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What is the difference between integration and unit tests?
I know the so-called textbook definition of unit tests and integration tests. What I am curious about is when it is time to write unit tests... I will write them to cover as many sets of classes as possible.
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What is the difference between association, aggregation and composition?
What is the difference between association, aggregation, and composition?
Please explain in terms of implementation.
19 An...
Difference between variable declaration syntaxes in Javascript (including global variables)?
...gh in practical terms they're not usually big ones.
There's a fourth way, and as of ES2015 (ES6) there's two more. I've added the fourth way at the end, but inserted the ES2015 ways after #1 (you'll see why), so we have:
var a = 0; // 1
let a = 0; // 1.1 (new with ES2015)
const a = 0; //...
F# changes to OCaml [closed]
...xtension points (ppx)
In addition, F# has a different syntax for labeled and optional parameters.
In theory, OCaml programs that don't use these features can be compiled with F#. Learning OCaml is a perfectly reasonable introduction to F# (and vice versa, I'd imagine).
The complete list of diffe...
Why would I make() or new()?
...ents dedicate many paragraphs to explaining the difference between new() and make() , but in practice, you can create objects within local scope and return them.
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What do < and > stand for?
I know that the entities &lt; and &gt; are used for < and > , but I am curious what these names stand for.
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Difference between PCDATA and CDATA in DTD
What is the difference between #PCDATA and #CDATA in DTD ?
6 Answers
6
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What's the difference between the atomic and nonatomic attributes?
What do atomic and nonatomic mean in property declarations?
26 Answers
26
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Difference between solr and lucene
I know that Lucene and Solr are 2 differents Apache projects that are made to work together, but I don't understand what is the aim of each project.
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Empty arrays seem to equal true and false at the same time
...t (Array is instance of Object in JS) will check if the object is present, and returns true/false.
When you call if (arr == false) you compare values of this object and the primitive false value. Internally, arr.toString() is called, which returns an empty string "".
This is because toString cal...