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Calling virtual functions inside constructors

... Calling virtual functions from a constructor or destructor is dangerous and should be avoided whenever possible. All C++ implementations should call the version of the function defined at the level of the hierarchy in the cur...
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Redirect stderr and stdout in Bash

... @Daniel, but this question is specifically about bash – John La Rooy Aug 19 '13 at 3:38 3 ...
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Bash script processing limited number of commands in parallel

... the exit status of the last command waited for. If a job spec is given, all processes in the job are waited for. If no arguments are given, all currently active child processes are waited for, and the return status is zero. If neither jobspec nor pid specifies an active child process of the...
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Warn user before leaving web page with unsaved changes

...firmationMessage; //Gecko + Webkit, Safari, Chrome etc. }); }; Then calling the setter when submitting: <form method="post" onsubmit="setFormSubmitting()"> <input type="submit" /> </form> But read on... Long, correct answer: You also don't want to show this mess...
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Initialize a byte array to a certain value, other than the default null? [duplicate]

... For small arrays use array initialisation syntax: var sevenItems = new byte[] { 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20 }; For larger arrays use a standard for loop. This is the most readable and efficient way to do it: var se...
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In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli

... When I called Integer.toHexString((byte)0xff) it returned "ffffffff" because of sign extension. So one might need to take the last two characters of the returned string. – Marvo Jul 27 '12 at 2...
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What does Maven do, in theory and in practice? When is it worth to use it? [closed]

...t a Java project just for practice. I've read about Maven, but I don't actually understand when it is meant to be used. 3 ...
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Which is more correct: … OR …

...th of the container the <h1> resides in) will be clickable. Historically you could not put a block element inside of an inline element, but this is no longer the case with HTML5. I would think that the <h1><a>..</a></h1> approach is more conventional though. In the c...
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Why can I use auto on a private type?

...e itself is still usable, which is why you can return it to client code at all. share | improve this answer | follow | ...
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How to escape special characters in building a JSON string?

...Tab \" Double quote \\ Backslash character However, even if it is totally contrary to the spec, the author could use \'. This is bad because : It IS contrary to the specs It is no-longer JSON valid string But it works, as you want it or not. For new readers, always use a double quote...