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Returning JSON from PHP to JavaScript?

... This 'answer' is not complete and rather un-useful. See the answer from aesede for more complete information. – Funk Doc May 30 '19 at 16:22 ...
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Run a JAR file from the command line and specify classpath

... When you specify -jar then the -cp parameter will be ignored. From the documentation: When you use this option, the JAR file is the source of all user classes, and other user class path settings are ignored. You also cannot "include" needed jar files into another jar file (you wo...
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In C++, is it still bad practice to return a vector from a function?

...itions, with the exact same values), and the time difference can only come from the cost of allocations, deallocations, and better use of cache. More specifically, let's use vecSize*numIter = 2^31 = 2147483648, because I have 16GB of RAM and this number ensures that no more than 8GB is allocated (s...
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How to calculate time elapsed in bash script?

...tf '%(%H:%M:%S)T\n' "$elapsedseconds" 06:12:24 For the lovers of detail, from bash-hackers.org: %(FORMAT)T outputs the date-time string resulting from using FORMAT as a format string for strftime(3). The associated argument is the number of seconds since Epoch, or -1 (current time) or -2 (...
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Delete empty lines using sed

...not empty, so if that's the case, look at this question Remove empty lines from txtfiles, remove spaces from start and end of line I believe that's what you're trying to achieve. share | improve thi...
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How do I use valgrind to find memory leaks?

...l heap blocks were freed -- no leaks are possible ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0) ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0) I have a leak, but WHERE? So, you have a memory leak, and Valgrind isn't saying anything meaningful. Perhaps, somethi...
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How remove word wrap from textarea?

...rea> EDIT: The "wrap" attribute is not officially supported. I got it from the german SELFHTML page (an english source is here) that says IE 4.0 and Netscape 2.0 support it. I also tested it in FF 3.0.7 where it works as supposed. Things have changed here, SELFHTML is now a wiki and the english...
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Purging file from Git repo failed, unable to create new backup

I tried to remove a file from my remote repo by running: 4 Answers 4 ...
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How to read a single char from the console in Java (as the user types it)?

Is there an easy way to read a single char from the console as the user is typing it in Java? Is it possible? I've tried with these methods but they all wait for the user to press enter key: ...
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Convert RGB to RGBA over white

... @templatetypedef: Converting te lowest component to alpha is scaling from the range 0..255 to 0..1, and inverting. Using 1.0 - 152 / 255 would also work. Converting the color components is simply scaling from n..255 to 0..255 where n is the lowest component. – Guffa ...