大约有 42,000 项符合查询结果（耗时：0.0610秒） [XML]
Is there a better way to do optional function parameters in JavaScript? [duplicate]
I've always handled optional parameters in JavaScript like this:
28 Answers
28
...
How to revert multiple git commits?
...
Expanding what I wrote in a comment
The general rule is that you should not rewrite (change) history that you have published, because somebody might have based their work on it. If you rewrite (change) history, you would make ...
Print array to a file
...
How can you ONLY save the contents of the array and not the entire array "[0] => blah"??
– user1899415
Aug 22 '13 at 5:38
14
...
How to move columns in a MySQL table?
...the structure view of a table.
Check to select the column you want to move and click the change action at the bottom of the column list.
You can then change all of the column properties and you'll find the 'move column' function at the far right of the screen.
Of course this is all just building th...
How to trim leading and trailing white spaces of a string?
Which is the effective way to trim the leading and trailing white spaces of string variable in Go?
7 Answers
...
What's the point of 'meta viewport user-scalable=no' in the Google Maps API
I'm using the Google Maps JavaScript API V3 and the official examples always have you include this meta tag:
4 Answers
...
Reading a binary file with python
...particularly difficult reading binary file with Python. Can you give me a hand?
I need to read this file, which in Fortran 90 is easily read by
...
Ruby: What is the easiest way to remove the first element from an array?
...
Note this mutates the array and returns nil on an empty array. See drop for an alternative, as mentioned in the other answer.
– Jay
Oct 15 '15 at 21:37
...
Convert string to a variable name
...ttp://www.r-bloggers.com/converting-a-string-to-a-variable-name-on-the-fly-and-vice-versa-in-r/
To convert a string to a variable:
x <- 42
eval(parse(text = "x"))
[1] 42
And the opposite:
x <- 42
deparse(substitute(x))
[1] "x"
...
What's a reliable way to make an iOS app crash?
...ered Nov 22 '12 at 10:36
Daij-DjanDaij-Djan
46.2k1515 gold badges9696 silver badges126126 bronze badges
...