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Mercurial: how to amend the last commit?
...new "Phases" feature to prevent updates that would change history that's already been made available outside of the local repository.
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How to change the default collation of a table?
...ch Remer Mar 28 '18 at 23:41
and
That seems quite important, glad I read the comments and thanks @RichRemer . Nikki , I think you should edit that in your answer considering how many views this gets. See here https://dev.mysql.com/doc/refman/8.0/en/charset-unicode-utf8.html and here What is t...
Multiple returns from a function
...ink the amount of typing saving is minimal and it makes the code harder to read, so I wouldn't do it myself. Nevertheless, here's a sample:
function getXYZ()
{
$x = 4;
$y = 5;
$z = 6;
return compact('x', 'y', 'z');
}
$array = getXYZ();
$x = $array['x'];
$y = $array['y'];
$z = $ar...
Dynamically Changing log4j log level
...the life cyle of the Logger. On reinitialization the configuration will be read and used as setting the level at runtime does not persist the level change.
UPDATE: If you are using Log4j 2 you should remove the calls to setLevel per the documentation as this can be achieved via implementation class...
What is monkey patching?
...s better than implicit so make sure that your code is context-insensitive, read "Goto considered harmful", etc...
– aoeu256
Sep 9 '19 at 16:35
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How to see the CREATE VIEW code for a view in PostgreSQL?
...e your view definition your original DLL will be lost and you will able to read the only the rewrited version of your view definition.
Not all views are rewrited but if you use sub-select or joins probably your views will be rewrited.
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Is it safe to use -1 to set all bits to true?
...
Frankly I think all fff's is more readable. As to the comment that its an antipattern, if you really care that all the bits are set/cleared, I would argue that you are probably in a situation where you care about the size of the variable anyway, which would c...
How to plot two histograms together in R?
...mage you linked to was for density curves, not histograms.
If you've been reading on ggplot then maybe the only thing you're missing is combining your two data frames into one long one.
So, let's start with something like what you have, two separate sets of data and combine them.
carrots <- da...
How should I call 3 functions in order to execute them one after the other?
...ior functions
});
I've just tried to briefly explain the structure here. Read through the waterfall guide for more information, it's pretty well written.
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What's the best way to iterate over two or more containers simultaneously
... {
a = b;
}
The implementation of zip is left as an exercise for the reader, but it follows easily from the implementation of indices.
(Before C++17 you’d have to write the following instead:)
for (auto items&& : zip(containerA, containerB))
get<0>(items) = get<1>(i...