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Best Practice: Initialize JUnit class fields in setUp() or at declaration?
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If you're wondering specifically about the examples in the JUnit FAQ, such as the basic test template, I think the best practice being shown off there is that the class under test should be instantiated in your setUp method (or in a test method).
When ...
Separation of JUnit classes into special test package?
... this scheme too), it also doesn't allow to test visibility automatically, esp. if you use TDD and let your IDE generate needed method stubs. It may generate them with package-private visibility (NetBeans, I'm looking at you), which makes your test pass perfectly (after you actually put implementati...
How to send an object from one Android Activity to another using Intents?
...out.writeInt(mData);
}
// this is used to regenerate your object. All Parcelables must have a CREATOR that implements these two methods
public static final Parcelable.Creator<MyParcelable> CREATOR = new Parcelable.Creator<MyParcelable>() {
public MyParcelable createF...
Tools for making latex tables in R [closed]
...ces nice looking regression tables.
Another Idea: Some of these packages (esp. memisc and apsrtable) allow easy extensions of the code to produce tables for different regression objects. One such example is the lme4 memisc code shown in the question. It might make sense to start a github repository...
Should I use SVN or Git? [closed]
...r. It's decentralised to a point where people can track their own edits locally without having to push things to an external server.
SVN is designed to be more central where Git is based on each user having their own Git repo and those repos push changes back up into a central one. For that reason,...
Any reason why scala does not explicitly support dependent types?
...here are path dependent types and I think it is possible to express almost all the features of such languages as Epigram or Agda in Scala, but I'm wondering why Scala does not support this more explicitly like it does very nicely in other areas (say, DSLs) ?
Anything I'm missing like "it is not ne...
Is there a practical use for weak references? [duplicate]
...d retain Soft References when it can.
There is another kind of reference called a Phantom Reference. This is used in the GC clean up process and refers to an object which isn't accessible to "normal" code because its in the process of being cleaned up.
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Parsing JSON with Unix tools
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There are a number of tools specifically designed for the purpose of manipulating JSON from the command line, and will be a lot easier and more reliable than doing it with Awk, such as jq:
curl -s 'https://api.github.com/users/lambda' | jq -r '.name'
You can...
What is the difference between a weak reference and an unowned reference?
...a.k.a. they don't increase the retain count in order to prevent ARC from deallocating the referred object).
But why two keywords? This distinction has to do with the fact that Optional types are built-in the Swift language. Long story short about them: optional types offer memory safety (this works ...
Assigning code to a variable
...:
var ButtonClicked = new Action(() => MessageBox.Show("hi"));
Then call it:
ButtonClicked();
For completeness (in regards to the various comments)...
As Erik stated, you could execute multiple lines of code:
var ButtonClicked = new Action(() =>
{
MessageBox.Show("hi");
Messag...