大约有 37,000 项符合查询结果（耗时：0.0274秒） [XML]
Can existing virtualenv be upgraded gracefully?
...wanted to keep it in 2.5 unless I absolutely needed to do 2.6. That need arose, so I was curious if you could upgrade an isolated environment to see the effects on your code, without having to rebuild and copy/paste directories to the new env.
– Matt Norris
Feb...
Preserve colouring after piping grep to grep
...would be
grep --color=always WORD * | grep -v AVOID
This is pretty verbose, alternatively you can just add the line
alias cgrep="grep --color=always"
to your .bashrc for example and use cgrep as the colored grep. When redefining grep you might run into trouble with scripts which rely on speci...
Force HTML5 youtube video
...amp;html5=1 to the end of a non-embedded video :/
– Moshe Revah
May 26 '12 at 18:31
1
...
Message Queue vs Message Bus — what are the differences?
... as you describe.
The BUS vs. QUEUE is indeed somewhat a legacy concept, most recently stemming from systems like IBM MQ and Tibco Rendezvous. MQ was originally a 1:1 system, indeed a queue to decouple various systems.
Tibco by contrast was (sold as a) messaging backbone, where you could have mul...
How to start nginx via different port(other than 80)
...ce nginx start
You may now access your application on port 81 (for localhost, http://localhost:81).
share
|
improve this answer
|
follow
|
...
Can a shell script set environment variables of the calling shell? [duplicate]
...r shell process terminates any changes you've made to its environment are lost. Sourcing a script file is the most commonly used method for configuring a shell environment, you may just want to bite the bullet and maintain one for each of the two flavors of shell.
...
NSNotificationCenter addObserver in Swift
...
Swift 4.0 & Xcode 9.0+:
Send(Post) Notification:
NotificationCenter.default.post(name: Notification.Name("NotificationIdentifier"), object: nil)
OR
NotificationCenter.default.post(name: Notification.Name("NotificationIdentifier"), object: nil, userInf...
Can I install Python 3.x and 2.x on the same Windows computer?
I'm running Windows and the shell/OS automatically runs Python based on the registry settings when you run a program on the command line. Will this break if I install a 2.x and 3.x version of Python on the same machine?
...
What does flushing the buffer mean?
...u write one byte at a time, then each write of a byte is going to be very costly. So a common way to improve performance is to store the data that you are writing in a temporary buffer. Only when there is a lot of data is the buffer written to the file. By postponing the writes, and writing a large ...
How can I get the current language in Django?
...
trying to get the language in e.g. models would not be possible if there is no request yet. I think the django.utils.translation.get_language() is always a better solution.
– Hussam
Sep 15 '15 at 11:38
...