大约有 15,640 项符合查询结果(耗时:0.0322秒) [XML]

https://stackoverflow.com/ques... 

How to do an update + join in PostgreSQL?

... Your first SQL example has a syntax error. "update t1" cannot use the alias from the t subquery, it needs to use the table name: "update table1". You do this correctly in your second example. – EricS Nov 18 '19 at 21:05 ...
https://stackoverflow.com/ques... 

How do you make sure email you send programmatically is not automatically marked as spam?

...sible bounce mails ("Returned to sender")? You can also set up a separate "errors-to" address. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

How to check if a stored procedure exists before creating it

...t is still in use by other people, systems, or threads. Tracking down the errors caused by momentarily dropping a stored procedure can be quite vexing because they are very difficult to reproduce. – James Dec 4 '14 at 22:51 ...
https://stackoverflow.com/ques... 

Java: Path vs File

...row exceptions when they failed, so it was impossible to obtain a useful error message. For example, if a file deletion failed, the program would receive a "delete fail" but wouldn't know if it was because the file didn't exist, the user didn't have permissions, or there was some other probl...
https://stackoverflow.com/ques... 

How to sort git tags by version string order of form rc-X.Y.Z.W?

...played ref has fewer components than <N>, the command aborts with an error. For git tag, when unspecified, defaults to %(refname:strip=2). Update Git 2.12 (Q1 2017) See commit c026557, commit b178464, commit 51acfa9, commit b823166, commit 109064a, commit 0c1b487, commit 9ffda48, commit ...
https://stackoverflow.com/ques... 

Copy existing project with a new name in Android Studio

... selected the base package folder and clicked Refactor -> Rename, I got errors with "package rename" option, then I did "folder rename" option with success. – Ismail Yavuz May 23 '19 at 2:30 ...
https://stackoverflow.com/ques... 

Is there a splice method for strings?

... Creating temp vars and introducing places for off-by-one errors, not to mention code that takes longer for humans to process as opposed to split("").splice(...).join("") is a tradeoff that deserves consideration. The speed issue is only an issue if it's an issue. ...
https://stackoverflow.com/ques... 

How do I create a URL shortener?

...imilar that they are near impossible to tell the difference) and downright error prone. Try to use lower or upper case only. Also, try to have a format where you mix the numbers and characters in a predefined form. There are studies that show that people tend to remember one form better than others...
https://stackoverflow.com/ques... 

How to make a class JSON serializable

...is does not work with datetime.datetime instances. It throws the following error: 'datetime.datetime' object has no attribute '__dict__' – Bruno Finger Jun 17 '15 at 12:43 ...
https://stackoverflow.com/ques... 

Importing a Maven project into Eclipse from Git

...this is a solution to these issues: You can't install m2e-egit (I get an error in Juno) Converting a general project (connected to your Git repository) to a Maven project isn't working for you (The Import Maven Projects step seems essential) Importing Maven Projects from your repository on the fil...