大约有 47,000 项符合查询结果（耗时：0.0417秒） [XML]
Bash command to sum a column of numbers [duplicate]
I want a bash command that I can pipe into that will sum a column of numbers. I just want a quick one liner that will do something essentially like this:
...
python setup.py uninstall
...setup.py install use pip install .
You need to remove all files manually, and also undo any other stuff that installation did manually.
If you don't know the list of all files, you can reinstall it with the --record option, and take a look at the list this produces.
To record a list of installed ...
Is there a way to iterate over a dictionary?
...d a key in order to get a value . But how can I iterate over all keys and values in a NSDictionary , so that I know what keys there are, and what values there are? I know there is something called a for-in-loop in JavaScript . Is there something similar in Objective-C ?
...
How do I access the host machine from the guest machine? [closed]
...
On the XP machine, find your IP address by going to the command prompt and typing ipconfig. Try replacing the last number with 1 or 2. For example, if your IP address is 192.168.78.128, use http://192.168.78.1:3000.
...
How to resolve symbolic links in a shell script
...
According to the standards, pwd -P should return the path with symlinks resolved.
C function char *getcwd(char *buf, size_t size) from unistd.h should have the same behaviour.
getcwd
pwd
...
How do I split a multi-line string into multiple lines?
...
@lpapp, I totally agree. splitlines() is semantically (and functionally, since it uses universal newlines and omits a trailing empty line) better than split('\n'). Back then (2008) I was just a newbie Pythonista and grepping though my scripts now shows that I too am using splitli...
Submit jQuery UI dialog on
...n(e) {
if (e.keyCode == $.ui.keyCode.ENTER) {
//Close dialog and/or submit here...
}
});
This'll run no matter what element has the focus in your dialog, which may or may not be a good thing depending on what you want.
If you want to make this the default functionality, you can ...
`date` command on OS X doesn't have ISO 8601 `-I` option?
... want to print the current datetime in ISO 8601 format (preferably UTC), and it seems that this should be as simple as date -I :
...
Running single test from unittest.TestCase via command line
... can test the tests themselves with python2.7), I was looking at 2.6.8 doc and missed so much! :-)
– Alois Mahdal
Apr 12 '13 at 15:16
1
...
How do I view the type of a scala expression in IntelliJ
...
Select expression and type Alt + =.
If you want to change the shortcut go to Preferences > Keymap and enter "Type Info" in the search field.
In older versions, it's Shift + Ctrl + Alt + T.
...