大约有 46,000 项符合查询结果(耗时:0.0906秒) [XML]
Close and Dispose - which to call?
...and Dispose in the case of SqlConnectionObject is:
An application can call Close more
than one time. No exception is
generated.
If you called Dispose method
SqlConnection object state will be
reset. If you try to call any
method on disposed SqlConnection
object, you will receive...
What is “callback hell” and how and why does RX solve it?
... clear definition together with a simple example that explains what is a "callback hell" for someone who does not know JavaScript and node.js ?
...
Calculate distance between two latitude-longitude points? (Haversine formula)
...a that the Wikipedia article uses? Is it more efficient and/or more numerically stable?
– musiphil
Dec 20 '12 at 3:47
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RegEx to make sure that the string contains at least one lower case char, upper case char, digit and
...'t know how to rephrase it in order to make it easier to understand. Especially in these small comment-boxes. I recommend you read this: regular-expressions.info/lookaround.html and if you still have question, simply post a question of your own. Good luck!
– Bart Kiers
...
How to use MDC with thread pools?
....util.Timer classes along with some self-rolled async execution services. All these services manage their own thread pool.
...
Using NSPredicate to filter an NSArray based on NSDictionary keys
...
It should work - as long as the data variable is actually an array containing a dictionary with the key SPORT
NSArray *data = [NSArray arrayWithObject:[NSMutableDictionary dictionaryWithObject:@"foo" forKey:@"BAR"]];
NSArray *filtered = [data filteredArrayUsingPredicate:[N...
Why can I pass 1 as a short, but not the int variable i?
...oes the first and second Write work but not the last? Is there a way I can allow all 3 of them and detect if it was 1, (int)1 or i passed in? And really why is one allowed but the last? The second being allowed but not the last really blows my mind.
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Xamarin 2.0 vs Appcelerator Titanium vs PhoneGap [duplicate]
After all IDE evolutions (all platforms on topic are changed) of this year, i'm looking to understand what is the state of technology for those platforms.
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Mixing Angular and ASP.NET MVC/Web api?
...ular/REST(WebApi) gives a richer and smoother result. It's much faster and allows you to build websites that come quite close to desktop applications, without any funky hacks.
Angular does have a little learning curve, but once your team has mastered it, you'll build much better websites in less t...
How to retrieve an element from a set without removing it?
...r(s)) only exceeds list(s)[0] by three characters and is otherwise dramatically superior in both time and space complexity. So, while the claim of "least code" is trivially true, it's also trivially true that this is the worst possible approach. Even manually removing and then re-adding the removed ...
