大约有 40,000 项符合查询结果（耗时：0.0645秒） [XML]
How do I get a string format of the current date time, in python?
...
#python3
import datetime
print(
'1: test-{date:%Y-%m-%d_%H:%M:%S}.txt'.format( date=datetime.datetime.now() )
)
d = datetime.datetime.now()
print( "2a: {:%B %d, %Y}".format(d))
# see the f" to tell python this is a f string, no .format
print(f"2b: {d:%B %d, %Y}")
print(f"3...
How can I list ALL DNS records?
Is there any way I can list ALL DNS records for a domain?
8 Answers
8
...
Express res.sendfile throwing forbidden error
...ath.resolve('../../some/path/to/file.txt');
relative to file: path.resolve(__dirname+'../../some/path/to/file.txt');
From reading the link from @Joe's comment, it sounds like relative paths are a security risk if you accept user input for the path (e.g. sendfile('../.ssh/id_rsa') might be a hacker...
Test if a variable is set in bash when using “set -o nounset”
...
Nope, -, +, :+, and :- are all supported. The former detect whether the variable is set, and the latter detect whether it is set or empty. From man bash: "Omitting the colon results in a test only for a parameter that is unset."
...
Count the number of commits on a Git branch
...e branch
git rev-list --count HEAD ^<branch-name>
This will count all commits ever made that are not on the branch-name as well.
Examples
git checkout master
git checkout -b test
<We do 3 commits>
git rev-list --count HEAD ^master
Result: 3
If your branch comes of a branch called...
Add an element to an array in Swift
...red Jun 2 '14 at 20:33
Mick MacCallumMick MacCallum
122k4040 gold badges273273 silver badges274274 bronze badges
...
What is a non-capturing group in regular expressions?
... Group 4: "sectetuer"
...
So, if we apply the substitution string:
$1_$3$2_$4
... over it, we are trying to use the first group, add an underscore, use the third group, then the second group, add another underscore, and then the fourth group. The resulting string would be like the one below....
How to change the color of an svg element?
I want to use this technique http://css-tricks.com/svg-fallbacks/ and change the svg color but so far I haven't been able to do so. I put this in the css but my image is always black, no matter what. My code:
...
File to byte[] in Java
...
@matteo: any? See other answers, e.g. Files.readAllBytes(). Simple, no dependency.
– ymajoros
Apr 24 '14 at 21:13
|
...
How to convert string representation of list to a list?
... ast
>>> x = u'[ "A","B","C" , " D"]'
>>> x = ast.literal_eval(x)
>>> x
['A', 'B', 'C', ' D']
>>> x = [n.strip() for n in x]
>>> x
['A', 'B', 'C', 'D']
ast.literal_eval:
With ast.literal_eval, you can safely evaluate an expression node or a string c...