大约有 33,000 项符合查询结果（耗时：0.0458秒） [XML]
How to check for an active Internet connection on iOS or macOS?
... // calling application is using the CFSocketStream or higher APIs.
if ((flags & kSCNetworkReachabilityFlagsInterventionRequired) == 0)
{
// ... and no [user] intervention is needed
return YES;
...
Get content uri from file path in android
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This is not working on android Pie api 28. Cursor returns null
– Ibrahim Gharyali
Nov 15 '18 at 7:26
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What does #defining WIN32_LEAN_AND_MEAN exclude exactly?
...ze of the Win32 header files by excluding some of the less frequently used APIs". Somewhere else I read that it speeds up the build process.
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Simple C example of doing an HTTP POST and consuming the response
...nswer your question: if the URL you are interested in POSTing to is http://api.somesite.com/apikey=ARG1&command=ARG2 then there is no body or query string and, consequently, no reason to POST because there is nothing to put in the body of the message and so nothing to put in the Content-Type: an...
method overloading vs optional parameter in C# 4.0 [duplicate]
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Optional Parameters provide issues when you expose them publicly as API. A rename of a parameter can lead to issues. Changing the default value leads to issues (See e.g. here for some info: Caveats of C# 4.0 optional parameters)
Also, optional params can only be used for compile-time constan...
Why is argc not a constant?
...h (a good portion of) existing C code was an early goal of C++.
Some UNIX APIs, such as getopt, actually do manipulate argv[], so it can't be made const for that reason also.
(Aside: Interestingly, although getopt's prototype suggests it won't modify argv[] but may modify the strings pointed to,...
How to hide the title bar for an Activity in XML with existing custom theme
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This doesn't work using API 22. I still see the title bar initially as the app boots.
– user2966445
May 13 '16 at 14:12
8
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How to define optional methods in Swift protocol?
...lly have no default implementation, or that your you made a mistake during API design.
You can't distinguish between a default implementation and no implementation at all, at least without addressing that problem with special return values. Consider the following example:
protocol SomeParserDelegat...
Where to place AutoMapper.CreateMaps?
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Doesn't this make your web API project have a reference to Your service and domain layers?
– Chazt3n
Jan 5 '15 at 18:51
3
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Function to calculate distance between two coordinates
...transportation distance or walking distance), you'll have to use a mapping API (Google or Bing being the most popular) to get the appropriate route, which will include the distance.
Incidentally, the Google Maps API provides a packaged method for spherical distance, in its google.maps.geometry.sphe...