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asynchronous vs non-blocking
...hen is a good time to retry.
But asynchronous sockets (as supported by Windows sockets), or the asynchronous IO pattern used in .NET, are more convenient. You call a method to start an operation, and the framework calls you back when it's done. Even here, there are basic differences. Asynchronous W...
How to automatically remove trailing whitespace in Visual Studio 2008?
...ve whitespace characters at the end of each line when saving a file? There doesn't seem to be a built-in option, so are there any extensions available to do this?
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Sort hash by key, return hash in Ruby
...
@zachaysan but it does work: h.sort{|a,z|a<=>z}.to_h (tested 2.1.10, 2.3.3)
– whitehat101
Dec 2 '16 at 6:27
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this.setState isn't merging states as I would expect
...
I think setState() doesn't do recursive merge.
You can use the value of the current state this.state.selected to construct a new state and then call setState() on that:
var newSelected = _.extend({}, this.state.selected);
newSelected.name = '...
How to check if my string is equal to null?
...
if (myString != null && !myString.isEmpty()) {
// doSomething
}
As further comment, you should be aware of this term in the equals contract:
From Object.equals(Object):
For any non-null reference value x, x.equals(null) should return false.
The way to compare wit...
How do I sort a dictionary by value?
... OrderedDict added to collections in 2.7. Sorting example shown at: docs.python.org/library/…
– monkut
Apr 24 '11 at 6:31
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How do I sort an NSMutableArray with custom objects in it?
What I want to do seems pretty simple, but I can't find any answers on the web. I have an NSMutableArray of objects, and let's say they are 'Person' objects. I want to sort the NSMutableArray by Person.birthDate which is an NSDate .
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How do I get the file extension of a file in Java?
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@BrainSlugs83 So what does mean "tar"?
– TuGordoBello
Mar 23 '16 at 14:42
31
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What's the point of OOP?
...ity or consistency to the approaches that people take to modelling problem domains. All too often, the class is used simply for its syntactic sugar; it puts the functions for a record type into their own little namespace.
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How to disable / enable dialog negative positive buttons?
... public void onClick(DialogInterface arg0, int arg1) {
// DO TASK
}
});
builder.setNegativeButton("NegativeButton",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface arg0, int arg1) {
// DO TASK
...