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What is the difference between .text, .value, and .value2?
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241
.Text gives you a string representing what is displayed on the screen for the cell. Using .Text ...
How to shuffle a std::vector?
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From C++11 onwards, you should prefer:
#include <algorithm>
#include <random>
auto rng = std::default_random_engine {};
std::shuffle(std::begin(cards_), std::end(cards_), rng);
Live example on Coliru
Make sure to reu...
How to shrink/purge ibdata1 file in MySQL
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That ibdata1 isn't shrinking is a particularly annoying feature of MySQL. The ibdata1 file can't actually be shrunk unless you delete all databases, remove the files and reload a dump.
But you can configure MySQL so that each table, in...
How do you find the sum of all the numbers in an array in Java?
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271
In java-8 you can use streams:
int[] a = {10,20,30,40,50};
int sum = IntStream.of(a).sum();
Sys...
How to echo with different colors in the Windows command line
...le line in a different color.
Use ANSI Escape Sequences.
Windows before 10 - no native support for ANSI colors on the console
For Windows version below 10, the Windows command console doesn't support output coloring by default. You could install either Cmder, ConEmu, ANSICON or Mintty (used by d...
What's the “big idea” behind compojure routes?
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212
Compojure explained (to some degree)
NB. I am working with Compojure 0.4.1 (here's the 0.4.1 r...
Tools to selectively Copy HTML+CSS+JS From A Specific Element of DOM [closed]
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16 Answers
16
Active
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Rebasing a Git merge commit
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135
There are two options here.
One is to do an interactive rebase and edit the merge commit, redo...
Why does find -exec mv {} ./target/ + not work?
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185
The manual page (or the online GNU manual) pretty much explains everything.
find -exec comman...
What does yield mean in PHP?
...alculate and return values while you are looping over it:
foreach (xrange(1, 10) as $key => $value) {
echo "$key => $value", PHP_EOL;
}
This would create the following output:
0 => 1
1 => 2
…
9 => 10
You can also control the $key in the foreach by using
yield $someKey =&g...