大约有 40,000 项符合查询结果(耗时:0.0228秒) [XML]

https://stackoverflow.com/ques... 

Android requires compiler compliance level 5.0 or 6.0. Found '1.7' instead. Please use Android Tools

....0 or Java 6.0. To do that, 2 options: Right-click on your project and select "Android Tools -> Fix Project Properties" (if this din't work, try second option) Right-click on your project and select "Properties -> Java Compiler", check "Enable project specific settings" and select 1.5 ...
https://stackoverflow.com/ques... 

“where 1=1” statement [duplicate]

...hould ignore it No magic, just practical Example Code: commandText = "select * from car_table where 1=1"; if (modelYear <> 0) commandText += " and year="+modelYear if (manufacturer <> "") commandText += " and value="+QuotedStr(manufacturer) if (color <> "") command...
https://stackoverflow.com/ques... 

Truncating all tables in a Postgres database

...e IN VARCHAR) RETURNS void AS $$ DECLARE statements CURSOR FOR SELECT tablename FROM pg_tables WHERE tableowner = username AND schemaname = 'public'; BEGIN FOR stmt IN statements LOOP EXECUTE 'TRUNCATE TABLE ' || quote_ident(stmt.tablename) || ' CASCADE;'; END LOO...
https://stackoverflow.com/ques... 

Invalid postback or callback argument. Event validation is enabled using '

... I had an experience with DataGrid. One of it's columns was "Select" button. When I was clicking "Select" button of any row I had received this error message: "Invalid postback or callback argument. Event validation is enabled using in configuration or <%@ Page EnableEve...
https://stackoverflow.com/ques... 

NULL values inside NOT IN clause

... Query A is the same as: select 'true' where 3 = 1 or 3 = 2 or 3 = 3 or 3 = null Since 3 = 3 is true, you get a result. Query B is the same as: select 'true' where 3 <> 1 and 3 <> 2 and 3 <> null When ansi_nulls is on, 3 <&...
https://stackoverflow.com/ques... 

Visual Studio : short cut Key : Duplicate Line

...ure is now built-in in VS2017: Ctrl + E, V duplicates a line if nothing is selected, or duplicates selection. You can assign it to a different key combination, or find it in the menu: See this reference for more information. Pre VS2017, built-in method using clipboard As @cand mentioned, you ca...
https://stackoverflow.com/ques... 

Get Specific Columns Using “With()” Function in Laravel Eloquent

... like Post::with(array('user'=>function($query){ $query->select('id','username'); }))->get(); It will only select id and username from other table. I hope this will help others. Remember that the primary key (id in this case) needs to be the first param in the $query->s...
https://stackoverflow.com/ques... 

What's the reason for “Error:Cannot determine Java VM executable in selected JDK”?

...ettings from project context menu (or default hit F4), then from left tab select Project and point correct Project SDK on dropdown. share | improve this answer | follow ...
https://stackoverflow.com/ques... 

Swapping column values in MySQL

...rows affected (0.08 sec) Records: 4 Duplicates: 0 Warnings: 0 mysql> SELECT * FROM swaptest; +------+------+ | X | Y | +------+------+ | 1 | 2 | | 3 | 4 | | -5 | -8 | | -13 | 27 | +------+------+ 4 rows in set (0.00 sec) mysql> Here is the swap being performed m...
https://stackoverflow.com/ques... 

Setting JDK in Eclipse

...roperties the "JRE System Library" was still there. When I deleted it and selected "Use default Workspace JRE" only then did it pick up my change. I would have thought Eclipse should have updated my projects JRE when I selected a different JRE for my workspace – MayoMan ...