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Average of 3 long integers
...ulateAverage(long x, long y, long z)
{
return (x % 3 + y % 3 + z % 3 + 6) / 3 - 2
+ x / 3 + y / 3 + z / 3;
}
static long CalculateAverage(params long[] arr)
{
int count = arr.Length;
return (arr.Sum(n => n % count) + count * (count - 1)) / count - (count - 1)
+...
Understanding scala enumerations
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edited Jun 16 '12 at 22:26
answered Jun 16 '12 at 22:21
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Migration: Cannot add foreign key constraint
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364
Add it in two steps, and it's good to make it unsigned too:
public function up()
{
Schema:...
How to make a variadic macro (variable number of arguments)
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answered Mar 25 '09 at 2:16
Alex BAlex B
73.5k3636 gold badges187187 silver badges270270 bronze badges
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Is it possible to create static classes in PHP (like in C#)?
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6 Answers
6
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Are there legitimate uses for JavaScript's “with” statement?
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A new scope: let and with
With the introduction of the let statement in ES6, it becomes easy to introduce a new scope when necessary to avoid these problems:
// variables introduced in this statement
// are scoped to each iteration of the loop
for (let i=0; i<3; ++i)
{
setTimeout(function() ...
decorators in the python standard lib (@deprecated specifically)
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edited Jan 28 '18 at 16:04
endolith
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an...
How to use timeit module
... Fermi paradox
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answered Nov 22 '11 at 1:38
Raymond HettingerRaymond Hettinger
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How can I perform a str_replace in JavaScript, replacing text in JavaScript?
...e(re, "def") // saved regex
</script>
The results for Chrome 68 are as follows:
String replace: 9,936,093 operations/sec
Saved regex: 5,725,506 operations/sec
Regex: 5,529,504 operations/sec
New Regex String: 3,571,180 operations/sec
New Regex: 3,224,919 ...
UICollectionView Set number of columns
...ews:
http://www.raywenderlich.com/22324/beginning-uicollectionview-in-ios-6-part-12
http://skeuo.com/uicollectionview-custom-layout-tutorial
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