大约有 20,000 项符合查询结果（耗时：0.0223秒） [XML]
Why dict.get(key) instead of dict[key]?
...me across the dict method get which, given a key in the dictionary, returns the associated value.
10 Answers
...
How do you get an iPhone's device name
...
Active
Oldest
Votes
...
How to find common elements from multiple vectors?
Can anyone tell me how to find the common elements from multiple vectors?
3 Answers
3
...
open a url on click of ok button in android
I have to open a URL on Click of OK Button in a view. Can someone tell how to do this?
6 Answers
...
How can I print each command before executing? [duplicate]
...
Active
Oldest
Votes
...
Get the value of a dropdown in jQuery
I have a drop down that has an 'ID, Name' Pair.
11 Answers
11
...
git how to disable push [duplicate]
I am using git and I am doing my development work, which I don't want to push, even by mistake. Is there a method to disable push in certain local repository. One method is to rename the branch, another is to undo push if one does it by mistake, but I hope there should be a more direct method.
...
Delete a dictionary item if the key exists [duplicate]
Is there any other way to delete an item in a dictionary only if the given key exists, other than:
3 Answers
...
print memory address of Python variable [duplicate]
How do I print the memory address of a variable in Python 2.7?
I know id() returns the 'id' of a variable or object, but this doesn't return the expected 0x3357e182 style I was expecting to see for a memory address.
I want to do something like print &x , where x is a C++ int variable for exam...
Docker, mount volumes as readonly
... and I want to mount a dynamic folder that changes a lot (so I would not have to make a Docker image for each execution, which would be too costly), but I want that folder to be read-only. Changing the folder owner to someone else works. However, chown requires root access, which I would prefer ...