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What is the purpose of the : (colon) GNU Bash builtin?

...ither : or true. Both are specified by POSIX, and some find true easier to read. However there is one interesting difference: : is a so-called POSIX special built-in, whereas true is a regular built-in. Special built-ins are required to be built into the shell; Regular built-ins are only "typicall...
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No module named _sqlite3

... that I ran configure, rather, that running configure with sqlite-devel already installed made all of this difference. – Jeff Taylor Apr 8 '15 at 16:15 4 ...
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MySQL error 2006: mysql server has gone away

... when I set wait_timeout = 30 in an attempt to reduce the number of idle threads on my server. – Vincent Apr 11 '18 at 0:27 add a comment  |  ...
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Javascript reduce on array of objects

...NaN Clarification: I prefer my method over the other top answer in this thread as I disagree with the idea that passing an optional parameter to reduce with a magic number to get out a number primitive is cleaner. It may result in fewer lines written but imo it is less readable. ...
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What is the easiest way to make a C++ program crash?

... @Loki: What if it just read from every 4000th byte? Would that be less likely to crash? Definitely less dangerous. – Mooing Duck Dec 13 '11 at 17:43 ...
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Return index of greatest value in an array

...re would appear a horizontal scroll bar and it'd be not very convenient to read the snippet while horizontally scrolling. Anyway thanks for the suggestions. I edited the answer in another way. – traxium May 11 '16 at 9:58 ...
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How can I remove the decimal part from JavaScript number?

... inaccuracy of decimal rounding with floating point arithmetic. Required Reading - What Every Computer Scientist Should Know About Floating-Point Arithmetic. share | improve this answer |...
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How to make my font bold using css?

...You can use the CSS declaration font-weight: bold;. I would advise you to read the CSS beginner guide at http://htmldog.com/guides/cssbeginner/ . share | improve this answer | ...
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Android: ProgressDialog.show() crashes with getApplicationContext

...ly done being built. This is going to be a hack, but try launching a new Thread in a few hundred milliseconds (IIRC: 300-400 seemed to work for me, but you'll need to tinker) that opens your ProgressDialog and starts anything else you needed (eg. network IO). Something like this: @Override public v...
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What is the --save option for npm install?

... This needs to go to the top to save us all an eyesore reading variations, contradictions and thread hijacks. SO needs to encourage succinct answers with valid URLs so we can avoid CRUD and get on with our work. (Quora has a neat 'Is this answer relevant' etc and I had even befo...