大约有 41,000 项符合查询结果（耗时：0.0887秒） [XML]
Using try vs if in python
Is there a rationale to decide which one of try or if constructs to use, when testing variable to have a value?
9 Ans...
Remove/hide a preference from the screen
I have an activity which extends PreferenceActivity.
I'm loading preferences from the xml file.
But in some cases i need completely hide one of the preferences from the screen based on my app state. There is a setEnabled method, but it's not exactly what i want. I want to remove that preference from...
What is the difference between Flex/Lex and Yacc/Bison?
What is the difference between Flex & Lex and Yacc & Bison. I searched the Internet wildly and I didn't find any solid answer.
...
Comprehensive beginner's virtualenv tutorial? [closed]
I've been hearing the buzz about virtualenv lately, and I'm interested. But all I've heard is a smattering of praise, and don't have a clear understanding of what it is or how to use it.
...
Pandas: Looking up the list of sheets in an excel file
The new version of Pandas uses the following interface to load Excel files:
6 Answers
...
HTML img tag: title attribute vs. alt attribute?
I was browsing Amazon and I noticed that when searching " 1TB " if you hover the mouse cursor over the stars rating image, you only see the score if using IE. If you are using another browser then the score won't show.
...
Sublime Text 2 keyboard shortcut to open file in specified browser (e.g. Chrome)
I do web development and am trying out Sublime Text 2. Is there a keyboard shortcut to open the current file in specified browser (e.g. Chrome)?
...
Fastest Way to Serve a File Using PHP
I'm trying to put together a function that receives a file path, identifies what it is, sets the appropriate headers, and serves it just like Apache would.
...
Table fixed header and scrollable body
I am trying to make a table with fixed header and a scrollable content using the bootstrap 3 table.
Unfortunately the solutions I have found does not work with bootstrap or mess up the style.
...
How do I download a package from apt-get without installing it? [closed]
I have a computer without a NIC , and I want to install some programs in it via USB memory, but how can I download a program from apt-get without installing it?
...