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What is the difference between Google App Engine and Google Compute Engine?
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App Engine is a Platform-as-a-Service. It means that you simply deploy your code, and the platform does everything else for you. For example, if your app becomes very successful, App Engine will automatically create more instances to handle the i...
How is the java memory pool divided?
I’m currently monitoring a Java application with jconsole. The memory tab lets you choose between:
4 Answers
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What is the most elegant way to remove a path from the $PATH variable in Bash?
Or more generally, how do I remove an item from a colon-separated list in a Bash environment variable?
33 Answers
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Use the XmlInclude or SoapInclude attribute to specify types that are not known statically
I've got a very strange problem when working with .NET's XmlSerializer .
5 Answers
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Using Kafka as a (CQRS) Eventstore. Good idea?
Although I've come across Kafka before, I just recently realized Kafka may perhaps be used as (the basis of) a CQRS , eventstore .
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Ruby sleep or delay less than a second?
...h of a second between sending the commands. What is the best way to sleep for less than a second?
2 Answers
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When is it acceptable to call GC.Collect?
...cularly those you suspect to be in generations 1 and 2 - are now eligible for garbage collection, and that now would be an appropriate time to collect in terms of the small performance hit.
A good example of this is if you've just closed a large form. You know that all the UI controls can now be ga...
Return multiple values to a method caller
..., see this answer.
In previous versions, you can use .NET 4.0+'s Tuple:
For Example:
public Tuple<int, int> GetMultipleValue()
{
return Tuple.Create(1,2);
}
Tuples with two values have Item1 and Item2 as properties.
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Mongodb Explain for Aggregation framework
Is there an explain function for the Aggregation framework in MongoDB? I can't see it in the documentation.
3 Answers
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How do I completely uninstall Node.js, and reinstall from beginning (Mac OS X)
...phantom v0.6.1-pre. If anyone has an explanation, I'll choose that as the correct answer.
EDIT:
You may need to do the additional instructions as well:
sudo rm -rf /usr/local/{lib/node{,/.npm,_modules},bin,share/man}/{npm*,node*,man1/node*}
which is the equivalent of (same as above)...
sudo rm...