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Undefined, unspecified and implementation-defined behavior

... coming from other languages (other languages try to hide it better). Basically, it is possible to write C++ programs that do not behave in a predictable way, even though many C++ compilers will not report any errors in the program! Let's look at a classic example: #include <iostream> int ma...
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How to include js file in another js file? [duplicate]

...swered Jan 8 '11 at 15:49 Matt BallMatt Ball 323k8585 gold badges598598 silver badges672672 bronze badges ...
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Jdbctemplate query for string: EmptyResultDataAccessException: Incorrect result size: expected 1, ac

... In JdbcTemplate , queryForInt, queryForLong, queryForObject all such methods expects that executed query will return one and only one row. If you get no rows or more than one row that will result in IncorrectResultSizeDataAccessException . Now the correct way is not to catch this exce...
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Regular expressions in C: examples?

... Regular expressions actually aren't part of ANSI C. It sounds like you might be talking about the POSIX regular expression library, which comes with most (all?) *nixes. Here's an example of using POSIX regexes in C (based on this): #include <reg...
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How to add a new audio (not mixing) into a video using ffmpeg?

...dio.wav -map 0:v -map 1:a -c:v copy -shortest output.mp4 The -map option allows you to manually select streams / tracks. See FFmpeg Wiki: Map for more info. This example uses -c:v copy to stream copy (mux) the video. No re-encoding of the video occurs. Quality is preserved and the process is fast....
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iOS Simulator failed to install the application

...s the same than remove the app from simulator, but in that case you remove all apps in all simulator. – xarly Sep 19 '13 at 9:30 ...
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throw new std::exception vs throw std::exception

...xceptions is to throw an exception object and to catch it by reference (usually const reference). The C++ language requires the compiler to generate the appropriate code to construct the exception object and to properly clean it up at the appropriate time. Throwing a pointer to a dynamically alloca...
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Check time difference in Javascript

... I know this is ancient, but where in all this gibberish does anything get read from form fields? All I see is some hard-coded example code. How do I get the difference between whatever times my user typed into my two input type="text" boxes, rather than between ...
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Simple logical operators in Bash

... What you've written actually almost works (it would work if all the variables were numbers), but it's not an idiomatic way at all. (…) parentheses indicate a subshell. What's inside them isn't an expression like in many other languages. It's a l...
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How to use auto-layout to move other views when a view is hidden?

...iews, even though they don't draw, still participate in Auto Layout and usually retain their frames, leaving other related views in their places. When removing a view from its superview, all related constraints are also removed from that view hierarchy. In your case, this likely means: If you se...