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Regular Expression to reformat a US phone number in Javascript
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Assuming you want the format "(123) 456-7890":
function formatPhoneNumber(phoneNumberString) {
var cleaned = ('' + phoneNumberString).replace(/\D/g, '')
var match = cleaned.match(/^(\d{3})(\d{3})(\d{4})$/)
if (match) {
return '(' + match[1] + ') ' + match[2...
mysqldump - Export structure only without autoincrement
...t; --opt <db-name> -d --single-transaction | sed 's/ AUTO_INCREMENT=[0-9]*\b//' > <filename>.sql
As mentioned by others, If you want sed to works properly, add the g (for global replacement) parameter like this :
mysqldump -u root -p -h <db-host> --opt <db-name> -d --s...
iTerm2 keyboard shortcut - split pane navigation
...ael BerkowskiMichael Berkowski
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How to check for an undefined or null variable in JavaScript?
...n converted to a boolean, evaluates to false. So, if you don't care about
0 and false, using if(obj.undefProp) is ok. There's a common idiom based on this fact:
value = obj.prop || defaultValue
which means "if obj has the property prop, assign it to value, otherwise assign the default value defa...
Why is “while ( !feof (file) )” always wrong?
... n = fread(buf, 1, bufsize, infile);
consume(buf, n);
if (n == 0) { break; }
}
The result we must use is n, the number of elements that were read (which may be as little as zero).
C stdio, scanf:
for (int a, b, c; scanf("%d %d %d", &a, &b, &c) == 3; ) {
consume(...
MYSQL OR vs IN performance
...ir "opinion", science is all about testing and evidence.
I ran a loop of 1000x the equivalent queries (for consistency, I used sql_no_cache):
IN: 2.34969592094s
OR: 5.83781504631s
Update:
(I don't have the source code for the original test, as it was 6 years ago, though it returns a result in th...
Is it possible to change a UIButtons background color?
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160
This can be done programmatically by making a replica:
loginButton = [UIButton buttonWithType:U...
Maven Could not resolve dependencies, artifacts could not be resolved
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edited Sep 4 '19 at 22:10
answered Jan 10 '11 at 19:13
wm...
jquery - fastest way to remove all rows from a very large table
...ht this might be a fast way to remove the contents of a very large table (3000 rows):
8 Answers
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How to convert float to int with Java
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edited May 7 '15 at 18:03
user719662
answered Aug 18 '09 at 17:41
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