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grant remote access of MySQL database from any IP address
... The trick when connecting to a db instance running on the same OS instance (e.g. your development machine), is to pass in the -h my_machine_name parameter. This tricks the client to identify you as 'user'@my_machine_name.example.com, rather than 'user'@localhost. This way you don't nee...
Performing Breadth First Search recursively
...f thought exercise, or even a trick homework/interview question, but I suppose I could imagine some bizarre scenario where you're not allowed any heap space for some reason [some really bad custom memory manager? some bizarre runtime/OS issues?] while you still have access to the stack...)
Breadth-...
Pythonic way to check if a list is sorted or not
...p at that!) so, unless you expect it to be not sorted (and fairly random) most of the time, I would, again, just sort the list.
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Exception messages in English?
...eptions, this happens at the time the Message property is accessed.
For those exceptions, you can obtain the full US English version of the message by briefly switching the thread locale to en-US while logging it (saving the original user locale beforehand and restoring it immediately afterwards).
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Check number of arguments passed to a Bash script
... expressions, using (( )) to some may still be better, but they are still possible in [[ ]] with its arithmetic operators like -eq, -ne, -lt, -le, -gt, or -ge by placing the expression as a single string argument:
A=1
[[ 'A + 1' -eq 2 ]] && echo true ## Prints true.
That should be helpful ...
How to represent multiple conditions in a shell if statement?
... "$g" -eq 2 -a "$c" = "456" \) ]
then echo abc
else echo efg
fi
I've enclosed the references to $g in double quotes; that's good practice, in general. Strictly, the parentheses aren't needed because the precedence of -a and -o makes it correct even without them.
Note that the -a and -o operators...
NPM modules won't install globally without sudo
...tion environment" issue. Like any other environment issue (like change of OS) the principle of "write once, test everywhere" still holds true.
– Tony O'Hagan
Sep 18 '14 at 6:54
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No connection could be made because the target machine actively refused it?
... finite and quite short - values of 1, 2 or 3 are not unusual - and so the OS might be unable to queue your request for the 'accept' to consume.
The backlog is a parameter on the listen function - all languages and platforms have basically the same API in this regard, even the C# one. This paramet...
How to jump directly to a column number in Vim
Sometimes for debugging purposes I have to do the exciting job of wading through minified javascript code. The lines are upto 600 columns wide. The exception reporting library is kind enough to provide me the exact crash coordinates in the form of line number and column number. However I can't find ...
SBT stop run without exiting
..., or in the Task Manager (Windows), or Force Quit or Activity Monitor (Mac OS X), etc.
– Seth Tisue
Mar 21 '11 at 16:45
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