大约有 7,551 项符合查询结果(耗时:0.0270秒) [XML]

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Best practice: AsyncTask during orientation change

...of time, it is highly recommended you use the various APIs provided by the java.util.concurrent pacakge such as Executor, ThreadPoolExecutor and FutureTask. Alternatively one could use a service, loader (using a CursorLoader or AsyncTaskLoader), or content provider to perform asynchronous operatio...
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Scala: List[Future] to Future[List] disregarding failed futures

...e(x)=>x}) failures //res2: Future[Seq[Throwable]] = Future(Success(List(java.lang.Exception))) share | improve this answer | follow | ...
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When is the init() function run?

...".chrt": "application/vnd.kde.kchart", ".class": "application/java", ".com": "text/plain", ".conf": "text/plain", ".cpio": "application/x-cpio", ".cpp": "text/x-c", ".cpt": "application/mac-compactpro", ".crl": "application/pkcs-...
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传感器组件 · App Inventor 2 中文网

...到 App Inventor 中的 ZXing 的某个版本(注:ZXing是一个开源Java类库用于解析多种格式的1D/2D条形码)。 事件 扫描结束(返回结果) 表示扫描仪已读取(文本)结果并提供结果。 方法 执行扫描() 使用相机开始扫描条形码...
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How is set() implemented?

...insertion and up to k comparisons for a successful lookup. Related: Is a Java hashmap really O(1)? share | improve this answer | follow | ...
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Is there a wikipedia API just for retrieve content summary?

...ssigned to questions, the top eight most discussed topics on the site are: Java, JavaScript, C#, PHP, Android, jQuery, Python and HTML." } } } } Documentation: API: query/prop=extracts Edit: Added &redirects=1 as recommended in comments. Edit: Added pageids example ...
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What are good alternatives to SQL (the language)? [closed]

...o the new language? Etc. It can be done, of course, just like C++, C#, and Java have largely overthrown COBOL and FORTRAN. But it takes a combination of technical superiority and good marketing to pull it off. Still, I get a chuckle out of people who rush forward to defend SQL anytime someone criti...
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Is using Random and OrderBy a good shuffle algorithm?

...if you prefer. static public class FisherYates { // Based on Java code from wikipedia: // http://en.wikipedia.org/wiki/Fisher-Yates_shuffle static public void Shuffle(int[] deck) { Random r = new Random(); for (int n = deck.L...
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getViewTypeCount and getItemViewType methods of ArrayAdapter

...ame layout, you don't need to worry about view types. In fact, BaseAdapter.java provides a default behavior for all adapters: public int getItemViewType(int position) { return 0; } public int getViewTypeCount() { return 1; } This indeed provides you with the same view type for every row....
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JavaScript inheritance: Object.create vs new

In JavaScript what is the difference between these two examples: 4 Answers 4 ...