大约有 45,000 项符合查询结果(耗时:0.0256秒) [XML]
this.setState isn't merging states as I would expect
...ability helpers were recently added to React.addons, so with that, you can now do something like:
var newState = React.addons.update(this.state, {
selected: {
name: { $set: 'Barfoo' }
}
});
this.setState(newState);
Immutability helpers documentation.
...
snprintf and Visual Studio 2010
...es the C99 support brief for MSVC 2013. As snprintf() family functions are now a part of C++11 standard, MSVC lags behind clang and gcc in C++11 implementation!
– fnisi
Jun 3 '14 at 23:24
...
How to mock an import
...m'
Note for Python 3:
As stated in the changelog for 3.0, __builtin__ is now named builtins:
Renamed module __builtin__ to builtins (removing the underscores, adding an ‘s’).
The code in this answer works fine if you replace __builtin__ by builtins for Python 3.
...
How do I run msbuild from the command line using Windows SDK 7.1?
...Updates:
As of MSBuild 12 (2013)/VS 2013/.NET 4.5.1+ and onward MSBuild is now installed as a part of Visual Studio.
For VS2015 the path was %ProgramFiles(x86)%\MSBuild\14.0\Bin
For VS2017 the path was %ProgramFiles(x86)%\Microsoft Visual Studio\2017\Enterprise\MSBuild\15.0\Bin
For VS2019 the path w...
Visual Studio support for new C / C++ standards?
...e this one:
https://devblogs.microsoft.com/cppblog/iso-c-standard-update/
Now, the Visual C++ compiler team receives the occasionally question as to why we haven’t implemented C99. It’s really based on interest from our users. Where we’ve received many requests for certain C99 features, we...
Returning binary file from controller in ASP.NET Web API
...
Would you happen to know when the stream gets closed? I am assuming the framework ultimately calls HttpResponseMessage.Dispose(), which in turn calls HttpResponseMessage.Content.Dispose() effectively closing the stream.
– S...
How to get current route in Symfony 2?
... forward directly to a controller, not a route. As such, Symfony doesn't know what route that is for. Typically, you have one route to one controller, so it may seem weird that this can't report anything besides "_internal", however, it is possible to create general-purpose controllers that get as...
Passing variable number of arguments around
...
Please note that @ThomasPadron-McCarthy 's comment is now out of date and the final fprintf is ok.
– Frederick
Sep 13 '16 at 20:19
add a comment
...
How do I check if an array includes a value in JavaScript?
... obj) {
return true;
}
}
return false;
}
And now you can simply use the following:
alert([1, 2, 3].contains(2)); // => true
alert([1, 2, 3].contains('2')); // => false
share
|
...
How can mixed data types (int, float, char, etc) be stored in an array?
...eger int_;
real real_;
} record;
enum types { INVALID, INT, REAL };
Now it may appear that we're repeating ourselves, and we are. But consider that this definition is likely to be isolated to a single file. But we've eliminated the noise of specifiying the intermediate .val. before you get to...