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Real world use of JMS/message queues? [closed]
...MS (ActiveMQ is a JMS broker implementation) can be used as a mechanism to allow asynchronous request processing. You may wish to do this because the request take a long time to complete or because several parties may be interested in the actual request. Another reason for using it is to allow mul...
Heroku 'Permission denied (publickey) fatal: Could not read from remote repository' woes
...nd it still didn't work. I ended up having to add an environment variable called HOME set to the directory my .ssh folder was in
– Justin
Dec 31 '13 at 21:31
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Why are primes important in cryptography?
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Most basic and general explanation: cryptography is all about number theory, and all integer numbers (except 0 and 1) are made up of primes, so you deal with primes a lot in number theory.
More specifically, some important cryptographic algorithms such as RSA critically depen...
What is the difference between IEnumerator and IEnumerable? [duplicate]
... method GetEnumerator which returns an IEnumerator interface, this in turn allows readonly access to a collection. A collection that implements IEnumerable can be used with a foreach statement.
Definition
IEnumerable
public IEnumerator GetEnumerator();
IEnumerator
public object Current;
public...
How to avoid passing parameters everywhere in play2?
In play1, I usually get all data in actions, use them directly in views. Since we don't need to explicitly declare parameters in view, this is very easy.
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C# LINQ find duplicates in List
...erable.GroupBy(x => x.Key).Any(g => g.Count() > 1);
Find out if all values in an enumerable are unique :
var allUnique = enumerable.GroupBy(x => x.Key).All(g => g.Count() == 1);
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What's the correct way to sort Python `import x` and `from x import y` statements?
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Imports are generally sorted alphabetically and described in various places beside PEP 8.
Alphabetically sorted modules are quicker to read and searchable. After all python is all about readability.
Also It is easier to verify that something...
What exactly is Spring Framework for? [closed]
I hear a lot about Spring , people are saying all over the web that Spring is a good framework for web development. What exactly is Spring Framework for?
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How do I specify multiple targets in my podfile for my Xcode project?
...ult, one for building a lite version and one for building a demo version). All the targets use the same libraries, but CocoaPods is only adding the static library and search paths to the primary target. My podfile looks like this:
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How to test that no exception is thrown?
... test your functionality: if an exception is thrown the test will automatically fail. If no exception is thrown, your tests will all turn up green.
I have noticed this question garners interest from time to time so I'll expand a little.
Background to unit testing
When you're unit testing it's imp...