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MySQL: Enable LOAD DATA LOCAL INFILE

...tcha. If you have apparmor enabled on your system and the problem persists then check the syslog to see if the mysqld daemon is being blocked. I had this problem: apparmor="DENIED" operation="open" profile="/usr/sbin/mysqld" name="/var/www/myfile.csv" pid=19488 comm="mysqld" requested_mask="r" denie...
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Using column alias in WHERE clause of MySQL query produces an error

...uation of the different parts of a statement had to be fixed (first WHERE, then SELECT, then GROUP BY,...) but I don't have a reference for that – Joni Nov 21 '14 at 6:44 ...
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Changing every value in a hash in Ruby

...is iterated over to produce an intermediate set of nested Arrays which are then converted into a new Hash. Ignoring the RAM peak usage, run time is much worse - benchmarking this versus the modify-in-place solutions in another answer show 2.5s versus 1.5s over the same number of iterations. Since ...
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Bootstrap 3 breakpoints and media queries

...ined as screen-xx. This is how a framework like this can be coded once and then customized by the end user to fit their needs. A similar question on here that might provide more clarity: Bootstrap 3.0 Media queries In your CSS, you will still have to use traditional media queries to override or a...
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Should operator

... place (usually). But if this is something you want (I don't recommend it) then making the comparators free standing can be advantageous. Streaming The stream operators: operator << output operator >> input When you use these as stream operators (rather than binary shift) the fir...
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Override valueof() and toString() in Java enum

... pass this in a Code Review. It is infinately worse having to re-write and then maintain all of the Enum utility methods all because name() cannot be overridden. Instead of catching the exception and swallowing it, a RuntimeException should be thrown and then this is fine. – An...
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Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)

... It's worth mentioning that if your code doesn't specify a port, then it shouldn't be a web process and probably should be a worker process instead. So, change your Procfile to read (with your specific command filled in): worker: YOUR_COMMAND and then also run on CLI: heroku scale wo...
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Is there a benefit to defining a class inside another class in Python?

...: class cls1(object): ... class cls2(object): ... Then from another module, you can import Group and refer to these as Group.cls1, Group.cls2 etc. However one might argue that you can accomplish exactly the same (perhaps in a less confusing way) by using a module. ...
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Why does PHP 5.2+ disallow abstract static class methods?

... create abstract static functions, implement them in extended classes, and then refer to them via the static:: keyword. Obviously the parent class' static version is still there and can't be called directly (via self:: or static:: inside that class) as it's abstract and will fatally error as if you ...
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Differences between Octave and MATLAB? [closed]

... kind of cocky to demand of everyone that they start speaking English from then on, simply because you don't speak/like Spanish. Same with MATLAB and Octave. NB -- if all downvoters could just leave a comment with their arguments and reasons for disagreeing with me, that'd be great :) Note: O...