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YYYY-MM-DD format date in shell script
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$(date +%F_%H-%M-%S)
can be used to remove colons (:) in between
output
2018-06-20_09-55-58
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How to get an array of unique values from an array containing duplicates in JavaScript? [duplicate]
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With underscorejs
_.uniq([1, 2, 1, 3, 1, 4]); //=> [1, 2, 3, 4]
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String difference in Bash
...e is some difference between the two strings?
– alpha_989
Aug 10 '17 at 15:28
@alpha_989 , here's your answer: $ diff ...
User recognition without cookies or local storage
...as $name => &$profile) {
// Use shorter labels
$data = array_combine($labels, $profile->data);
if ($perceptron->testCase($data, $trainResult) == true) {
$score = $diff = 0;
// Determing the score and diffrennce
foreach ($unknown->data as $item =&g...
How to convert an entire MySQL database characterset and collation to UTF-8?
...ommands.
ALTER DATABASE databasename CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
ALTER TABLE tablename CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
Or if you're still on MySQL 5.5.2 or older which didn't support 4-byte UTF-8, use utf8 instead of utf8mb4:
ALTER DATABASE data...
Get controller and action name from within controller?
... edited Apr 30 '14 at 17:02
L_7337
2,3442525 silver badges4242 bronze badges
answered Aug 15 '13 at 8:06
An...
What is the standard naming convention for html/css ids and classes?
... while, I've gone back to dashes. To me now they look a lot cleaner than un_der_scores or camelCase. My original point still stands though: there isn't a standard.
Update 2015
An interesting corner case with conventions here is Rust. I really like the language, but the compiler will warn you if yo...
Convert character to ASCII code in JavaScript
...ly this is documented: developer.mozilla.org/en/JavaScript/Reference/Global_Objects/…. "if it is not a number, it defaults to 0"
– tokland
Nov 15 '11 at 19:46
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Adding minutes to date time in PHP
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$minutes_to_add = 5;
$time = new DateTime('2011-11-17 05:05');
$time->add(new DateInterval('PT' . $minutes_to_add . 'M'));
$stamp = $time->format('Y-m-d H:i');
The ISO 8601 standard for duration is a string in the form of P...
How Do You Clear The IRB Console?
... which command would work with tmux. I think Ctrl + L is the one as thatway_3 says down below.
– Pablo
Feb 16 at 18:35
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