大约有 43,000 项符合查询结果（耗时：0.0556秒） [XML]
Convert boolean result into number/integer
I have a variable that stores false or true , but I need 0 or 1 instead, respectively. How can I do this?
17 Answers...
Activate a virtualenv via fabric as deploy user
I want to run my fabric script locally, which will in turn, log into my server, switch user to deploy, activate the projects .virtualenv, which will change dir to the project and issue a git pull.
...
Revert a range of commits in git
How can I revert a range of commits in git? From looking at the gitrevisions documentation, I cannot see how to specify the range I need. For example:
...
Save modifications in place with awk
I am learning awk and I would like to know if there is an option to write changes to file, similar to sed where I would use -i option to save modifications to a file.
...
Sending websocket ping/pong frame from browser
I keep reading about ping/pong messages in websockets to keep the connection alive, but I'm not sure what they are. Is it a distinct frame type? (I don't see any methods on a javascript WebSocket object in chrome related to ping-pong). Or is it just a design pattern (e.g. I literally send "ping" o...
How can I export the schema of a database in PostgreSQL?
My computer broke down but fortunately I backed up
the folder C:\Program Files\PostgreSQL.
8 Answers
...
Python dictionary: are keys() and values() always the same order?
It looks like the lists returned by keys() and values() methods of a dictionary are always a 1-to-1 mapping (assuming the dictionary is not altered between calling the 2 methods).
...
Repair all tables in one go
How to check all the tables in the database in one go?
10 Answers
10
...
How can I connect to a Tor hidden service using cURL in PHP?
I'm trying to connect to a Tor hidden service using the following PHP code:
4 Answers
...
How to show and update echo on same line
I have the following in Bash (In Linux)
6 Answers
6
...