大约有 15,000 项符合查询结果(耗时:0.0281秒) [XML]

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What is the advantage of GCC's __builtin_expect in if else statements?

I came across a #define in which they use __builtin_expect . 6 Answers 6 ...
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Python 2.7 getting user input and manipulating as string without quotations

... readline -- this will give features similar to bash (history out-of-the-box, auto-completion will require some legwork) – Foo Bah Feb 10 '11 at 17:10 ...
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NOT using repository pattern, use the ORM as is (EF)

...I've thrown the towel in and given up on it, here's why. Coding for the exception Do you code for the 1% chance your database is going to change from one technology to another? If you're thinking about your business's future state and say yes that's a possibility then a) they must have a lot of m...
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python tuple to dict

... Try: >>> t = ((1, 'a'),(2, 'b')) >>> dict((y, x) for x, y in t) {'a': 1, 'b': 2} share | improve this answer | follow | ...
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What's the (hidden) cost of Scala's lazy val?

... answered Jun 15 '10 at 7:51 oxbow_lakesoxbow_lakes 127k5252 gold badges305305 silver badges442442 bronze badges ...
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Re-doing a reverted merge in Git

...t sounds. Look at the official document on this topic. ---o---o---o---M---x---x---W---x---Y / ---A---B-------------------C---D to allow: ---o---o---o---M---x---x-------x-------* / / ---A---B-------------------C---D But does it al...
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Call int() function on every list element?

... This is what list comprehensions are for: numbers = [ int(x) for x in numbers ] share | improve this answer | follow | ...
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Pandas - Get first row value of a given column

... a ridiculously easy question... but I'm not seeing the easy answer I was expecting. 7 Answers ...
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Which icon sizes should my Windows application's icon include?

I have a Windows application which will run in Windows XP and newer (i.e. Vista/7). According to the Vista UI Guidelines , the standard sizes are 16x16, 32x32, 48x48, 256x256 (XP standard sizes do not include the 256x256 icon). In addition to those sizes, I also have 96x96 and 128x128 (and could cr...
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What is a Question Mark “?” and Colon “:” Operator Used for? [duplicate]

...'s not the only ternary operator, just the most common one. Here's a good example from Wikipedia demonstrating how it works: A traditional if-else construct in C, Java and JavaScript is written: if (a > b) { result = x; } else { result = y; } This can be rewritten as the following state...