大约有 40,700 项符合查询结果（耗时：0.0596秒） [XML]
How to name and retrieve a stash by name in git?
...ater on apply by doing git stash apply stashname . But it seems that in this case all that happens is that stashname will be used as the stash description.
...
Restful way for deleting a bunch of items
In wiki article for REST
it is indicated that if you use http://example.com/resources DELETE, that means you are deleting the entire collection.
...
What is AF_INET, and why do I need it?
I'm getting started on socket programming, and I keep seeing this AF_INET .
5 Answers
...
Why are functions in Ocaml/F# not recursive by default?
Why is it that functions in F# and Ocaml (and possibly other languages) are not by default recursive?
6 Answers
...
How to check if current thread is not main thread
I need to check if the thread running a certain piece of code is the main (UI) thread or not. How can I achieve this?
9 Ans...
How to make input type= file Should accept only pdf and xls
... it automatically should open.":
You can't achieve that. How a PDF or XLS is opened on the client machine is set by the user.
share
|
improve this answer
|
follow
...
Passing an integer by reference in Python
...that object (if possible). However, integers are immutable. One workaround is to pass the integer in a container which can be mutated:
def change(x):
x[0] = 3
x = [1]
change(x)
print x
This is ugly/clumsy at best, but you're not going to do any better in Python. The reason is because in Pyth...
Delete column from pandas DataFrame
...
As you've guessed, the right syntax is
del df['column_name']
It's difficult to make del df.column_name work simply as the result of syntactic limitations in Python. del df[name] gets translated to df.__delitem__(name) under the covers by Python.
...
What is NSLayoutConstraint “UIView-Encapsulated-Layout-Height” and how should I go about forcing it
... UIView-Encapsulated-Layout-Height constraint always takes precedence.
It is based on what you return in -tableView:heightForRowAtIndexPath:. Make sure to return the right value and your own constraint and the generated one should be the same. The lower priority for your own constraint is only nee...
SQLite UPSERT / UPDATE OR INSERT
...
This is a late answer. Starting from SQLIte 3.24.0, released on June 4, 2018, there is finally a support for UPSERT clause following PostgreSQL syntax.
INSERT INTO players (user_name, age)
VALUES('steven', 32)
ON CONFLICT...