大约有 47,000 项符合查询结果(耗时:0.0392秒) [XML]

https://stackoverflow.com/ques... 

Check if value is in select list with JQuery

... Use the Attribute Equals Selector var thevalue = 'foo'; var exists = 0 != $('#select-box option[value='+thevalue+']').length; If the option's value was set via Javascript, that will not work. In this case we can do the following: var exists = fal...
https://stackoverflow.com/ques... 

How to reset sequence in postgres and fill id column with new data?

... SELECT setval('seq', 1, FALSE) should do the same (here, the third argument, FALSE, does the magic, as it shows that nextval must be 1 instead of 2) – Vasilen Donchev Sep 22 '15 at 14:43...
https://stackoverflow.com/ques... 

How do you list the primary key of a SQL Server table?

... SELECT Col.Column_Name from INFORMATION_SCHEMA.TABLE_CONSTRAINTS Tab, INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE Col WHERE Col.Constraint_Name = Tab.Constraint_Name AND Col.Table_Name = Tab.Table_Name ...
https://stackoverflow.com/ques... 

How to create your own library for Android development to be used in every program you write?

...uide focuses on creating Android libraries. Give your library a name and select a minimum SDK version for the code in the library, then click Finish. Once the Gradle project sync completes, the library module appears in the Project panel on the left. If you don't see the new module fol...
https://stackoverflow.com/ques... 

How to execute a bash command stored as a string with quotes and asterisk [duplicate]

...quotes. MYSQL='mysql AMORE -u username -ppassword -h localhost -e' QUERY="SELECT "'*'" FROM amoreconfig" ;# <-- "double"'single'"double" eval $MYSQL "'$QUERY'" Bonus: It also reads nice: eval mysql query ;-) share ...
https://stackoverflow.com/ques... 

How do I select a random value from an enumeration?

Given an arbitrary enumeration in C#, how do I select a random value? 9 Answers 9 ...
https://stackoverflow.com/ques... 

Professional jQuery based Combobox control? [closed]

... If I already select one value, then click arrow it only show the selected value, not all value. – linbo Oct 10 '12 at 11:55 ...
https://stackoverflow.com/ques... 

Tracking CPU and Memory usage per process

...tility to save the performance data for your inspection later. To do this, select "Performance Logs and Alerts" in the left-hand panel. (It's right under the System Monitor console which provides us with the above mentioned counters. If it is not there, click "File" > "Add/remove snap-in", click ...
https://stackoverflow.com/ques... 

Dynamic Sorting within SQL Stored Procedures

...eing duplicated twice in the order by, and is a little more readable IMO: SELECT s.* FROM (SELECT CASE @SortCol1 WHEN 'Foo' THEN t.Foo WHEN 'Bar' THEN t.Bar ELSE null END as SortCol1, CASE @SortCol2 WHEN 'Foo' THEN t.Foo WHEN 'Bar' THEN t.Bar ELSE...
https://stackoverflow.com/ques... 

The entity cannot be constructed in a LINQ to Entities query

... p in db.Products where p.CategoryID == categoryID select new ProductDTO { Name = p.Name }).ToList(); } share | improve this answer | follow ...