大约有 40,000 项符合查询结果(耗时:0.0502秒) [XML]

https://stackoverflow.com/ques... 

How do I configure Notepad++ to use spaces instead of tabs?

Notepad++ keeps inserting tabs which later messes up my code. This doesn't just happen when I hit the tab key, but other times as well. I want it to use 4 spaces instead of tabs. ...
https://stackoverflow.com/ques... 

Calculate difference between two datetimes in MySQL

...L in, datetime -type filed. When users logs in, I want to get the difference between the last login time and the current time (which I get using NOW() ). ...
https://stackoverflow.com/ques... 

Python memory usage of numpy arrays

... into memory issues, so I've been using sys.getsizeof() to try and keep track of the usage, but it's behaviour with numpy arrays is bizarre. Here's an example involving a map of albedos that I'm having to open: ...
https://stackoverflow.com/ques... 

How does “304 Not Modified” work exactly?

... Active Oldest Votes ...
https://stackoverflow.com/ques... 

How do I access this object property with an illegal name?

I'm using a PHP class someone wrote to interface with the BaseCamp API. 2 Answers 2 ...
https://stackoverflow.com/ques... 

Adding a user to a group in django

... Active Oldest Votes ...
https://stackoverflow.com/ques... 

What is the maximum characters for the NVARCHAR(MAX)?

I have declared a column of type NVARCHAR(MAX) in SQL Server 2008, what would be its exact maximum characters having the MAX as the length? ...
https://stackoverflow.com/ques... 

check if directory exists and delete in one command unix

Is it possible to check if a directory exists and delete if it does,in Unix using a single command? I have situation where I use ANT 'sshexec' task where I can run only a single command in the remote machine. And I need to check if directory exists and delete it... ...
https://stackoverflow.com/ques... 

What's the dSYM and how to use it? (iOS SDK)

Sometimes the compiler produces .dSYM files. I guess this is a debugging related file, but I don't know what it is, and how to use it. ...
https://stackoverflow.com/ques... 

target input by type and name (selector)

I need to change some checkbox inputs to hidden inputs for some but not all inputs on a page. 3 Answers ...