大约有 45,000 项符合查询结果（耗时：0.0348秒） [XML]
Python: most idiomatic way to convert None to empty string?
... keeping the else, but thanks for the str(s) tip so multiple types can be handled. nice!
– Mark Harrison
Jul 1 '09 at 9:39
13
...
Open document with default OS application in Python, both in Windows and Mac OS
...eed to be able to open a document using its default application in Windows and Mac OS. Basically, I want to do the same thing that happens when you double-click on the document icon in Explorer or Finder. What is the best way to do this in Python?
...
Is .NET Remoting really deprecated?
...at is. I haven't seen any official word that Remoting is being deprecated, and it seems to me there are certainly scenarios where Remoting makes more sense than WCF. None of the Remoting-related objects or methods have been deprecated, even in version 4.0 of the framework. It is also my understandin...
Why aren't ◎ܫ◎ and ☺ valid JavaScript variable names?
...sers I tested), you can use some Unicode variable names. This made my day, and I was absolutely delighted that I could write fun Unicode-laden code like this:
...
When should I use C++ private inheritance?
...This is NOT a complete answer. Read other answers like here (conceptually) and here (both theoretic and practic) if you are interested in the question. This is just a fancy trick that can be achieved with private inheritance. While it is fancy it is not the answer to the question.
Besides the basic...
How can I parse a time string containing milliseconds in it with python?
... Thanks docs.python.org/library/datetime.html : New in version 2.6: time and datetime objects support a %f format code which expands to the number of microseconds in the object, zero-padded on the left to six places.
– ilkinulas
Mar 30 '09 at 18:01
...
What should I do if two libraries provide a function with the same name generating a conflict?
...
If you control one or both: edit one to change the name and recompile Or equivalently see Ben and unknown's answers which will work without access to the source code.
If you don't control either of them you can wrap one of them up. That is compile another (statically linked!) libr...
What should go into an .h file?
...ur code up into multiple files just what exactly should go into an .h file and what should go into a .cpp file?
12 Answers...
Why is there no Tree class in .NET?
... the choice of whether to use a tree is typically an implementation detail and is otherwise an unconventional way to access data. That is, you don't say, "binary-search-for element #37"; instead, you say, "get me element #37".
But have you taken a look at C5? It's super-handy and they have several ...
date format yyyy-MM-ddTHH:mm:ssZ
...
The accepted answer says to use format specifier "s" and append a Z on the end for UTC dates. That's all good and fine if you don't need the milliseconds, but if you want the milliseconds you have to use "o" like this answer shows. With "o", the milliseconds show up by defaul...