大约有 45,000 项符合查询结果（耗时：0.0241秒） [XML]
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Please note that @ThomasPadron-McCarthy 's comment is now out of date and the final fprintf is ok.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
...
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.
...
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
|
...
iPhone get SSID without private library
...
does anyone know what BSSID is? it looks like MAC address of a router, but it's actually not. neither it is device's MAC address.
– peetonn
Oct 30 '13 at 5:58
...
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...
Add custom messages in assert?
... << ", line " << line << "\n";
abort();
}
}
Now, you can use this
M_Assert(ptr != nullptr, "MyFunction: requires non-null argument");
And in case of failure you will get a message like this:
Assert failed: MyFunction: requires non-null argument
Expected: pt...
Scala equivalent of Java java.lang.Class Object
...ding the return type of getClass.
(James Moore reports that the ticket is "now", ie Nov. 2011, two years later, fixed.
In 2.9.1, getClass now does:
scala> "foo".getClass
res0: java.lang.Class[_ <: java.lang.String] = class java.lang.String
)
Back in 2009:
It would be useful if Scala ...
How to determine if binary tree is balanced?
...IT specialist at a hospital. Trying to move to do some actual programming now. I'm working on binary trees now, and I was wondering what would be the best way to determine if the tree is height-balanced.
...
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...
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...