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private[this] vs private
...Scala I see such feature as object-private variable. From my not very rich Java background I learnt to close everything (make it private) and open (provide accessors) if necessary. Scala introduces even more strict access modifier. Should I always use it by default? Or should I use it only in some s...
When should I use double or single quotes in JavaScript?
...nt when working with multiple languages where nearly all other lanuguages (Java, C, C++, ...) use double quotes for strings and single quotes for chars. I prefer to use the same quoting across the board and so stick with double quotes for JS. With years of touch typing the extra key to shift for dou...
How to use Morgan logger?
...estion. I think we associate logging with manual logging as we would do in Java with log4j (if you know java) where we instantiate a Logger and say log 'this'.
Then I dug in morgan code, turns out it is not that type of a logger, it is for automated logging of requests, responses and related data. ...
Copy existing project with a new name in Android Studio
...oid Studio.
Packages will still be under the old project name.
That is the Java classes packages, application ID and everything else that was generated using the old package name.
We need to change that.
In the project view, select Android.
Open the java sub-directory and select the main package.
Th...
Does C++ support 'finally' blocks? (And what's this 'RAII' I keep hearing about?)
...lose itself by the use of a destructor no matter how we try and abuse it.
Java Like Finally
void someFunc()
{
DB db = new DB("DBDesciptionString");
try
{
// Use the db object.
}
finally
{
// Can not rely on finaliser.
// So we must explicitly cl...
Generate colors between red and green for a power meter?
I'm writing a Java game and I want to implement a power meter for how hard you are going to shoot something.
19 Answers
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Are getters and setters poor design? Contradictory advice seen [duplicate]
I'm currently working on a simple game in Java with several different modes. I've extended a main Game class to put the main logic within the other classes. Despite this, the main game class is still pretty hefty.
...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
... the extension itself.
The MyRotationDetector extension is implemented as Java code, which is compiled and processed to produce the aix file, as explained in App Inventor extensions. The Java code file
MyRotationDetector.java is available here:
https://drive.google.com/open?id=0B3jsksMcCW5bUU1r...
How to use ConcurrentLinkedQueue?
How do I use a ConcurrentLinkedQueue in Java?
Using this LinkedQueue , do I need to be worried about concurrency in the queue? Or do I just have to define two methods (one to retrive elements from the list and another to add elements to the list)?
Note: obviously these two methods have to be ...
new keyword in method signature
...n method".
It's a bit bizarre to me, but maybe only because I come from a Java background and there's this fundamental difference between C# inheritance and Java: In Java, methods are virtual by default unless specified by final. In C#, methods are final/concrete by default unless specified by virt...