大约有 40,000 项符合查询结果(耗时:0.0381秒) [XML]

https://stackoverflow.com/ques... 

How to check if a Constraint exists in Sql server?

... try this: SELECT * FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS WHERE CONSTRAINT_NAME ='FK_ChannelPlayerSkins_Channels' -- EDIT -- When I originally answered this question, I was thinking "Foreign Key" because the o...
https://stackoverflow.com/ques... 

How to check if a column exists in a SQL Server table?

... SQL Server 2005 onwards: IF EXISTS(SELECT 1 FROM sys.columns WHERE Name = N'columnName' AND Object_ID = Object_ID(N'schemaName.tableName')) BEGIN -- Column Exists END Martin Smith's version is shorter: IF COL_LENGTH('schemaName.tabl...
https://stackoverflow.com/ques... 

Multiple file upload in php

... what would the expected outcome be? Browser allowing multiple files to be selected? – Sven Oct 3 '12 at 17:41 9 ...
https://stackoverflow.com/ques... 

SQL - HAVING vs. WHERE

...ows; HAVING clause introduces a condition on aggregations, i.e. results of selection where a single result, such as count, average, min, max, or sum, has been produced from multiple rows. Your query calls for a second kind of condition (i.e. a condition on an aggregation) hence HAVING works correctl...
https://stackoverflow.com/ques... 

Compare two files in Visual Studio

... the desktop. That's all! Usage: Open the Windows explorer via Win + E Select two files to compare in the explorer Drag and drop them as shown in the animation below: After a few seconds (depending on the launch time of Visual Studio), the results will be shown in Visual Studio: Note: It d...
https://stackoverflow.com/ques... 

SQL: capitalize first letter only [duplicate]

...t only for displaying and do not need the actual data in table to change: SELECT UPPER(LEFT(word,1))+LOWER(SUBSTRING(word,2,LEN(word))) FROM [yourtable] Hope this helps. EDIT: I realised about the '-' so here is my attempt to solve this problem in a function. CREATE FUNCTION [dbo].[CapitalizeFi...
https://stackoverflow.com/ques... 

Xcode duplicate/delete line

...ct with the following content and restart Xcode. { "^$K" = ( "selectLine:", "cut:" ); "^$D" = ( "selectLine:", "copy:", "moveToEndOfLine:", "insertNewline:", "paste:", "deleteBackward:" ); } This will create two shor...
https://stackoverflow.com/ques... 

How do I generate a constructor from class fields using Visual Studio (and/or ReSharper)?

... ReSharper offers a Generate Constructor tool where you can select any field/properties that you want initialized. I use the Alt + Ins hot-key to access this. share | improve this ans...
https://stackoverflow.com/ques... 

MySQL indexes - what are the best practices?

...t them. Generally I put an index on any fields that I will be searching or selecting using a WHERE clause but sometimes it doesn't seem so black and white. ...
https://stackoverflow.com/ques... 

ERROR ITMS-9000: “Redundant Binary Upload. There already exists a binary upload with build version '

...umber just has to be unique (and higher) for each binary that is uploaded (select the Target, then Xcode -> General -> Build, see the picture below). For example in the image below the build uploaded has version 3.1.4 (3.75 in the older image) and the build number is 1. Thus, after uploading t...