exist when it was cr...
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How to structure a express.js application?

... it. Of those, I think Twitter's matador is structured pretty well. We actually used a very similar approach to how they load up parts of the app. derby.js also looks extremely interesting. It's akin to meteor without all of the hype and actually gives credit where credit is due (notably, node and e...
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Using custom std::set comparator

...should use a functor (a class that overloads the () operator so it can be called like a function). struct lex_compare { bool operator() (const int64_t& lhs, const int64_t& rhs) const { stringstream s1, s2; s1 << lhs; s2 << rhs; return s1.str()...
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Is Python strongly typed?

... Python is strongly, dynamically typed. Strong typing means that the type of a value doesn't change in unexpected ways. A string containing only digits doesn't magically become a number, as may happen in Perl. Every change of type requires an explicit...
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iPhone - Get Position of UIView within entire UIWindow

...If your superView did not have a superView your view should not be seen at all – user4951 Mar 19 '13 at 3:41 17 ...
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What is the best way to call a script from another script?

...s, methods, etc. I have another script which runs as a service. I want to call test1.py from the script running as a service. ...
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How to get the directory of the currently running file?

... It actually works even if os.Args[0] does not contain the abs path. The reason the playground result is not what you expected is because it is inside a sandbox. – Gustavo Niemeyer Jul 21 '15 at...
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Get img thumbnails from Vimeo?

...videos> <video> [skipped] <thumbnail_small>http://ts.vimeo.com.s3.amazonaws.com/235/662/23566238_100.jpg</thumbnail_small> <thumbnail_medium>http://ts.vimeo.com.s3.amazonaws.com/235/662/23566238_200.jpg</thumbnail_medium> &lt...