大约有 15,640 项符合查询结果（耗时：0.0289秒） [XML]
Get type of all variables
...character
typeof(3 + 四) #R pukes on unicode error
typeof(iconv("a", "latin1", "UTF-8")) #UTF-8 characters character
typeof(5 == 5) #result of a comparison: logical
How to get the class of a variable you have in R
The R function class ...
How to drop a PostgreSQL database if there are active connections to it?
... db connection that is not a connection to 'TARGET_DB', otherwise you get 'ERROR'. A 'postgres' connection works well.
– Rob
Jul 26 '11 at 16:00
3
...
Passing argument to alias in bash [duplicate]
...echo "Hello $*"; unset -f __myalias; } __myalias' ~$ myalias -bash: syntax error near unexpected token `__myalias'
– JeeBee
Nov 14 '13 at 14:34
...
How can I change the version of npm using nvm?
..._modules/npm/bin/npm-cli.js
If you try to run npm, it will still give an error but if you do nvm use v0.4.12 again, it should now work.
share
|
improve this answer
|
follow...
How to stop flask application without using ctrl-c
....get('werkzeug.server.shutdown')
if func is None:
raise RuntimeError('Not running with the Werkzeug Server')
func()
@app.route('/shutdown', methods=['POST'])
def shutdown():
shutdown_server()
return 'Server shutting down...'
Here is another approach that is more contained:...
How to generate sample XML documents from their DTD or XSD?
...7.0, Intellij Idea based) with XSD with many imports. I've got nothing but error message.
– Envek
Nov 30 '14 at 9:44
3
...
How do you create a daemon in Python?
...le : try to start two times the same daemon with python-daemon : big ugly error. With Sander's code : a nice notice "Daemon already running."
– Basj
Jan 17 '16 at 20:50
...
What's the best practice to “git clone” into an existing folder?
...
I was getting the error "Git error: The following untracked working tree files would be overwritten by checkout", so I add this command: git clean -d -fx ""
– shakaran
Jun 21 '15 at 3:36
...
Is there a way to suppress warnings in Xcode?
...
With Objective-C, a number of serious errors only appear as warnings. Not only do I never disable warnings, I normally turn on "Treat warnings as errors" (-Werror).
Every type of warning in your code can be avoided by doing things correctly (normally by casting ...
What are inline namespaces for?
...ou try to link debug with release mode or vise-versa you will get a linker error as contrary to runtime error.
share
|
improve this answer
|
follow
|
...