大约有 15,500 项符合查询结果(耗时:0.0417秒) [XML]
Can I have an IF block in DOS batch file?
...f if statements to handle that.
Secondly, that %GPMANAGER_FOUND% == true test looks mighty suspicious to me. I don't know what the environment variable is set to or how you're setting it, but I very much doubt that the code you've shown will produce the result you're looking for.
The following s...
Is there a version control system for database structure changes?
...ew script, and any developer can apply it to bring their local db to the latest version.
share
|
improve this answer
|
follow
|
...
How to delete duplicate rows in SQL Server?
...ave no references, like foreign keys, you can do this. I do it a lot when testing proofs of concept and the test data gets duplicated.
SELECT DISTINCT [col1],[col2],[col3],[col4],[col5],[col6],[col7]
INTO [newTable]
Go into the object explorer and delete the old table.
Rename the new table wit...
Quick Sort Vs Merge Sort [duplicate]
...ap operation is costlier on CPU than compare operation, as mentioned here. Testing on home laptop Quick sort takes 0.6 sec to sort millon items unlike merge sort taking 1 sec where as insertion sort takes 2.8 hours.
– overexchange
Dec 31 '16 at 5:38
...
Check image width and height before upload with Javascript
...on't think apple ever gonna release 6.0 for windows. 5.1.7 have been the latest verson of safari from soooo long ago
– Seho Lee
Nov 28 '12 at 11:59
...
When and why would you seal a class?
...ntreated is this even measureable with less then an insane number of crazy tests?
– t3chb0t
Aug 11 '17 at 12:18
4
...
How to use the C socket API in C++ on z/OS
...d quite often that a feature that you want to use is guarded by a "feature test macro"
You should ask your friendly system programmer to install the XL C/C++ Run-Time Library Reference: Man Pages
on your system. Then you can do things like "man connect" to pull up the man page for the socket conn...
Split function equivalent in T-SQL?
...(@delimiter, @str, b+1) + LEN(@delimiter). The b+1 makes a big difference. Tested here with space as delimiter, didn't work without this fix.
– JwJosefy
Dec 19 '16 at 17:47
...
Most efficient way to prepend a value to an array
...
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...
Does python have a sorted list?
...ue using a regular list. You'd have to write your own efficient membership test that makes use of the queue's internal structure (that can be done in O(log n), I'd say...). There is one downside: extracting a sorted list has complexity O(n log n).
...