大约有 40,000 项符合查询结果(耗时:0.0610秒) [XML]

https://stackoverflow.com/ques... 

How to do a join in linq to sql with method syntax?

...eOtherClass on sc.Property1 equals soc.Property2 select new { SomeClass = sc, SomeOtherClass = soc }; Would be equivalent to: var result = enumerableOfSomeClass .Join(enumerableOfSomeOtherClass, sc => sc.Property1, soc => soc.Property2, ...
https://stackoverflow.com/ques... 

Dump a mysql database to a plaintext (CSV) backup from the command line

... separated) files which can import into Excel, etc, quite easily: % echo 'SELECT * FROM table' | mysql -B -uxxx -pyyy database Alternatively, if you've got direct access to the server's file system, use SELECT INTO OUTFILE which can generate real CSV files: SELECT * INTO OUTFILE 'table.csv' ...
https://stackoverflow.com/ques... 

SQL statement to get column type

... Using SQL Server: SELECT DATA_TYPE FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'yourTableName' AND COLUMN_NAME = 'yourColumnName' share |...
https://stackoverflow.com/ques... 

Function vs. Stored Procedure in SQL Server

...-----------+----------------------------------------+ | We can't use SP in SELECT/ | We can use UDF in SELECT/ WHERE/ | | WHERE/ HAVING statement. | HAVING statement. | +---------------------------------+----------------------------------------+ | We can use ex...
https://stackoverflow.com/ques... 

CSS Selector that applies to elements with two classes

Is there a way to select an element with CSS based on the value of the class attribute being set to two specific classes. For example, let's say I have 3 divs: ...
https://stackoverflow.com/ques... 

How to stop Eclipse formatter from placing all enums on one line

...indow > Preferences > Java > Code Style > Formatter Click Edit Select the Line Wrapping tab Select the enum declaration treenode Set Line wrapping policy to Wrap all elements, every element on a new line (...) so it now says 3 of 3 in the parenthesis. Uncheck Force split, even if line sh...
https://stackoverflow.com/ques... 

The import android.support cannot be resolved

...Libraries tab. There click the Add External JARs Button on the Right pane. Select the android-support-v4.jar file, usually the path for the Jar file is : YOUR_DRIVE\android-sdks\extras\android\support\v4\android-support-v4.jar After adding android-support-v4.jar Library, navigate to the Order and E...
https://stackoverflow.com/ques... 

Checking for an empty field with MySQL

... I have same comment as Quassnoi's. I issue "select orig_id,hotline from normal_1952 where !(hotline > '')" and there's one record with null hotline but it doesn't match.I'm using MySQL 5.6 – Scott Chu Apr 15 '16 at 10:16 ...
https://stackoverflow.com/ques... 

Set cookie and get cookie with JavaScript [duplicate]

...= c_name) { return unescape(y); } } } function cssSelected() { var cssSelected = $('#myList')[0].value; if (cssSelected !== "select") { setCookie("selectedCSS", cssSelected, 3); } } $(document).ready(function() { $('#myList')[0].value = getCookie("se...
https://stackoverflow.com/ques... 

Truncate all tables in a MySQL database in one command?

... truncate multiple database tables on Mysql instance SELECT Concat('TRUNCATE TABLE ',table_schema,'.',TABLE_NAME, ';') FROM INFORMATION_SCHEMA.TABLES where table_schema in ('db1_name','db2_name'); Use Query Result to truncate tables Note: may be you will get this ...