大约有 4,500 项符合查询结果（耗时：0.0206秒） [XML]
Creating an index on a table variable
...QUE WHERE c1 IS NOT NULL /*Unique ignoring nulls*/
)
SQL Server 2000 - 2012
Can I create a index on Name?
Short answer: Yes.
DECLARE @TEMPTABLE TABLE (
[ID] [INT] NOT NULL PRIMARY KEY,
[Name] [NVARCHAR] (255) COLLATE DATABASE_DEFAULT NULL,
UNIQUE NONCLUSTERED ([Name], [ID])
)
...
nuget 'packages' element is not declared warning
...olution breaks the automatic installation of missing packages feature in vs2012/nuget. The warning was gone, but it cost me hours to find out, why vs2012 doesn't install missing packages anymore. So the better solution (answer in stackoverflow.com/questions/2833243/…) is to create a schema via men...
How to debug a single thread in Visual Studio?
...
alas, it won't install on vs2012. Do you have a newer version or are you will to share the source code so I can build it myself?
– stu
Feb 19 '15 at 20:01
...
What is a Portable Class Library?
...imon Cooper
Video: Channel 9 Visual Studio Toolbox show episode 14 June 2012
Video: Channel 9 Going Deep Show episode 27 Sep 2011
UPDATE Sep 11 2012: Good high level blog post with pictures, diagrams and motivating examples showing how MVVM Light and RX use it
UPDATE Apr 11 2012: Very good e...
Is it better practice to use String.format over string Concatenation in Java?
...
log.info("String Builder = " + ((end - start)) + " millisecond");
2012-01-11 16:30:46,058 INFO [TestMain] - Format = 1416 millisecond
2012-01-11 16:30:46,190 INFO [TestMain] - Concatenation = 134 millisecond
2012-01-11 16:30:46,313 INFO [TestMain] - String Builder = 117 millisecond
...
Complex CSS selector for parent of active child [duplicate]
...
Is CSS Selectors 4 spec is available now? (December 2012)
– Sukanta Paul
Dec 12 '12 at 15:21
3
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Calculate difference between two datetimes in MySQL
...F MySQL function. For example, you can use:
SELECT TIMESTAMPDIFF(SECOND, '2012-06-06 13:13:55', '2012-06-06 15:20:18')
In your case, the third parameter of TIMSTAMPDIFF function would be the current login time (NOW()). Second parameter would be the last login time, which is already in the databas...
Import CSV file into SQL Server
... if you have SSIS - I recommend you check into it. Versions of SQL Server 2012 and later have a very robust SSIS designer (also in VS 2012 and later) that would enable your client to simply send you the excel files instead of csv.
– qxotk
Dec 14 '16 at 3:19
...
Significant new inventions in computing since 1980
...ications.
Suddenly games seemed less like hard
work and more like watching TV, which
opened the doors for Sega, Nintendo,
Atari et al to bring consumer gaming
into the home.
Media compression (MP3s and video
files). And a whole bunch of things -
like TiVO and iPods - that we don't
really think of as...
How do I iterate over an NSArray?
...ust 400 times longer! thats 40,000% longer!).
Header:
// Array_Speed_TestViewController.h
// Array Speed Test
// Created by Mehmet Akten on 05/02/2009.
// Copyright MSA Visuals Ltd. 2009. All rights reserved.
#import <UIKit/UIKit.h>
@interface Array_Speed_TestViewController : UIView...