大约有 43,178 项符合查询结果（耗时：0.0578秒） [XML]
How to shuffle a std::vector?
...
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...
MongoDB/Mongoose querying at a specific date?
...
219
That should work if the dates you saved in the DB are without time (just year, month, day).
Ch...
MySQL with Node.js
...) {
// connected! (unless `err` is set)
});
Queries:
var post = {id: 1, title: 'Hello MySQL'};
var query = connection.query('INSERT INTO posts SET ?', post, function(err, result) {
// Neat!
});
console.log(query.sql); // INSERT INTO posts SET `id` = 1, `title` = 'Hello MySQL'
...
How to shrink/purge ibdata1 file in MySQL
...
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...
Creating range in JavaScript - strange syntax
...
+1000
Understanding this "hack" requires understanding several things:
Why we don't just do Array(5).map(...)
How Function.prototype.ap...
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...
Rebasing a Git merge commit
...
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?
...
185
The manual page (or the online GNU manual) pretty much explains everything.
find -exec comman...
Tools to selectively Copy HTML+CSS+JS From A Specific Element of DOM [closed]
...
16 Answers
16
Active
...
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...