大约有 19,606 项符合查询结果（耗时：0.0283秒） [XML]
how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
... to upgrade!
Building on Bill Karwin's answer, to spell out what a rule based approach would look like (transferring from another schema in the same DB, and with a multi-column primary key):
CREATE RULE "my_table_on_duplicate_ignore" AS ON INSERT TO "my_table"
WHERE EXISTS(SELECT 1 FROM my_tab...
Get content uri from file path in android
...red Jul 6 '11 at 20:58
AndroidDebaserAndroidDebaser
36933 silver badges55 bronze badges
...
What is a provisioning profile used for when developing iPhone applications?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
Draft saved
Draft discarded
...
How to run a shell script in OS X by double-clicking?
...cal), anyone can invoke it (assuming they're also allowed to read the file based on the read permission bit(s) and the file's ownership).
share
|
improve this answer
|
follow...
SQL Add foreign key to existing column
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
Draft saved
Draft discarded
...
Increasing client_max_body_size in Nginx conf on AWS Elastic Beanstalk
...
The accepted answer didn't work for me since I have a JVM-based app and it seems to do NGINX configuration differently. I would see a proxy.conf file being created during the deploy but then later deleted before the deploy was completed. AWS documentation explains how to configure ...
Using a dispatch_once singleton model in Swift
...eant to be subclassed since that would result in multiple instances of the base singleton. Using static enforces this in a beautiful, Swifty way.
For Swift 1.0 and 1.1:
With the recent changes in Swift, mostly new access control methods, I am now leaning towards the cleaner way of using a global v...
Best way to work with transactions in MS SQL Server Management Studio
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
Draft saved
Draft discarded
...
Comparing Timer with DispatcherTimer
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
Draft saved
Draft discarded
...
Python Mocking a function from an imported module
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
Draft saved
Draft discarded
...