大约有 44,000 项符合查询结果(耗时:0.0520秒) [XML]

https://stackoverflow.com/ques... 

source of historical stock data [closed]

... Let me add my 2¢, it's my job to get good and clean data for a hedge-fund, I've seen quite a lot of data feeds and historical data providers. This is mainly about US stock data. To start with, if you have some money don't bother with downloading data from Yahoo, get...
https://stackoverflow.com/ques... 

Alternate FizzBuzz Questions [closed]

...n a small list of relatively simple programming problems used to weed out candidates, just like FizzBuzz. Here are some of the problems I've seen, in order of increasing difficulty: Reverse a string Reverse a sentence ("bob likes dogs" -> "dogs likes bob") Find the minimum value in a list Find ...
https://stackoverflow.com/ques... 

How do I REALLY reset the Visual Studio window layout?

I had a plugin installed in Visual Studio 2008, and it created some extra dockable windows. I have uninstalled it, and I can't get rid of the windows it created - I close them, but they always come back. They're just empty windows now, since the plugin is no longer present, but nothing I've tried ...
https://stackoverflow.com/ques... 

.gitignore for PhoneGap/Cordova 3.0 projects - what should I commit?

... The answer depends on wich platforms you're developing the phongap app, and if you're following the standard directory structure. If your project directory structure is standard, then you can start from this gitignore and modify it for your needs. On a rule of thumb you've to exclude all genera...
https://stackoverflow.com/ques... 

Difference between string and text in rails?

I'm making a new web app using Rails, and was wondering, what's the difference between string and text ? And when should each be used? ...
https://stackoverflow.com/ques... 

Should I declare Jackson's ObjectMapper as a static field?

... Yes, that is safe and recommended. The only caveat from the page you referred is that you can't be modifying configuration of the mapper once it is shared; but you are not changing configuration so that is fine. If you did need to change conf...
https://stackoverflow.com/ques... 

What is the difference between Integer and int in Java?

...represent. int.parseInt("1") doesn't make sense because int is not a class and therefore doesn't have any methods. Integer is a class, no different from any other in the Java language. Variables of type Integer store references to Integer objects, just as with any other reference (object) type. Int...
https://stackoverflow.com/ques... 

Difference between & and && in Java? [duplicate]

I was just wondering what the difference between & and && is? A few days I wrote a condition for an if statement the looked something like: ...
https://stackoverflow.com/ques... 

Keep file in a Git repo, but don't track changes

...t solution to do this. First change the file you do not want to be tracked and use the following command: git update-index --assume-unchanged FILE_NAME and if you want to track the changes again use this command: git update-index --no-assume-unchanged FILE_NAME git-update-index documentation...
https://stackoverflow.com/ques... 

Positioning element at center of screen

...creen irrespective of screen size. In other words, the space left on 'top' and 'bottom' should be equal and space left on 'right' and 'left' sides should be equal. I would like to accomplish this with only CSS. ...