大约有 47,000 项符合查询结果(耗时:0.0531秒) [XML]

https://stackoverflow.com/ques... 

The current branch is not configured for pull No value for key branch.master.merge found in configur

... To fix this problem in Eclipse, open the Windows menu and select Show View / Other / Git Repositories. From the Git Repositories tab: expand your local repository right click on Remote click on Create Remote... Remote name = origin next to IRI press the Change button CTRL+SPACE o...
https://stackoverflow.com/ques... 

Auto select file in Solution Explorer from its open tab

...times, I find myself right-clicking on a tab title and searching for Show/Select/Scroll-to this file in Solution Explorer , and I can't find it. ...
https://stackoverflow.com/ques... 

SQL Server - Create a copy of a database table and place it in the same database?

... Use SELECT ... INTO: SELECT * INTO ABC_1 FROM ABC; This will create a new table ABC_1 that has the same column structure as ABC and contains the same data. Constraints (e.g. keys, default values), however, are -not- copied. ...
https://stackoverflow.com/ques... 

How to report an error from a SQL Server user-defined function

... For an inline-table-valued-function where the RETURN is a simple select, this alone doesn't work because nothing is returned - not even null, and in my case I wanted to throw an error when nothing was found. I didn't want to break down the inline function into a multi-statment one for obv...
https://stackoverflow.com/ques... 

How does the ARM architecture differ from x86? [closed]

...instructions operate only on registers with a few instructions for loading and saving data from / to memory while x86 can operate directly on memory as well. Up until v8 ARM was a native 32 bit architecture, favoring four byte operations over others. So ARM is a simpler architecture, leading to sma...
https://stackoverflow.com/ques... 

Android Spinner : Avoid onItemSelected calls during initialization

...droid application with a Spinner and a TextView . I want to display the selected item from the Spinner's drop down list in the TextView. I implemented the Spinner in the onCreate method so when I'm running the program, it shows a value in the TextView (before selecting an item from the drop d...
https://stackoverflow.com/ques... 

How do I set up IntelliJ IDEA for Android applications?

...Program Files\Java\jdk{version} Choose a New platform ( if there's not one selected ) , the SDK platform is the android platform at C:\Program Files\Android\android-sdk-windows. Choose the android version. Now you can write your program. Compiling: Near the Run button you need to select the drop...
https://stackoverflow.com/ques... 

How to return result of a SELECT inside a function in PostgreSQL?

... bigint , ratio bigint) AS $func$ BEGIN RETURN QUERY SELECT t.txt , count(*) AS cnt -- column alias only visible inside , (count(*) * 100) / _max_tokens -- I added brackets FROM ( SELECT t.txt FROM token t WHERE t.charty...
https://stackoverflow.com/ques... 

PostgreSQL create table if not exists

..._mytable() RETURNS void LANGUAGE plpgsql AS $func$ BEGIN IF EXISTS (SELECT FROM pg_catalog.pg_tables WHERE schemaname = 'myschema' AND tablename = 'mytable') THEN RAISE NOTICE 'Table myschema.mytable already exists.'; ELSE CREATE TABLE myschema...
https://stackoverflow.com/ques... 

Count(*) vs Count(1) - SQL Server

... The optimizer recognizes it for what it is: trivial. The same as EXISTS (SELECT * ... or EXISTS (SELECT 1 ... Example: SELECT COUNT(1) FROM dbo.tab800krows SELECT COUNT(1),FKID FROM dbo.tab800krows GROUP BY FKID SELECT COUNT(*) FROM dbo.tab800krows SELECT COUNT(*),FKID FROM dbo.tab800krows GROU...