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Create new user in MySQL and give it full access to one database
I want to create a new user in MySQL and give it full access only to one database, say dbTest , that I create with a command like create database dbTest; . What would be the MySQL commands to do that?
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How do I do redo (i.e. “undo undo”) in Vim?
..., or, if you remember the difference between current undo state and needed one, use Nh, Nm or Ns for hours, minutes and seconds respectively. + :later N<CR> <=> Ng+ and :later Nf for file writes.
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How to justify a single flexbox item (override justify-content)
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What if I want one item to be on the left, and the other one in the center?
– Fahmi
Jan 18 '18 at 3:48
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What is a word boundary in regex?
...Correctamundo. \b is a zero-width assertion that matches if there is \w on one side, and either there is \W on the other or the position is beginning or end of string. \w is arbitrarily defined to be "identifier" characters (alnums and underscore), not as anything especially useful for English.
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Circle-Rectangle collision detection (intersection)
... the rectangle:
Either the circle's centre lies inside the rectangle, or
One of the edges of the rectangle has a point in the circle.
Note that this does not require the rectangle to be axis-parallel.
(One way to see this: if none of the edges has a point in the circle (if all the edges are ...
Switch statement for greater-than/less-than
...e fastest in all tested environments except
for Opera where it takes about one and a half times as long. It is slow because the engine
has to compare the value twice for each case. Surprisingly it takes Chrome almost 40 times longer to complete this compared to the fastest operation in Chrome, while...
Array or List in Java. Which is faster?
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One of the issues with performance measurement is that you constantly have to retest against new versions of Java. I am working on a problem at the moment where someone used an int throughout for a key in a map (to save space...
C++ project organisation (with gtest, cmake and doxygen)
...ng that a lot
of questions come up. I'll try to walk through the questions one by one and mention some general things regarding building C++ libraries.
Separating headers and cpp files in directories. This is only
essential if you are building a component that is supposed to be used
as a library as...
Why should text files end with a newline?
I assume everyone here is familiar with the adage that all text files should end with a newline. I've known of this "rule" for years but I've always wondered — why?
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git: Apply changes introduced by commit in one repo to another repo
...t doesn't know that the alternate object repository is only temporary, for one operation. You might need to copy objects from the second repository with:
GIT_ALTERNATE_OBJECT_DIRECTORIES=../repo/.git/objects git repack -a -d -f
This puts those objects borrowed from second repository in original r...