大约有 30,000 项符合查询结果（耗时：0.0426秒） [XML]
Remove all subviews?
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@BenoitJadinon - won't compile - you appear to mean abusing All to perform ForEach, so someUIView.Subviews.All( v => { v.RemoveFromSuperview(); return true; } );. IMHO cleaner to say what you mean: someUIView.Subviews.ToList().ForEach( v => v.RemoveFromSuperview()...
Working copy locked error in tortoise svn while committing
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There are multiple meanings of "lock" in SVN and some of these answers that talk about "break lock" or a teammate holding a lock are not using the relevant meaning for the original question. This question is dealing with "working copy locks" (i...
Sending POST data in Android
...cripting languages, but I don't have a lot of experience with Java or Android.
15 Answers
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Do we need semicolon at the end? [duplicate]
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Javascript does something called "semicolon insertion" which means you can actually write code that omits the semicolon in certain places, and they'll basically be added for you when the code is parsed.
The rules around when this happens a little complex. For simplicity's sake, many ...
Does adding a duplicate value to a HashSet/HashMap replace the previous value
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The first thing you need to know is that HashSet acts like a Set, which means you add your object directly to the HashSet and it cannot contain duplicates. You just add your value directly in HashSet.
However, HashMap is a Map type. That means every time you add an entry, you add a key-value pa...
Implications of foldr vs. foldl (or foldl')
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Their semantics only differ in a trivial way, that is meaningless in practice: The order of arguments of the used function. So interface-wise they still count as exchangeable. The real difference is, it seems, only the optimization/implementation.
– Evi1M4c...
How to use OrderBy with findAll in Spring Data
...Entity, Integer> {
public List<StudentEntity> findAllByOrderByIdAsc();
}
The code above should work. I'm using something similar:
public List<Pilot> findTop10ByOrderByLevelDesc();
It returns 10 rows with the highest level.
IMPORTANT:
Since I've been told that it's easy to mi...
INSERT INTO … SELECT FROM … ON DUPLICATE KEY UPDATE
...e, and the second part references the SELECT columns.
INSERT INTO lee(exp_id, created_by, location, animal, starttime, endtime, entct,
inact, inadur, inadist,
smlct, smldur, smldist,
larct, lardur, lardist,
emptyct, emptydur)
SELEC...
Difference between StringBuilder and StringBuffer
...e first time I see --> 0 in a loop. Took me a moment to realize what it means. Is this something that is actually used in practice instead of the usual ...; i > 0; i-- syntax?
– Raimund Krämer
Dec 15 '15 at 12:25
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Redirect from an HTML page
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FYI, the 0 means to refresh after 0 seconds. You may want to give the user some more time to know what's happening.
– Dennis
Sep 11 '13 at 20:34
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