大约有 3,000 项符合查询结果(耗时:0.0312秒) [XML]

https://stackoverflow.com/ques... 

Fast way to discover the row count of a table in PostgreSQL

...s. You can use a subquery with LIMIT: SELECT count(*) FROM (SELECT 1 FROM token LIMIT 500000) t; Postgres actually stops counting beyond the given limit, you get an exact and current count for up to n rows (500000 in the example), and n otherwise. Not nearly as fast as the estimate in pg_class, t...
https://stackoverflow.com/ques... 

What is a pre-revprop-change hook in SVN, and how do I create it?

... sure that the new svn:log message is not empty. set bIsEmpty=true for /f "tokens=*" %%g in ('find /V ""') do ( set bIsEmpty=false ) if "%bIsEmpty%" == "true" goto ERROR_EMPTY goto :eof :ERROR_EMPTY echo Empty svn:log messages are not allowed. >&2 goto ERROR_EXIT :ERROR_PROPNAME echo Only ...
https://stackoverflow.com/ques... 

reading from app.config file

...t.com/en-us/library/system.configuration.configurationsettings.appsettings.aspx That said, it should still work. Just a suggestion, but have you confirmed that your application configuration is the one your executable is using? Try attaching a debugger and checking the following value: AppDomain...
https://stackoverflow.com/ques... 

POST JSON to API using Rails and HTTParty

...ave an api and instructions as follows. You need to authenticate and get a token and then submit the ticket with the token. From squishlist. ...
https://stackoverflow.com/ques... 

Could not load file or assembly 'System.Web.Mvc'

...e suggests: http://www.haacked.com/archive/2008/11/03/bin-deploy-aspnetmvc.aspx . I added these: * Microsoft.Web.Infrastructure * System.Web.Razor * System.Web.WebPages.Deployment * System.Web.WebPages.Razor Godaddy Deployment worked perfectly. Turn custom errors off and add references to correc...
https://stackoverflow.com/ques... 

Is .NET Remoting really deprecated?

... description. http://msdn.microsoft.com/en-us/library/72x4h507%28VS.85%29.aspx This topic is specific to a legacy technology that is retained for backward compatibility with existing applications and is not recommended for new development. Distributed applications should now be develo...
https://stackoverflow.com/ques... 

What are the benefits of using C# vs F# or F# vs C#? [closed]

... up a WinForms app with F# codebehind. Even where it is supported, like in ASPX pages, you don't currently get IntelliSense. So, you need to carefully consider where your boundaries will be for generated code. On a really tiny project that almost exclusively uses the various designers, it might not ...
https://stackoverflow.com/ques... 

The quest for the Excel custom function tooltip

...el Add-in Manager. http://msdn.microsoft.com/en-us/library/office/bb687861.aspx How you develop the XLL? Excel XLL SDK with Visual C++ (or anything that can compile a DLL and call the SDK procedures) Where I can find a quick guide for creating a simple XLL? http://support.microsoft.com/k...
https://stackoverflow.com/ques... 

Shortcut for creating single item list in C#

... Other" }; See http://msdn.microsoft.com/en-us/library/bb384062(v=vs.90).aspx share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Never seen before C++ for loop

... @Izkata: It isn't EVER an operator, it's parsed as a -- token followed by a > token. Two separate operators. A "down to zero" loop is just a straightforward combination of post-decrement and greater-than. C++ operator overloading doesn't create new operators, it just repurpo...