大约有 47,000 项符合查询结果（耗时：0.0857秒） [XML]
What is the difference between `git fetch origin` and `git remote update origin`?
... |
edited Apr 22 '10 at 5:33
answered Apr 22 '10 at 5:18
...
How do I negate a test with regular expressions in a bash script?
Using GNU bash (version 4.0.35(1)-release (x86_64-suse-linux-gnu), I would like to negate a test with Regular Expressions. For example, I would like to conditionally add a path to the PATH variable, if the path is not already there, as in:
...
How can I strip the whitespace from Pandas DataFrame headers?
...to the rename method. The str.strip() method should do what you want.
In [5]: df
Out[5]:
Year Month Value
0 1 2 3
[1 rows x 3 columns]
In [6]: df.rename(columns=lambda x: x.strip())
Out[6]:
Year Month Value
0 1 2 3
[1 rows x 3 columns]
Note: that this ...
PHP Function Comments
...
95
That's phpDoc syntax.
Read more here: phpDocumentor
...
What is the status of JSR 305?
I have seen the question JSR305 vs. JSR308 (Java Type Anotations) - Which is going to be the standard? and I understand the difference between JSR 308 and JSR 305 .
...
How to get the last element of a slice?
...
Benjamin W.
29.9k1515 gold badges6767 silver badges7373 bronze badges
answered Mar 20 '14 at 14:24
Toni CárdenasToni C...
Is it better to use std::memcpy() or std::copy() in terms to performance?
...ner was std::copy.
I wrote a C++ SHA-2 implementation. In my test, I hash 5 strings using all four SHA-2 versions (224, 256, 384, 512), and I loop 300 times. I measure times using Boost.timer. That 300 loop counter is enough to completely stabilize my results. I ran the test 5 times each, alternati...