大约有 48,000 项符合查询结果（耗时：0.0710秒） [XML]
Return two and more values from a method
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160
def sumdiff(x, y)
return x+y, x-y
end
#=> nil
sumdiff(3, 4)
#=> [7, -1]
a = sumdiff(...
CPU Privilege Rings: Why rings 1 and 2 aren't used?
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114
As a hobbyist operating system writer, I found that because paging (a major part of the modern...
How to print to console in pytest?
...n that particular test.
For example,
def test_good():
for i in range(1000):
print(i)
def test_bad():
print('this should fail!')
assert False
Results in the following output:
>>> py.test tmp.py
============================= test session starts ======================...
Regex to match a digit two or four times
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145
There's no specific syntax for that, but there are lots of ways to do it:
(?:\d{4}|\d{2}) ...
What does Bump Version stand for?
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271
It means to increment the version number to a new, unique value.
...
Creating range in JavaScript - strange syntax
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+1000
Understanding this "hack" requires understanding several things:
Why we don't just do Array(5).map(...)
How Function.prototype.ap...
How to update SQLAlchemy row entry?
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137
user.no_of_logins += 1
session.commit()
...
Maven check for updated dependencies in repository
...t; 2.0.9
[INFO] org.codehaus.plexus:plexus-utils ....................... 1.1 -> 1.5.6
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESSFUL
[INFO] ------------------------------------------------------------------------
[INFO] Total time:...
Bare asterisk in function arguments?
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|
edited May 23 '17 at 11:55
Community♦
111 silver badge
answered Jan 13 '13 at 8:50
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Checking for the correct number of arguments
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218
#!/bin/sh
if [ "$#" -ne 1 ] || ! [ -d "$1" ]; then
echo "Usage: $0 DIRECTORY" >&2
ex...