大约有 3,285 项符合查询结果(耗时:0.0309秒) [XML]

https://stackoverflow.com/ques... 

Which parallel sorting algorithm has the best average case performance?

...nt sorting algorithms for manycore GPUs Deterministic Sample Sort For GPUs Fast in-place sorting with CUDA based on bitonic sort Fast parallel GPU-sorting using a hybrid algorithm Fast Parallel Sorting Algorithms on GPUs Fast sort on CPUs and GPUs: a case for bandwidth oblivious SIMD sort GPU sample...
https://stackoverflow.com/ques... 

Why is React's concept of Virtual DOM said to be more performant than dirty model checking?

...lendar.perfplanet.com/2013/diff/. From what I understand, what makes React fast is: Batched DOM read/write operations. Efficient update of sub-tree only. Compared to dirty-check, the key differences IMO are: Model dirty-checking: React component is explicitly set as dirty whenever setState is ...
https://stackoverflow.com/ques... 

How to get a number of random elements from an array?

... Try this non-destructive (and fast) function: function getRandom(arr, n) { var result = new Array(n), len = arr.length, taken = new Array(len); if (n > len) throw new RangeError("getRandom: more elements taken than avai...
https://stackoverflow.com/ques... 

How much overhead does SSL impose?

I know there's no single hard-and-fast answer, but is there a generic order-of-magnitude estimate approximation for the encryption overhead of SSL versus unencrypted socket communication? I'm talking only about the comm processing and wire time, not counting application-level processing. ...
https://stackoverflow.com/ques... 

Delete directories recursively in Java

...eep deleting files until you run out of options. It is adequate for a fail-fast version, but fail-fast is not always what you want (e.g. if you're cleaning up temp files, you want delete-now, not fail-fast.) – Trejkaz May 3 '13 at 0:41 ...
https://stackoverflow.com/ques... 

SqlDataAdapter vs SqlDataReader

... at a time rather than an entire result set (this can be HUGE) Is about as fast as you can get for that one iteration Allows you start processing results sooner (once the first record is available). For some query types this can also be a very big deal. SqlDataAdapter/DataSet Lets you close the co...
https://stackoverflow.com/ques... 

'printf' vs. 'cout' in C++

...way, no matter if you use printf or iostream. I think that printf could be faster from a quick look into assembly (compiled with clang using the -O3 compiler option). Assuming my error example, printf example does way fewer calls than the cout example. This is int main with printf: main: ...
https://stackoverflow.com/ques... 

java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare();

...rings.xml <string name="idleness_toast">"You are getting late do it fast"</string> In YourWorkerThread.java Toast.makeText(getApplicationContext(), getString(R.string.idleness_toast), Toast.LENGTH_LONG).show(); Don't use AlertDialog, make a choice. AlertDialog and Toast are tw...
https://stackoverflow.com/ques... 

C++ performance vs. Java/C#

... Generally, C# and Java can be just as fast or faster because the JIT compiler -- a compiler that compiles your IL the first time it's executed -- can make optimizations that a C++ compiled program cannot because it can query the machine. It can determine if the m...
https://stackoverflow.com/ques... 

Best Practice for Exception Handling in a Windows Forms Application?

...in place. This can be as simple as wrapping Main() in a try/catch, failing fast with a graceful error message to the user. This is the "last resort" exception handler. Preemptive checks are always correct if feasible, but not always perfect. For example, between the code where you check for a file'...