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What is the point of the diamond operator () in Java 7?
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The issue with
List<String> list = new LinkedList();
is that on the left hand side, you are using the generic type List<String> where on the right side you are using the raw type LinkedList. Raw types in Java effectively ...
What is the purpose of Looper and how to use it?
...o Android. I want to know what the Looper class does and also how to use it. I have read the Android Looper class documentation but I am unable to completely understand it.
I have seen it in a lot of places but unable to understand its purpose. Can anyone help me by defining the purpose of Loop...
When to use RSpec let()?
...cross my examples. I recently came upon let() . According to RSpec docs, it is used to
10 Answers
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Should I use Vagrant or Docker for creating an isolated environment? [closed]
...n, I think Docker is what you want.
Vagrant is a virtual machine manager. It allows you to script the virtual machine configuration as well as the provisioning. However, it is still a virtual machine depending on VirtualBox (or others) with a huge overhead. It requires you to have a hard drive file...
When should I use Lazy?
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You typically use it when you want to instantiate something the first time its actually used. This delays the cost of creating it till if/when it's needed instead of always incurring the cost.
Usually this is preferable when the object may o...
how do I use UIScrollView in Interface Builder?
While I've used UIScrollView successfully in the past by manipulating it programmatically, I'm having trouble getting it to work by setting it up exclusively in Interface Builder.
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Should a Netflix or Twitter-style web service use REST or SOAP? [closed]
I've implemented two REST services: Twitter and Netflix. Both times, I struggled to find the use and logic involved in the decision to expose these services as REST instead of SOAP. I hope somebody can clue me in to what I'm missing and explain why REST was used as the service implementation for ser...
Are “while(true)” loops so bad? [closed]
...ow, but I just recently returned to school to get a formal degree. I was quite surprised to learn that, on my last assignment, I lost points for using a loop like the one below.
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Android destroying activities, killing processes
... I can't find precise answer anywhere.
Let's assume I have an application with 5 activities on current activity stack (4 are stopped and 1 is resumed), there is no service connected. I press HOME button so that all of my activities are stopped.
I start some other memory consuming application and ove...
Tools for Generating Mock Data? [closed]
... benerator, a test data generator that looks close to your requirements.
it can generate data for an existing table definition (or even anonymize production data)
it can generate larges data set (unlimited size)
it supports various input (CSV, Flat Files, DBUnit) and output format (CSV, Flat Files...