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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...
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 ...
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...
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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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.
...
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
...
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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Where does Oracle SQL Developer store connections?
... file will have the details including passwords.
– AM_86
Jan 7 at 16:39
How to find decrypt Key . I am getting this to...
warning: incompatible implicit declaration of built-in function ‘xyz’
...an page says this function is a GNU extension and synopsis shows:
#define _GNU_SOURCE
#include <string.h>
When #define is added to my source before the #include, declarations for the GNU extensions are made visible and warnings disappear.
...