大约有 16,000 项符合查询结果(耗时:0.0324秒) [XML]

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Switch case with fallthrough?

... You can also convert C to lowercase case "${C,,}" in if the case isn't important – Sprinterfreak Mar 22 '14 at 12:02 ...
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What is a loop invariant?

I'm reading "Introduction to Algorithm" by CLRS. In chapter 2, the authors mention "loop invariants". What is a loop invariant? ...
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Authorize Attribute with Multiple Roles

...in @Tieson I tweak a little in his answer. Instead of string.Join why not convert it to list? Here is my answer: public class AuthorizeRolesAttribute : AuthorizeAttribute { private new List<string> Roles; public AuthorizeRolesAttribute(params string[] roles) : base() { R...
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How to use support FileProvider for sharing content to other apps?

I'm looking for a way to correctly share (not OPEN) an internal file with external application using Android Support library's FileProvider . ...
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What is getattr() exactly and how do I use it?

... I feel this should be the accepted answer. Very clear and to the point. – yuqli Jul 31 '19 at 17:43 Am I incor...
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Why can I create a class named “var”?

...ot a reserved word in C#. so as its not reserved you can use it. As pointed out in the comments above there is a discussion of the differences as well as a list of the various keywords and contextual keywords added at each version of c# on Eric Lipperts blog It is interesting to note that sinc...
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What does 'useLegacyV2RuntimeActivationPolicy' do in the .NET 4 config?

While converting a project that used SlimDX, and therefore has unmanaged code, to .NET 4.0 I ran into the following error: ...
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How do I enumerate through a JObject?

...omplianceJson = JObject.Parse(File.ReadAllText(fullPath));) I get, "Cannot convert type 'System.Collections.Generic.KeyValuePair<string,Newtonsoft.Json.Linq.JToken>' to 'Newtonsoft.Json.Linq.JProperty'" Removing the casting works, though: var key = x.Key; var jvalue = x.Value; ...
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Is gettimeofday() guaranteed to be of microsecond resolution?

...the CPU speed from /proc/cpuinfo and divide to get the number of seconds. Converting this to a double is quite handy. When I run this on my box, I get 11867927879484732 11867927879692217 it took this long to call printf: 207485 Here's the Intel developer's guide that gives tons of detail. #in...
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How do I use a custom deleter with a std::unique_ptr member?

...) = default; template <class U, class = std::enable_if_t<std::is_convertible<U*, Bar*>()>> constexpr default_delete(default_delete<U>) noexcept {} void operator()(Bar* p) const noexcept { destroy(p); } }; And maybe also do std::make_unique(): template <> ...