大约有 40,000 项符合查询结果（耗时：0.0781秒） [XML]
What does asterisk * mean in Python? [duplicate]
...nd what the results are.
def f0(a)
def f1(*a)
def f2(**a)
def f3(*a, **b)
etc...
share
|
improve this answer
|
follow
|
...
“for” vs “each” in Ruby
...speaking) keywords don't create new scopes. if, unless, begin, for, while, etc. all work with the current scope. #each however accepts a block. Blocks always add their own scope on top of the current scope. Meaning that declaring a new variable in the block (thus a new scope) will not be accessible ...
What does “coalgebra” mean in the context of programming?
...coalgebras" several times in functional programming and PLT circles, especially when the discussion is about objects, comonads, lenses, and such. Googling this term gives pages that give mathematical description of these structures which is pretty much incomprehensible to me. Can anyone please expla...
Invalid postback or callback argument. Event validation is enabled using '
...
One more option: implement IPostBackEventHandler and call js __doPostBack('<%= UniqueId.ToString() %>',arg)
– gdbdable
May 22 '14 at 7:11
...
ValueError: numpy.dtype has the wrong size, try recompiling
...ade, but then got the above error due to some incompatibilities with numpy etc... when I did
import pandas
To fix, I just reinstalled the pandas-0.10.0.win-amd64-py2.7 binary and everything works. I didn't see this answer (suggests to use pip) which may have helped me (though not sure) Install p...
Check if a program exists from a Makefile
...r to /dev/null.
Then you may check the result using ifdef, ifndef, $(if) etc.
YOUR_PROGRAM_VERSION := $(shell your_program --version 2>/dev/null)
all:
ifdef YOUR_PROGRAM_VERSION
@echo "Found version $(YOUR_PROGRAM_VERSION)"
else
@echo Not found
endif
As a bonus, the output (such as ...
Shrink a YouTube video to responsive width
... it is worth adding that you should insert those inside some col-sm... etc. to avoid making the video full width.
– dawn
Apr 9 '17 at 7:14
1
...
javascript window.location in new tab
...
window.open('https://support.wwf.org.uk', '_blank');
The second parameter is what makes it open in a new window. Don't forget to read Jakob Nielsen's informative article :)
share
|
...
Can I add a custom attribute to an HTML tag?
...
#IMPLIED means it is an optional attribute, or you could use #REQUIRED, etc.
More information is in DTD - Attributes.
share
|
improve this answer
|
follow
...
Escape Character in SQL Server
...(1000)
SET @SQL = 'SELECT * FROM MyTable WHERE Field1 = @Field1'
EXECUTE sp_executesql @SQL, N'@Field1 VARCHAR(10)', 'AAA'
share
|
improve this answer
|
follow
...