大约有 48,000 项符合查询结果(耗时:0.0704秒) [XML]

https://stackoverflow.com/ques... 

Download the Android SDK components for offline install

Is it possible to download the Android SDK components for offline install without using the SDK Manager? The problem is I am behind a firewall which I have no control over and both sites download URLs seem to be blocked (throws a connection refused exception) ...
https://stackoverflow.com/ques... 

Relative imports in Python 3

... unfortunately, this module needs to be inside the package, and it also needs to be runnable as a script, sometimes. Any idea how I could achieve that? It's quite common to have a layout like this... main.py mypackage/ __init__.py mymodule.py myothermodule.py ...w...
https://stackoverflow.com/ques... 

Extracting the last n characters from a ruby string

...ion of Ruby, you could use chars instead of split. – Andrew Grimm Oct 23 '11 at 21:15 1 I used "1...
https://stackoverflow.com/ques... 

How does Hadoop process records split across block boundaries?

...nteresting question, I spent some time looking at the code for the details and here are my thoughts. The splits are handled by the client by InputFormat.getSplits, so a look at FileInputFormat gives the following info: For each input file, get the file length, the block size and calculate the spli...
https://stackoverflow.com/ques... 

socket.error: [Errno 48] Address already in use

...module before, it is most likely that process still bound to the port. Try and locate the other process first: $ ps -fA | grep python 501 81651 12648 0 9:53PM ttys000 0:00.16 python -m SimpleHTTPServer The command arguments are included, so you can spot the one running SimpleHTTPServer if...
https://stackoverflow.com/ques... 

How do I make an asynchronous GET request in PHP?

...ww.example.com/'); echo $output; Edit: One way to fire off a GET request and return immediately. Quoted from http://petewarden.typepad.com/searchbrowser/2008/06/how-to-post-an.html function curl_post_async($url, $params) { foreach ($params as $key => &$val) { if (is_array($val))...
https://stackoverflow.com/ques... 

Java GUI frameworks. What to choose? Swing, SWT, AWT, SwingX, JGoodies, JavaFX, Apache Pivot? [close

... Decision tree: Frameworks like Qt and SWT need native DLLs. So you have to ask yourself: Are all necessary platforms supported? Can you package the native DLLs with your app? See here, how to do this for SWT. If you have a choice here, you should prefer Qt ...
https://stackoverflow.com/ques... 

What's the best strategy for unit-testing database-driven applications?

... the backend. Typically, there's an ORM layer separate from the business and presentation logic. This makes unit-testing the business logic fairly straightforward; things can be implemented in discrete modules and any data needed for the test can be faked through object mocking. ...
https://stackoverflow.com/ques... 

HashSet vs. List performance

...be better off using a List<T>. I did a test for this on my machine, and, well, it has to be very very small to get an advantage from List<T>. For a list of short strings, the advantage went away after size 5, for objects after size 20. 1 item LIST strs time: 617ms 1 item HASHSET strs t...
https://stackoverflow.com/ques... 

How to use RSpec's should_raise with any kind of exception?

...e_method }.should raise_error See the documentation (for RSpec 1 syntax) and RSpec 2 documentation for more. share | improve this answer | follow | ...