大约有 922 项符合查询结果(耗时:0.0116秒) [XML]

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Why are mutable structs “evil”?

Following the discussions here on SO I already read several times the remark that mutable structs are “evil” (like in the answer to this question ). ...
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Functional programming - is immutability expensive? [closed]

The question is in two parts. The first is conceptual. The next looks at the same question more concretely in Scala. 9 Answ...
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What are the differences between Perl, Python, AWK and sed? [closed]

...is designed to apply the actions from a script to each line (or, more generally, to specified ranges of lines) of the input file or files. Its language is based on ed, the Unix editor, and although it has conditionals and so on, it is hard to work with for complex tasks. You can work minor miracles ...
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Can a class member function template be virtual?

I have heard that C++ class member function templates can't be virtual. Is this true? 12 Answers ...
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Multithreading: What is the point of more threads than cores?

... of having more than 4 threads running at a time? Wouldn't they just be stealing time (CPU Resources) from each other? 17 A...
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CSS selector for first element with class

... a given class. One workaround that Lea Verou and I came up with for this (albeit totally independently) is to first apply your desired styles to all your elements with that class: /* * Select all .red children of .home, including the first one, * and give them a border. */ .home > .red { ...
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Node.js / Express.js - How does app.router work?

...use is app.use() . When the middleware is being executed, it will either call the next middleware by using next() or make it so no more middleware get called. That means that the order in which I place my middleware calls is important, because some middleware depends on other middleware, and some...
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Custom HTTP headers : naming conventions

Several of our users have asked us to include data relative to their account in the HTTP headers of requests we send them, or even responses they get from our API. What is the general convention to add custom HTTP headers, in terms of naming , format ... etc. ...
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What is the fastest integer division supporting division by zero no matter what the result is?

...x, int y) { y += y == 0; return x/y; } The compiler basically recognizes that it can use a condition flag of the test in the addition. As per request the assembly: .globl f .type f, @function f: pushl %ebp xorl %eax, %eax movl %esp, %ebp movl 12(%...
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What is the list of supported languages/locales on Android?

...irates)] ar_BH [Arabic (Bahrain)] ar_DJ [Arabic (Djibouti)] ar_DZ [Arabic (Algeria)] ar_EG [Arabic (Egypt)] ar_EH [Arabic (Western Sahara)] ar_ER [Arabic (Eritrea)] ar_IL [Arabic (Israel)] ar_IQ [Arabic (Iraq)] ar_JO [Arabic (Jordan)] ar_KM [Arabic (Comoros)] ar_KW [Arabic (Kuwait)] ar_LB [Arabic (L...