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When do you use map vs flatMap in RxJava?
...t the function it applies returns an observable itself, so it's perfectly suited to map over asynchronous operations.
In the practical sense, the function Map applies just makes a transformation over the chained response (not returning an Observable); while the function FlatMap applies returns an ...
enum.values() - is an order of returned enums deterministic
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@Fletch, sorry, I don't quite follow you. To me this sounds like you are trying to use enum for some purpose it was not intended for.
– Péter Török
Aug 13 '12 at 14:50
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Set default syntax to different filetype in Sublime Text 2
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In the current version of Sublime Text 2 (Build: 2139), you can set the syntax for all files of a certain file extension using an option in the menu bar. Open a file with the extension you want to set a default for and navigate through the following menus: View -> ...
Does Python support multithreading? Can it speed up execution time?
...g across multiple processes from one codebase and parent process, if that suits your use cases.
Note that the GIL is only applicable to the CPython implementation; Jython and IronPython use a different threading implementation (the native Java VM and .NET common runtime threads respectively).
To a...
load scripts asynchronously
...execute. It also avoids the issue of having to asynchronously load each required script.
If you have a particularly fancy interaction that isn't always used that requires a larger script of some sort, it could be useful to avoid loading that particular script until it's needed (lazy loading).
* sc...
Android activity life cycle - what are all these methods for?
...y destroying this
instance of the activity to save space. You can distinguish between> these two scenarios with the isFinishing() method.
When the Activity first time loads the events are called as below:
onCreate()
onStart()
onResume()
When you click on Phone button the Activity goes to t...
Use C++ with Cocoa Instead of Objective-C?
... on Mac OS X it seems like additional Apple specific pieces of code are required (like an Obj-C wrapper). It also seems that Apple is forcing developers to write in Objective-C rather than C++, although I could be wrong.
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What are the benefits of using C# vs F# or F# vs C#? [closed]
...your code is less error-prone (immutability, more powerful type system, intuitive recurive algorithms). You can code what you mean instead of what the computer wants you to say ;-) You will find many discussions like this when you google it or even search for it at SO.
Special F#-advantages:
Asyn...
Rails: How does the respond_to block work?
I'm going through the Getting Started with Rails guide and got confused with section 6.7. After generating a scaffold I find the following auto-generated block in my controller:
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Detecting that the browser has no mouse and is touch-only
...en change it right after he's made the effort to pinpoint your now crowded UI?
In bullet form, quoting stucox at https://github.com/Modernizr/Modernizr/issues/869#issuecomment-15264101
We want to detect the presence of a mouse
Ae probably can't detect before an event is fired
As such, wh...