大约有 48,000 项符合查询结果(耗时:0.0460秒) [XML]

https://stackoverflow.com/ques... 

The selected run destination is not valid for this action

...ject icon in the left hand panel. 2) In the right hand panel that appears, select Build Settings » all. 3) You'll see the option to change the SDK. Screenshot: img546.imageshack.us/img546/9808/picture3fh.png – cwd Dec 16 '11 at 23:12 ...
https://stackoverflow.com/ques... 

Can I combine :nth-child() or :nth-of-type() with an arbitrary selector?

Is there a way to select every nth child that matches (or does not match) an arbitrary selector ? For example, I want to select every odd table row, but within a subset of the rows: ...
https://stackoverflow.com/ques... 

How to get size of mysql database?

... Run this query and you'll probably get what you're looking for: SELECT table_schema "DB Name", ROUND(SUM(data_length + index_length) / 1024 / 1024, 1) "DB Size in MB" FROM information_schema.tables GROUP BY table_schema; This query comes from the mysql forums, where there are...
https://stackoverflow.com/ques... 

DataSet panel (Report Data) in SSRS designer is gone

... With a report (rdl) file selected in your solution, select View and then Report Data. It is a shortcut of Ctrl+Alt+D. share | improve this answer...
https://stackoverflow.com/ques... 

“A lambda expression with a statement body cannot be converted to an expression tree”

...SQL to be executed against the database. Try this Arr[] myArray = objects.Select(o => new Obj() { Var1 = o.someVar, Var2 = o.var2 }).ToArray(); share | improve this answer | ...
https://stackoverflow.com/ques... 

How to remove a web site from google analytics

...e awhile to figure out. Go to the Admin tab. In the middle column, select the web property that you want to delete from the dropdown. In the right-hand column, click on "View Settings." ("Property Settings" in dec. 2015) At the bottom of the next page, select "Delete this view." ...
https://stackoverflow.com/ques... 

Reliable method to get machine's MAC address in C#

...aces() where nic.OperationalStatus == OperationalStatus.Up select nic.GetPhysicalAddress().ToString() ).FirstOrDefault(); Or: String firstMacAddress = NetworkInterface .GetAllNetworkInterfaces() .Where( nic => nic.OperationalStatus == OperationalStatus.Up &&...
https://stackoverflow.com/ques... 

SQL JOIN vs IN performance?

...king, IN and JOIN are different queries that can yield different results. SELECT a.* FROM a JOIN b ON a.col = b.col is not the same as SELECT a.* FROM a WHERE col IN ( SELECT col FROM b ) , unless b.col is unique. However, this is the syno...
https://stackoverflow.com/ques... 

When restoring a backup, how do I disconnect all active connections?

... the steps (via: Tim Leung) Right-click the server in Object Explorer and select 'Activity Monitor'. When this opens, expand the Processes group. Now use the drop-down to filter the results by database name. Kill off the server connections by selecting the right-click 'Kill Process' option. ...
https://stackoverflow.com/ques... 

Escape Character in SQL Server

...s the second answer shows it's possible to escape single quote like this: select 'it''s escaped' result will be it's escaped If you're concatenating SQL into a VARCHAR to execute (i.e. dynamic SQL), then I'd recommend parameterising the SQL. This has the benefit of helping guard against SQL in...