大约有 41,000 项符合查询结果(耗时:0.0539秒) [XML]

https://stackoverflow.com/ques... 

How can I get query string values in JavaScript?

...ould return 0 instead of 1. You need to escape the regular expression metacharacters in name before building your regular expression. And you only need to call .replace() once by using the global flag and using "\\$&" as the replacement expression. You should search on location.search instead...
https://stackoverflow.com/ques... 

libxml/tree.h no such file or directory

...n two ways: 1. Target settings Click on your target (not your project) and select Build Phases. Click on the reveal triangle titled Link Binary With Libraries. Click on the + to add a library. Scroll to the bottom of the list and select libxml2.dylib. That adds the libxml2 library to your project. 2...
https://stackoverflow.com/ques... 

Which data type for latitude and longitude?

...e using gist (geog); and then request, say, 5 closest to a given point: select * from your_table order by geog <-> 'SRID=4326;POINT(lon lat)' limit 5; share | improve this answer ...
https://stackoverflow.com/ques... 

Script to kill all connections to a database (More than RESTRICTED_USER ROLLBACK)

... Server 2012 and above USE [master]; DECLARE @kill varchar(8000) = ''; SELECT @kill = @kill + 'kill ' + CONVERT(varchar(5), session_id) + ';' FROM sys.dm_exec_sessions WHERE database_id = db_id('MyDB') EXEC(@kill); For MS SQL Server 2000, 2005, 2008 USE master; DECLARE @kill varchar(8000...
https://stackoverflow.com/ques... 

How to find duplicates in 2 columns not 1

..._title for each row. As far as finding the existing duplicates try this: select stone_id, upcharge_title, count(*) from your_table group by stone_id, upcharge_title having count(*) > 1 ...
https://stackoverflow.com/ques... 

Entity Framework is Too Slow. What are my options? [closed]

...uct product = db.Products.SingleOrDefault(p => p.Id == 10); // executes SELECT * FROM Products WHERE Id = 10 ProductDto dto = new ProductDto(); foreach (Category category in product.Categories) // executes SELECT * FROM Categories WHERE ProductId = 10 { dto.Categories.Add(new CategoryDto { N...
https://stackoverflow.com/ques... 

How to check which locks are held on a table

...pful to you. You can check which statements are blocked by running this: select cmd,* from sys.sysprocesses where blocked > 0 It will also tell you what each block is waiting on. So you can trace that all the way up to see which statement caused the first block that caused the other blocks. ...
https://stackoverflow.com/ques... 

Data structure: insert, remove, contains, get random element, all at O(1)

...o other solutions). The requirement that's tricky is the "random element" selection: in a hash table, you would need to scan or probe for such an element. For closed hashing / open addressing, the chance of any given bucket being occupied is size() / capacity(), but crucially this is typically kep...
https://stackoverflow.com/ques... 

“Remote System Explorer Operation” causing freeze for couple of seconds

... Here are the steps: Click on the Windows > Preferences menu Select General > Workspace > Build in the tree Uncheck Use default build order Select RemoteSystemsTempFiles Click Remove Project Click Apply and Close ...
https://stackoverflow.com/ques... 

How do I disable form fields using CSS?

...e not been set. To retrieve and change DOM properties such as the checked, selected, or disabled state of form elements, use the .prop() method." Source Documentation: .attr() and .prop() – Nicholas Ryan Bowers May 11 '15 at 19:58 ...