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What is the difference between a var and val definition in Scala?
...ry if some other part of your code is changing it. For example:
x = new B(0)
f(x)
if (x.value.value == 0)
println("f didn't do anything to x")
else
println("f did something to x")
This becomes particularly important with multithreaded systems. In a multithreaded system, the following can happ...
Calculate business days
...s days" in PHP. For example, Friday 12/5 + 3 business days = Wednesday 12/10.
36 Answers
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How much faster is C++ than C#?
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edited May 26 '16 at 23:09
igouy
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answered Sep 26 '08 at 9:10...
How to get the containing form of an input?
...ding to w3schools, the .form property of input fields is supported by IE 4.0+, Firefox 1.0+, Opera 9.0+, which is even more browsers that jQuery guarantees, so you should stick to this.
If this were a different type of element (not an <input>), you could find the closest parent with closest:
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Merge (with squash) all changes from another branch as a single commit
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Ioannis Filippidis
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answered Sep 13 '10 at 0:28
fsetofseto
8,3...
What is recursion and when should I use it?
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40 Answers
40
Active
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How to get distinct values from an array of objects in JavaScript?
...stead, try this:
var flags = [], output = [], l = array.length, i;
for( i=0; i<l; i++) {
if( flags[array[i].age]) continue;
flags[array[i].age] = true;
output.push(array[i].age);
}
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Check if string contains only digits
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Syntle
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answered Nov 22 '09 at 15:26
Scott EverndenScott E...
Subtract two variables in Bash
...xpr $FIRSTV - $SECONDV`
Be aware of the exit status:
The exit status is 0 if EXPRESSION is neither null nor 0, 1 if EXPRESSION is null or 0.
Keep this in mind when using the expression in a bash script in combination with set -e which will exit immediately if a command exits with a non-zero stat...
Delete all local changesets and revert to tree
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answered Jan 27 '10 at 0:18
just somebodyjust somebody
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