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jQuery deferreds and promises - .then() vs .done()
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10 Answers
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How to convert string into float in JavaScript?
...nt to be separate values, try this:
var values = "554,20".split(",")
var v1 = parseFloat(values[0])
var v2 = parseFloat(values[1])
If they're meant to be a single value (like in French, where one-half is written 0,5)
var value = parseFloat("554,20".replace(",", "."));
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Regex exactly n OR m times
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91
There is no single quantifier that means "exactly m or n times". The way you are doing it is fin...
.htaccess - how to force “www.” in a generic way?
...%{HTTP_HOST} !^www\. [NC]
RewriteCond %{HTTPS}s ^on(s)|
RewriteRule ^ http%1://www.%{HTTP_HOST}%{REQUEST_URI} [R=301,L]
The first condition checks whether the Host value is not empty (in case of HTTP/1.0); the second checks whether the the Host value does not begin with www.; the third checks for ...
Maintaining the final state at end of a CSS3 animation
...applied onClick, and, using keyframes, it changes the opacity from 0 to 1 (among other things).
4 Answers
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error: command 'gcc' failed with exit status 1 while installing eventlet
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16 Answers
16
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How to make a new List in Java
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1008
List myList = new ArrayList();
or with generics (Java 7 or later)
List<MyType> myLis...
Does MySQL ignore null values on unique constraints?
...ws multiple NULLs in a column with a unique constraint.
CREATE TABLE table1 (x INT NULL UNIQUE);
INSERT table1 VALUES (1);
INSERT table1 VALUES (1); -- Duplicate entry '1' for key 'x'
INSERT table1 VALUES (NULL);
INSERT table1 VALUES (NULL);
SELECT * FROM table1;
Result:
x
NULL
NULL
1
This i...
Display two files side by side
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167
You can use pr to do this, using the -m flag to merge the files, one per column, and -t to omi...
Why is i++ not atomic?
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125
i++ is probably not atomic in Java because atomicity is a special requirement which is not pre...