大约有 30,000 项符合查询结果（耗时：0.0272秒） [XML]
Picking a random element from a set
...ex; i++) {
iter.next();
}
return iter.next();
The for-each construct calls Iterator.hasNext() on every loop, but since index < set.size(), that check is unnecessary overhead. I saw a 10-20% boost in speed, but YMMV. (Also, this compiles without having to add an extra return statement.)
Not...
How to get the result of OnPostExecute() to main activity because AsyncTask is a separate class?
...ask<Void, Void, String> {
// you may separate this or combined to caller class.
public interface AsyncResponse {
void processFinish(String output);
}
public AsyncResponse delegate = null;
public MyAsyncTask(AsyncResponse delegate){
this.delegate = delegate;
}...
How to show method parameter tooltip in C#?
...
<del>What's this called? I would like to remap it.</del> It seems to be Edit.ParameterInfo
– user2684182
Jan 22 '15 at 23:32
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Comparison of full text search engine - Lucene, Sphinx, Postgresql, MySQL?
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Sphinx 2.3.2 Beta has now a feature called 'CALL SUGGEST' which can be used to implement 'did you mean ?' sphinxsearch.com/docs/devel.html#sphinxql-call-suggest
– Vinod K
Aug 2 '17 at 7:42
...
How does LMAX's disruptor pattern work?
...s of maintaining the consumed sequence numbers and provide a set of simple callbacks when important events occur. However, there are a couple of subtle differences.
The Disruptor uses a 1 thread - 1 consumer model, where Actors use an N:M model i.e. you can have as many actors as you like and they...
#define macro for debug printing in C?
..... } while (0) idiom ensures that the code acts like a statement (function call). The unconditional use of the code ensures that the compiler always checks that your debug code is valid — but the optimizer will remove the code when DEBUG is 0.
If you want to work with #ifdef DEBUG, then change t...
How can I create a table with borders in Android?
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How would I set the background of the view programmatically? view.setBackground(?)
– rasen58
Dec 27 '12 at 21:29
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Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)
...etPrintfID< unsigned long long > //or whatever the 64bit unsigned is called..
{
static const char* id;
};
const char* GetPrintfID< unsigned long long >::id = "%lu";
//should be repeated for any type size_t can ever have
printf( GetPrintfID< size_t >::id, sizeof( x ) );
...
Difference between .on('click') vs .click()
... .on over .click because the former can use less memory and work for dynamically added elements.
Consider the following html:
<html>
<button id="add">Add new</button>
<div id="container">
<button class="alert">alert!</button>
</div>
<...
belongs_to through associations
.....
def question
answer.question
end
end
this way the you can now call question on Choice
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