大约有 47,000 项符合查询结果(耗时:0.0551秒) [XML]

https://stackoverflow.com/ques... 

Android XML Percent Symbol

... Packaging Tool (aapt) has become very strict in its latest release and is now used for all Android versions. The aapt-error you're getting is generated because it no longer allows non-positional format specifiers. Here are a few ideas how you can include the %-symbol in your resource strings. If ...
https://stackoverflow.com/ques... 

Remove ActiveRecord in Rails 3

Now that Rails 3 beta is out, I thought I'd have a look at rewriting an app I have just started work on in Rails 3 beta, both to get a feel for it and get a bit of a head-start. The app uses MongoDB and MongoMapper for all of its models and therefore has no need for ActiveRecord. In the previous ver...
https://stackoverflow.com/ques... 

Python pip install fails: invalid command egg_info

... As distribute has been merged back into setuptools, it is now recommended to install/upgrade setuptools instead: [sudo] pip install --upgrade setuptools share | improve this answe...
https://stackoverflow.com/ques... 

Why does CSS not support negative padding?

...egative padding would be useful and awesome. As all of us CSS developers know, vertically aligning a dynamically sizing div within another is a hassle, and for the most part, viewed as being impossible only using CSS. The incorporation of negative padding could change this. Please review the follo...
https://stackoverflow.com/ques... 

Autocompletion in Vim

...ic code completion as you type. 2015 Edit: I personally use YouCompleteMe now. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Is there a destructor for Java?

...finalize only for sanity checking (i.e. if close has not been called do it now and log an error). There was a question that spawned in-depth discussion of finalize recently, so that should provide more depth if required... ...
https://stackoverflow.com/ques... 

How can you represent inheritance in a database?

...problems identified for the single table method: Mandatory attributes can now be enforced with NOT NULL. Adding a new subtype requires adding a new table instead of adding columns to an existing one. There is also no risk that an inappropriate attribute is set for a particular subtype, such as th...
https://stackoverflow.com/ques... 

Remove spaces from std::string in C++

...ithm remove_if and isspace: remove_if(str.begin(), str.end(), isspace); Now the algorithm itself can't change the container(only modify the values), so it actually shuffles the values around and returns a pointer to where the end now should be. So we have to call string::erase to actually modify ...
https://stackoverflow.com/ques... 

ALTER TABLE without locking the table?

...'ve been using MySQL for so long that I keep forgetting they have triggers now. I've used this technique and now I have a functional hot-alter script. With a progress bar. And it works with MyISAM. Life is good. – Daniel Jan 21 '09 at 12:10 ...
https://stackoverflow.com/ques... 

Can someone explain this 'double negative' trick? [duplicate]

...e whether it's confusing or not. I personally find it highly intuitive to know what's "falsey" and what's "truthy" when cast to a Boolean. – Chris Jul 30 '13 at 3:15 ...