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HTML text input allow only numeric input
...aracters e and E into the field. Also see this question.
Firefox (version 64.0) and Edge (EdgeHTML version 17.17134) still allow the user to enter any text into the field.
Try it yourself on w3schools.com.
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Java String - See if a string contains only numbers and not letters
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edited Jan 8 '15 at 13:34
unwichtich
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answered ...
How to check the version of GitLab?
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I have updated my server to GitLab 6.6.4 and finally found the way to get version of GitLab remotely without SSH access to server.
You should be logged in to access the following page:
https://your.domain.name/help
It shows something similar to:
GitLab 6.6.4 42e3...
Why are two different concepts both called “heap”?
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Donald Knuth says (The Art of Computer Programming, Third Ed., Vol. 1, p. 435):
Several authors began about 1975 to call the pool of available memory a "heap."
He doesn't say which authors and doesn't give references to any specific papers, but does say that the use of the term "heap" in rela...
HTML entity for the middle dot
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edited Mar 15 '16 at 3:44
Chris Martin
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Convert datetime object to a String of date only in Python
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gizzmole
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answered May 16 '12 at 19:01
LevonLevon
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What is the difference between an expression and a statement in Python?
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14 Answers
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What does '
... a shorthand for <?php echo $a; ?>.
It's enabled by default since 5.4 regardless of php.ini settings.
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How to amend a commit without changing commit message (reusing the previous one)?
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edited Oct 13 '14 at 17:19
aug
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What is the fastest or most elegant way to compute a set difference using Javascript arrays?
...'t know if this is most effective, but perhaps the shortest
A = [1, 2, 3, 4];
B = [1, 3, 4, 7];
diff = A.filter(function(x) { return B.indexOf(x) < 0 })
console.log(diff);
Updated to ES6:
A = [1, 2, 3, 4];
B = [1, 3, 4, 7];
diff = A.filter(x => !B.includes(x) );
console.log(diff);
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