大约有 45,000 项符合查询结果(耗时:0.0610秒) [XML]
How to split a column into two columns?
I have a data frame with one column and I'd like to split it into two columns, with one column header as ' fips' and the other 'row'
...
Decode HTML entities in Python string?
...e('£682m'))
FYI html.parser.HTMLParser.unescape is deprecated, and was supposed to be removed in 3.5, although it was left in by mistake. It will be removed from the language soon.
Python 2.6-3.3
You can use HTMLParser.unescape() from the standard library:
For Python 2.6-2.7 it's i...
Optimizing away a “while(1);” in C++0x
...oops?, although this is WG14 document the rationale applies to C++ as well and the document refers to both WG14 and WG21:
As N1509 correctly points out, the current draft essentially gives
undefined behavior to infinite loops in 6.8.5p6. A major issue for
doing so is that it allows code to m...
Process.start: how to get the output?
I would like to run an external command line program from my Mono/.NET app.
For example, I would like to run mencoder . Is it possible:
...
Remove characters from C# string
...must at some point iterate through the string to perform their operations, and they can be much slower with the overheads from the regex itself. They really excel when it comes to extremely complex manipulation, where dozens of lines of code and multiple loops would be needed. Testing the compiled...
Is it possible to use 'else' in a list comprehension? [duplicate]
...
Note that this only works in Python 2.5 and later.
– Kevin Horn
Jun 1 '10 at 22:20
7
...
What is the difference between DSA and RSA?
It appears they are both encryption algorithms that require public and private keys. Why would I pick one versus the other to provide encryption in my client server application?
...
Is it possible to specify a different ssh port when using rsync?
I have been attempting the following command:
8 Answers
8
...
Extract a number from a string (JavaScript)
I have a string in JavaScript like #box2 and I just want the 2 from it.
21 Answers
...
To underscore or to not to underscore, that is the question
...nguages? For example since C# is case-sensitive you can call a field "foo" and the public property "Foo" and it works fine.
...
