大约有 32,000 项符合查询结果（耗时：0.0506秒） [XML]
Swift: declare an empty dictionary
...
Note: if you are going to change the contents of the dictionary over time then declare it as a var (variable). You can declare an empty dictionary as a let (constant) but it is pointless if you have the intention of changing its contents over time, since constant can't be changed after it has been ...
Can't pickle when using multiprocessing Pool.map()
...
First pip install setuptools, then pip install git+https://github.com/uqfoundation/pathos.git@master. This will get the appropriate dependencies. A new release is nearly ready… now almost everything in pathos also runs on windows, and is 3.x compatibl...
Perforce for Git users? [closed]
...t. If you are accustomed to the Git/SVN/CVS workflow of changing files and then telling the version control system to look for what you've done, it can be an extremely painful transition.
The good news is that if you so choose you can work with a Git style workflow in Perforce. In Perforce you can ...
How to delete a workspace in Perforce (using p4v)?
...ab uncheck the box Locked: only the owner can edit workspace settings > then click OK
Now back on the Workspaces tab of Perforce right-click the workspace to be deleted and choose Delete Workspace 'My_workspace'
P4V should remove the item from the drop-down list when clicking on it.
There is a...
Windows can't find the file on subprocess.call()
...
If you are using powershell, then in it will be subprocess.call(['powershell','-command','dir']). Powershell supports a large portion of POSIX commands
share
|
...
Java RegEx meta character (.) and ordinary dot?
...
Just use "\\.\\*$" then. No need to match for the beginning of the string if it doesnt matter to you.
– Ophidian
Feb 12 '19 at 8:08
...
How to uninstall Jenkins?
... referring to scripts like the rc init scripts. If you haven't set up any, then just removing jenkins is enough.
– carlspring
Jul 23 '12 at 11:34
...
How to solve PHP error 'Notice: Array to string conversion in…'
...end a PHP array into a function that expects a string like: echo or print, then the PHP interpreter will convert your array to the literal string Array, throw this Notice and keep going. For example:
php> print(array(1,2,3))
PHP Notice: Array to string conversion in
/usr/local/lib/python2.7/...
How to decompile an APK or DEX file on Android platform? [closed]
...windows platform. can I import these jar files into my android project and then run in android platform
– user3151261
Jan 10 '14 at 2:39
...
Why is there “data” and “newtype” in Haskell? [duplicate]
...duced by data is lazy. So if you have
data D = D Int
newtype N = N Int
Then N undefined is equivalent to undefined and causes an error when evaluated. But D undefined is not equivalent to undefined, and it can be evaluated as long as you don't try to peek inside.
Couldn't the compiler handl...