大约有 34,900 项符合查询结果（耗时：0.0448秒） [XML]
Possible to perform cross-database queries with PostgreSQL?
...
Note: As the original asker implied, if you are setting up two databases on the same machine you probably want to make two schemas instead - in that case you don't need anything special to query across them.
postgres_fdw
Use postgres_fdw (foreign ...
Typing Enter/Return key using Python and Selenium?
I'm looking for a quick way to type and Enter or Return key in Selenium. Unfortunately the form I'm trying to test (not my own code so I can't modify) doesn't have a Submit button. When working with it manually, I just type ENTER or RETURN . I need to know how to do that with the Selenium type ...
Linq code to select one item
I find myself writing a lot of code like this to select one item that matches
7 Answers
...
How can I add new array elements at the beginning of an array in Javascript?
...
Use unshift. It's like push, except it adds elements to the beginning of the array instead of the end.
unshift/push - add an element to the beginning/end of an array
shift/pop - remove and return the first/last element of an array
A simple ...
Using relative URL in CSS file, what location is it relative to?
When defining something like a background image URL in a CSS file, when using a relative URL, where is it relative to? For example:
...
Which terminal command to get just IP address and nothing else?
...
You can write a script that only return the IP like:
/sbin/ifconfig eth0 | grep 'inet addr' | cut -d: -f2 | awk '{print $1}'
For MAC:
ifconfig | grep "inet " | grep -v 127.0.0.1 | cut -d\ -f2
Or for linux system
hostname -i | awk '{print $3}' # Ubuntu
hostname -i ...
How to use ssh agent forwarding with “vagrant ssh”?
Rather than create a new SSH key pair on a vagrant box, I would like to re-use the key pair I have on my host machine, using agent forwarding . I've tried setting config.ssh.forward_agent to TRUE in the Vagrantfile, then rebooted the VM, and tried using:
...
Best way to hide a window from the Alt-Tab program switcher?
...eloper for several years now and this is still one of those things I don't know how to do properly. It's easy to hide a window from the taskbar via a property in both Windows Forms and WPF, but as far as I can tell, this doesn't guarantee (or necessarily even affect) it being hidden from the Alt + ...
Capitalize the first letter of both words in a two word string
...e final count
"Zip Code" "State" "Final Count"
Edit This works for any string, regardless of word count:
simpleCap("I like pizza a lot")
[1] "I Like Pizza A Lot"
share
|
improve thi...
Location Manager Error : (KCLErrorDomain error 0)
...ccurs if you have Scheme/Edit Scheme/Options/Allow Location Simulation checked but don't have a default location set. I'm sure there are other causes as well though.
share
|
improve this answer
...