大约有 43,000 项符合查询结果(耗时:0.0537秒) [XML]

https://stackoverflow.com/ques... 

How to list records with date from the last 10 days?

...date) Why don't you just try it? The standard ANSI SQL format would be: SELECT Table.date FROM Table WHERE date > current_date - interval '10' day; I prefer that format as it makes things easier to read (but it is the same as current_date - 10). ...
https://stackoverflow.com/ques... 

Linq: GroupBy, Sum and Count

...a" is coming from, but the problem in the console app is that you're using SelectMany to look at each item in each group. I think you just want: List<ResultLine> result = Lines .GroupBy(l => l.ProductCode) .Select(cl => new ResultLine { ProductName =...
https://stackoverflow.com/ques... 

How to remove the focus from a TextBox in WinForms?

...evel methods for control designers. If you want everything else to be "not selected" this appears to be the easiest approach since, well, it's just one small line. – Rostov Jul 16 '14 at 15:42 ...
https://stackoverflow.com/ques... 

SQL Server: Is it possible to insert into two tables at the same time?

...LARE @DataID int; INSERT INTO DataTable (Column1 ...) VALUES (....); SELECT @DataID = scope_identity(); INSERT INTO LinkTable VALUES (@ObjectID, @DataID); COMMIT The good news is that the above code is also guaranteed to be atomic, and can be sent to the server from a client application w...
https://stackoverflow.com/ques... 

MySQL - force not to use cache for testing speed of query

...ACHE (MySQL 5.7) option in your query. (MySQL 5.6 users click HERE ) eg. SELECT SQL_NO_CACHE * FROM TABLE This will stop MySQL caching the results, however be aware that other OS and disk caches may also impact performance. These are harder to get around. ...
https://stackoverflow.com/ques... 

How to configure Visual Studio to use Beyond Compare

... In Visual Studio, go to the Tools menu, select Options, expand Source Control, (In a TFS environment, click Visual Studio Team Foundation Server), and click on the Configure User Tools button. Click the Add button. Enter/select the following options for Compar...
https://stackoverflow.com/ques... 

Is it safe to use -1 to set all bits to true?

... on datasets of N bits by breaking it down into chunks of sizeof(unsigned)*CHAR_BIT bits each. – MSalters May 4 '09 at 7:22 2 ...
https://stackoverflow.com/ques... 

Nexus 7 not visible over USB via “adb devices” from Windows 7 x64

...he Nexus, or undoubtedly any other device. Not exactly obvious, but if you select the second option "Camera (PTP)" the device is available for debugging (the lesson is ignore the camera, and focus on the protocol PTP). This configuration is persistent, and I'm guessing that with a brand new device...
https://stackoverflow.com/ques... 

How to format all Java files in an Eclipse project at one time?

... Right click on the project root and select Source -> Format. This should work for at least version 3.8.1. and above. If the above does not work, you're probably using an older Eclipse-version. In such case you can select your Source Folders by clicking on t...
https://stackoverflow.com/ques... 

How can I select all children of an element except the last child?

How would I select all but the last child using CSS3 selectors? 9 Answers 9 ...