大约有 44,000 项符合查询结果（耗时：0.0553秒） [XML]
Path to Powershell.exe (v 2.0)
...
I think $PsHome has the information you're after?
PS .> $PsHome
C:\Windows\System32\WindowsPowerShell\v1.0
PS .> Get-Help about_automatic_variables
TOPIC
about_Automatic_Variables ...
...
Have nginx access_log and error_log log to STDOUT and STDERR of master process
...verything (daemon modes, users, nginx versions etc). It just does not work for me. """open() "/dev/stderr" failed (6: No such device or address)""" (same issues with stdout, but nginx should output to stderr according to docs)
– Ivan Kleshnin
Feb 8 '15 at 10:09...
Is there a function to deselect all text using JavaScript?
..., selection is still cleared.
– Shadow Wizard is Ear For You
Jul 3 '11 at 12:39
@Shadow Here is the proper demo: jsfid...
Ruby on Rails Callback, what is difference between :before_save and :before_create?
Could you explain in detail what the :before_save and :before_create Ruby on Rails callbacks are, and what they have to do with Rails validations? Does validation occur after :before_save or :before_create ?
...
Is there an equivalent to background-size: cover and contain for image elements?
...
You can also add polyfill for #1 for IE and old Safari: github.com/bfred-it/object-fit-images
– Valera Tumash
Apr 1 '17 at 21:22
1
...
Is there a way for multiple processes to share a listening socket?
In socket programming, you create a listening socket and then for each client that connects, you get a normal stream socket that you can use to handle the client's request. The OS manages the queue of incoming connections behind the scenes.
...
Installing MSBuild 4.0 without Visual Studio 2010
..., so I downloaded the .NET 4.0 Framework from Microsoft at this link . Unfortunately, it doesn't appear to have installed MSBuild with this download (or at least I can't find it).
...
Linux/Unix command to determine if process is running?
I need a platform independent (Linux/Unix|OSX) shell/bash command that will determine if a specific process is running. e.g. mysqld , httpd ...
What is the simplest way/command to do this?
...
How to make a phone call in android and come back to my activity when the call is done?
... ended. you will most likely need to trigger the listener actions to wait for a the call to start (wait until changed from PHONE_STATE_OFFHOOK to PHONE_STATE_IDLE again) and then write some code to bring your app back up on the IDLE state.
you may need to run the listener in a service to ensure ...
Update a column value, replacing part of a string
...parts of strings that begin with http://etc/etc/ or string_to_be_replaced. For example, in the given answer, http://domain1.com/images/this/is/a/test would be affected, but foobar/http://domain1.com/images/ would not.
– Kyle Challis
Jan 29 '16 at 19:03
...