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How to toggle a boolean?
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really nice solution, i was using: test = (test == true)? false : true;
– alpera
Jan 19 '14 at 15:46
1
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Most efficient way to prepend a value to an array
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I have some fresh tests of different methods of prepending.
For small arrays (<1000 elems) the leader is for cycle coupled with a push method.
For huge arrays, Unshift method becomes the leader.
But this situation is actual only for Chrome...
mysql -> insert into tbl (select from another table) and some default values [duplicate]
... '1', citydb.city_name, NULL, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP) select test.cities.city as city_name from test.cities as citydb; i am using this query it give me error can any one help me to solve this error?
– Chintan Mathukiya
Apr 7 at 12:57
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Database development mistakes made by application developers [closed]
...any developers forget this and start treating a "means" as an "end". Unit testing is a prime example of this.
I once worked on a system that had a huge hierarchy for clients that went something like:
Licensee -> Dealer Group -> Company -> Practice -> ...
such that you had to join a...
onclick() and onblur() ordering issue
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This actually works. I have tested it in FF and it works like charm.
– Supreme Dolphin
Feb 15 '16 at 11:49
3
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Static nested class in Java, why?
...x: " + x);
}
static class InnerClass {
public static void test() {
OuterClass outer = new OuterClass(1);
}
}
}
public class Test {
public static void main(String[] args) {
OuterClass.InnerClass.test();
// OuterClass outer = new OuterClass...
What's the most efficient way to erase duplicates and sort a vector?
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I think your results are wrong. In my tests the more duplicated elements the faster vector (comparative) is, actually scales the other way around. Did you compile with optimizations on and runtime checks off?. On my side vector is always faster, up to 100x depend...
How to determine if a number is a prime with regex?
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I will explain the regex part outside of primality testing: the following regex, given a String s which consists of repeating String t, finds t.
System.out.println(
"MamamiaMamamiaMamamia".replaceAll("^(.*)\\1+$", "$1")
); // prints "Mamamia"
The way it wor...
Save plot to image file instead of displaying it using Matplotlib
...d be able to re-open the figure later if needed to with fig.show() (didn't test myself).
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Redirect non-www to www in .htaccess
...)|offs()
RewriteRule ^ http%1://www.%{HTTP_HOST}%{REQUEST_URI} [NE,L,R]
[Tested]
This will redirect
http
http://example.com
to
http://www.example.com
https
https://example.com
to
https://www.example.com
s...