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Easy way to prevent Heroku idling?
... free apps the dynos seem to keep idling - my app has very low traffic but it's also not really acceptable in my case that my users have to wait 20+ seconds to spin up a new dyno.
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What is the equivalent of the C# 'var' keyword in Java?
One use of the var keyword in C# is implicit type declaration. What is the Java equivalent syntax for var ?
15 Answers
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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...
Ignore whitespace in HTML [duplicate]
Is there anything in HTML/CSS that tells the browser to ignore whitespace completely?
12 Answers
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Do you need text/javascript specified in your tags?
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See Crockford's write-up on the <script> tag, most notably:
Do not use the <!-- //--> hack with scripts. It was intended to prevent scripts from showing up as text on the first generation browsers Netscape 1 and Mosaic. It has ...
What's the difference between EscapeUriString and EscapeDataString?
If only deal with url encoding, I should use EscapeUriString ?
5 Answers
5
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What is the concept of erasure in generics in Java?
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It's basically the way that generics are implemented in Java via compiler trickery. The compiled generic code actually just uses java.lang.Object wherever you talk about T (or some other type parameter) - and there's some met...
Amazon S3 - HTTPS/SSL - Is it possible? [closed]
I saw a few other questions regarding this without any real answers or information (or so it appeared).
4 Answers
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Merge, update, and pull Git branches without using checkouts
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As long as you're doing a fast-forward merge, then you can simply use
git fetch <remote> <sourceBranch>:<destinationBranch>
Examples:
# Merge local branch foo into local branch master,
# without having to checkout master first.
# Here `.` means to use the local repository as t...
When to Redis? When to MongoDB? [closed]
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I would say, it depends on kind of dev team you are and your application needs.
For example, if you require a lot of querying, that mostly means it would be more work for your developers to use Redis, where your data might be stored in v...