大约有 42,000 项符合查询结果（耗时：0.0745秒） [XML]
HttpURLConnection timeout settings
...possible using Java? Here is the code I am using to check if the URL is valid
4 Answers
...
Most efficient way of making an if-elif-elif-else statement when the else is done the most?
...ion, which can be a significant performance overhead in a tight loop.
Consider these examples...
1.py
something = 'something'
for i in xrange(1000000):
if something == 'this':
the_thing = 1
elif something == 'that':
the_thing = 2
elif something == 'there':
the...
Map function in MATLAB?
...lse)
ans =
'A' 'B' 'C'
If 'UniformOutput' is true (or not provided), it will attempt to concatenate the results according to the dimensions of the cell array, so
cellfun(@upper, {'a', 'b', 'c'})
ans =
ABC
shar...
Android: What's the difference between Activity.runOnUiThread and View.post?
...
@Ashwin: "You said runOnUiThread() executes the Runnable immediately" -- no, I did not. Please re-read the comment. I said "runOnUiThread() checks the current thread and executes the Runnable immediately if we happen to be on the main applic...
Is the 'override' keyword just a check for a overridden virtual method?
As far as I understand, the introduction of override keyword in C++11 is nothing more than a check to make sure that the function being implemented is the override ing of a virtual function in the base class.
...
Should I compile release builds with debug info as “full” or “pdb-only”?
...n't true. You can build with pdb-only and still attach a debugger. I just did it just to be sure.
– Mark
Aug 28 '15 at 18:49
...
What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phon
What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phone.
5 Answers
...
I want to get the type of a variable at runtime
...[T: Manifest](t: T): Manifest[T] = manifest[T]
manOf: [T](t: T)(implicit evidence$1: Manifest[T])Manifest[T]
scala> val x = List(1,2,3)
x: List[Int] = List(1, 2, 3)
scala> println(manOf(x))
scala.collection.immutable.List[Int]
If you are in repl mode then
scala> :type List(1,2,3)
List...
HEAD and ORIG_HEAD in Git
....version-control.git/38379 (you were in it, back in February 2007), and I did not exactly understood the discussion you guys were having around the @{...} syntax.
– VonC
Jun 9 '09 at 3:56
...
Why doesn't the JVM cache JIT compiled code?
... Because it's probably not worth it. If neither SUN, IBM nor BEA considered it worthwhile for their performance JVMs, there's going to be a good reason for it. Maybe their RT optimisation is faster than Oracle's, which is why Oracle caches it.
– skaffman
...