大约有 5,000 项符合查询结果（耗时：0.0205秒） [XML]
What is the purpose of the single underscore “_” variable in Python?
...1, 2, 3)
>>> x
1
>>> y
3
Ignore the index
for _ in range(10):
do_something()
share
|
improve this answer
|
follow
|
...
Printing the last column of a line in a file
... This isn't quite right, as the column may not appear in the window that raw tail gives you. Unless you know it is going to appear with a certain frequency, it would be safer to awk '/A1/ {print $NF}' file | tail -n1.
– Mitchell Tracy
Feb 8 '19 at 16:28
...
Python: using a recursive algorithm as a generator
...en(string) == 1:
yield prefix + string
else:
for i in xrange(len(string)):
for perm in getPermutations(string[:i] + string[i+1:], prefix+string[i]):
yield perm
Or without an accumulator:
def getPermutations(string):
if len(string) == 1:
...
inserting characters at the start and end of a string
...d position:
>>> s = "0123456789"
>>> s[2]
'2'
Calling range with start and end position:
>>> s[4:6]
'45'
Calling part of a string before that position:
>>> s[:6]
'012345'
Calling part of a string after that position:
>>> s[4:]
'456789'
Inserti...
How to copy commits from one branch to another?
...cal order that the commits appear in Branch A.
cherry-pick does support a range of commits, but if you have merge commits in that range, it gets really complicated
git checkout B
git cherry-pick SHA-COMMIT-X
git cherry-pick SHA-COMMIT-Y
git cherry-pick SHA-COMMIT-Z
Example of workflow :
We ca...
Why no generics in Go?
...be used thusly:
func Sum(type T Addable)(l []T) (total T) {
for _, e := range l {
total += e
}
return total
}
This is a proposal at this stage.
Your filter(predicate, list) function could be implemented with a type parameter like this:
func Filter(type T)(f func(T) bool, l []T) (res...
Syntax highlighting code with Javascript [closed]
...n copy and paste code by selecting it normally instead of having to open a raw view like many others. It can be further customised by using the HTML5 data attribute data-sh or via specifying options at initialisation. A great stable choice which is updated regularly.
...
Check element CSS display with JavaScript
...
Yeah but I did this because everyone else gave the raw javascript answer, so if he was using jquery but did not specify then there would be some use in the post
– Kai Qing
Feb 1 '11 at 18:11
...
Set selected radio from radio group with a value
...eckbox; you have to pass an array of values to the val method instead of a raw value
Note: If you simply pass the value by itself (without being inside an array), that will result in all values of "mygroup" being set to the value.
$("input[name=mygroup]").val([5]);
Here is the jQuery doc that ex...
Mix Razor and Javascript code
...rop + " "+ data[prop]);
}
In case of problem you can also try
@Html.Raw(Json.Encode(Model));
share
|
improve this answer
|
follow
|
...