大约有 15,463 项符合查询结果(耗时:0.0219秒) [XML]

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How to check whether an object is a date?

...t this is a better method: Object.prototype.is = function() { var test = arguments.length ? [].slice.call(arguments) : null ,self = this.constructor; return test ? !!(test.filter(function(a){return a === self}).length) : (this.constructor.name || ...
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HashSet vs. List performance

...ved each cycle, you may well be better off using a List<T>. I did a test for this on my machine, and, well, it has to be very very small to get an advantage from List<T>. For a list of short strings, the advantage went away after size 5, for objects after size 20. 1 item LIST strs time...
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SQLAlchemy default DateTime

....ext.declarative import declarative_base Base = declarative_base() class Test(Base): __tablename__ = 'test' id = Column(Integer, primary_key=True) created_date = Column(DateTime, default=datetime.datetime.utcnow) ...
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How do I expand a tuple into variadic template function's arguments?

...xes<Args...>::type(), forward<tuple<Args...>>(tup)); } Test is shown bellow: // --------------------- TEST ------------------ void one(int i, double d) { std::cout << "function one(" << i << ", " << d << ");\n"; } int two(int i) { std::cout ...
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NodeJS: Saving a base64-encoded image to disk

... i just modified your code. fs.writeFile("test.jpg", imageBuffer.data, function(err ) { json_response['success'] = true; res.json(json_response); }); image is uploaded but result is not that liking to me.. error : 502 Bad Gat...
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What is the fastest way to create a checksum for large files in C#

... I did tests with buffer size, running this code using (var stream = new BufferedStream(File.OpenRead(file), bufferSize)) { SHA256Managed sha = new SHA256Managed(); byte[] checksum = sha.ComputeHash(stream); return BitC...
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Flatten an irregular list of lists

... i in flatten(42): print (i). This could be fixed by moving the isinstance-test and the else-clause outside of the for el-loop. (Then you could throw anything at it, and it would make a flattened list out of it) – RolKau Aug 18 '15 at 11:17 ...
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What's quicker and better to determine if an array key exists in PHP?

... If you are interested in some tests I've done recently: https://stackoverflow.com/a/21759158/520857 Summary: | Method Name | Run time | Difference ================================================================...
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How to check if a process is running via a batch script

... This solution works well - tested in Windows 8.1. I did notice that it is case-sensitive. – oliver-clare Dec 2 '14 at 11:18 ...
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What is the best way to check for Internet connectivity using .NET?

What is the fastest and most efficient way to check for Internet connectivity in .NET? 27 Answers ...