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Generate list of all possible permutations of a string
...f a string between x and y characters in length"
– ck_
Mar 28 '13 at 23:06
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How to execute a MySQL command from a shell script?
...l script like so:
mysql -p=password -u "root" -Bse "CREATE DATABASE \`${1}_database\`;
CREATE USER '$1'@'%' IDENTIFIED BY '$2';
GRANT ALL PRIVILEGES ON `${1}_database`.* TO '$1'@'%' WITH GRANT OPTION;"
Of course, generating SQL through concatenated user input (passed arguments) shouldn't be done ...
Regular Expression to match only alphabetic characters
...l make sure that nothing but these alphabets will be matched.
Code:
preg_match('/^[A-Z]+$/i', "abcAbc^Xyz", $m);
var_dump($m);
Output:
array(0) {
}
Test case is for OP's comment that he wants to match only if there are 1 or more alphabets present in the input. As you can see in the test case...
Saving enum from select in Rails 4.1
...:
f.input :color, :as => :select, :collection => Wine.colors.keys.to_a
Which generated the following HTML:
<select id="wine_color" name="wine[color]">
<option value=""></option>
<option value="red">red</option>
<option value="white">white</option...
VBA - how to conditionally skip a for loop iteration
... that you are able not use the GoTo.
If 6 - ((Int_height(Int_Column - 1) - 1) + Int_direction(e, 1)) = 7 Or (Int_Column - 1) + Int_direction(e, 0) = -1 Or (Int_Column - 1) + Int_direction(e, 0) = 7 Then
Else
If Grid((Int_Column - 1) + Int...
PHP Array to CSV
...
array_to_CSV($data); function array_to_CSV($data) { $outstream = fopen("php://output", 'r+'); fputcsv($outstream, $data, ',', '"'); rewind($outstream); $csv = fgets($outstream); fclose(...
Converting RGB to grayscale/intensity
...evious similar question. It is very helpful:
http://cadik.posvete.cz/color_to_gray_evaluation/
It shows 'tons' of different methods to generate grayscale images with different outcomes!
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im...
Gradle store on local file system
...the local file system? Maven stores them in the .m2 directory under USER_HOME , but where does Gradle store them? I checked the .gradle folder there, but saw only compiled scripts.
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Modulo operation with negative numbers
...nt" in this case, rather than "unsigned" even when both operands are uint32_t or bigger.
– Frederick Nord
Sep 24 '16 at 14:56
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How to play a notification sound on websites?
...bed):
let src = 'https://file-examples.com/wp-content/uploads/2017/11/file_example_MP3_700KB.mp3';
let audio = new Audio(src);
audio.play();
See more here.
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