大约有 48,000 项符合查询结果(耗时:0.0368秒) [XML]

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Measuring elapsed time with the Time module

...seconds consider the following: import datetime start = datetime.datetime.now() # some code end = datetime.datetime.now() elapsed = end - start print(elapsed) # or print(elapsed.seconds,":",elapsed.microseconds) strftime documentation ...
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explicit casting from super class to subclass

... you're essentially telling the compiler "trust me. I'm a professional, I know what I'm doing and I know that although you can't guarantee it, I'm telling you that this animal variable is definitely going to be a dog." Since the animal isn't actually a dog (it's an animal, you could do Animal anima...
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Search code inside a Github project

...at within the ruby repo will be expressed as stat repo:ruby/ruby, and will now just workTM. (the repo name is not case sensitive: test repo:wordpress/wordpress returns the same as test repo:Wordpress/Wordpress) Will give: And you have many other examples of search, based on followers, or on fo...
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Difference between Inheritance and Composition

...ance is java.util.Stack, which currently extends java.util.Vector. This is now considered a blunder. A stack "is-NOT-a" vector; you should not be allowed to insert and remove elements arbitrarily. It should've been composition instead. Unfortunately it's too late to rectify this design mistake, sin...
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Defeating a Poker Bot

... time they don't. It's folded round to them with no other player acting, now they have been presented with the most favourable condition possible. Now if they press fold, they would have been heavily inclined to press autofold from the start. This is inconsistant/unoptimised/random behavio...
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Common elements in two lists

... Use Collection#retainAll(). listA.retainAll(listB); // listA now contains only the elements which are also contained in listB. If you want to avoid that changes are being affected in listA, then you need to create a new one. List<Integer> common = new ArrayList<Integer>(...
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Locking pattern for proper use of .NET MemoryCache

...urn cachedString; } //The value still did not exist so we now write it in to the cache. var expensiveString = SomeHeavyAndExpensiveCalculation(); CacheItemPolicy cip = new CacheItemPolicy() { AbsoluteExp...
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Is .NET Remoting really deprecated?

...s not recommended for new development. Distributed applications should now be developed using the Windows Communication Foundation (WCF). Update: WCF doesn't distinguish between inter/intra/process/inter/intra-appdomain. If you are using single machine communication in WCF you use named p...
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NodeJS - Error installing with NPM

...a problem with the buffertools dependency, thats far as i can think. Dont know how maybe fix this? 13 Answers ...
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Complex CSS selector for parent of active child [duplicate]

... The CSS Selectors 4 spec has now included the ability for selectors to ascend. stackoverflow.com/q/1014958/392 – Dan Herbert Nov 22 '11 at 17:22 ...