大约有 40,000 项符合查询结果(耗时:0.1007秒) [XML]

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What is the difference between bottom-up and top-down?

...pically, you would perform a recursive call (or some iterative equivalent) from the root, and either hope you will get close to the optimal evaluation order, or obtain a proof that you will help you arrive at the optimal evaluation order. You would ensure that the recursive call never recomputes a s...
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What kinds of patterns could I enforce on the code to make it easier to translate to another program

... am setting out to do a side project that has the goal of translating code from one programming language to another. The languages I am starting with are PHP and Python (Python to PHP should be easier to start with), but ideally I would be able to add other languages with (relative) ease. The plan i...
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When to use virtual destructors?

...n delete b], if the static type of the object to be deleted is different from its dynamic type, the static type shall be a base class of the dynamic type of the object to be deleted and the static type shall have a virtual destructor or the behavior is undefined. In most implementations, t...
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Seeding the random number generator in Javascript

...d. Thankfully, hash functions are very good at generating seeds for PRNGs from short strings. A good hash function will generate very different results even when two strings are similar. Here's an example based on MurmurHash3's mixing function: function xmur3(str) { for(var i = 0, h = 17790337...
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Is there a good Valgrind substitute for Windows?

...soft.com/kb/268343 ) and found it quiet useful and easy to setup. It works from Win2000 to Win7. AppVerifier is a must have swissknife for windows native code developers, its "memory" checker does similar job http://msdn.microsoft.com/en-us/library/dd371695%28v=vs.85%29.aspx 2. Callgrind: My fav...
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get just the integer from wc in bash

... was researching how to get just the integers, and i was using information from one of the answers, when i discovered a better answer, and then decided to post about it. sorry.. – BananaNeil Jan 31 '12 at 5:22 ...
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Call Activity method from adapter

Is it possible to call method that is defined in Activity from ListAdapter ? 8 Answers ...
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What is __pycache__?

From what I understand, a cache is an encrypted file of similar files. 10 Answers 10 ...
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How to smooth a curve in the right way?

...adjusted relative to its neighbors. It works great even with noisy samples from non-periodic and non-linear sources. Here is a thorough cookbook example. See my code below to get an idea of how easy it is to use. Note: I left out the code for defining the savitzky_golay() function because you can l...
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Retrieving a random item from ArrayList [duplicate]

... You must remove the system.out.println message from below the return, like this: public Item anyItem() { randomGenerator = new Random(); int index = randomGenerator.nextInt(catalogue.size()); Item it = catalogue.get(index); System.out.println("Managers ch...