大约有 45,000 项符合查询结果（耗时：0.0499秒） [XML]
Which version of PostgreSQL am I running?
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edited Oct 24 '17 at 3:42
answered Dec 5 '12 at 22:42
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Swift Beta performance: sorting arrays
...ksort_swift(inout a:CInt[], start:Int, end:Int) {
if (end - start < 2){
return
}
var p = a[start + (end - start)/2]
var l = start
var r = end - 1
while (l <= r){
if (a[l] < p){
l += 1
continue
}
if (a[r] > p)...
Any reason not to use '+' to concatenate two strings?
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122
There is nothing wrong in concatenating two strings with +. Indeed it's easier to read than ''....
PowerShell script to return versions of .NET Framework on a machine?
... [version]'4.5.1'
378758 = [version]'4.5.1'
379893 = [version]'4.5.2'
393295 = [version]'4.6'
393297 = [version]'4.6'
394254 = [version]'4.6.1'
394271 = [version]'4.6.1'
394802 = [version]'4.6.2'
394806 = [version]'4.6.2'
460798 = [version]'4.7'
460805 = [vers...
How to find all combinations of coins when given some dollar value
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What is the string concatenation operator in Oracle?
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238
It is ||, for example:
select 'Mr ' || ename from emp;
The only "interesting" feature I can...
Fitting empirical distribution to theoretical ones with Scipy (Python)?
...teger values ranging from 0 to 47, inclusive, e.g. [0,0,0,0,..,1,1,1,1,...,2,2,2,2,...,47,47,47,...] sampled from some continuous distribution. The values in the list are not necessarily in order, but order doesn't matter for this problem.
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How do you perform a left outer join using linq extension methods
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B--rian
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answered Feb 25 '09 at 5:44
Marc Gravell♦Marc Gravell
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Django REST framework: non-model serializer
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2 Answers
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How to export a Vagrant virtual machine to transfer it
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121
You have two ways to do this, I'll call it dirty way and clean way:
1. The dirty way
Create a...