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Why can't enum's constructor access static fields?
Why can't enum's constructor access static fields and methods? This is perfectly valid with a class, but is not allowed with an enum.
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How does facebook, gmail send the real time notification?
I have read some posts about this topic and the answers are comet, reverse ajax, http streaming, server push, etc.
5 Answer...
How to remove all debug logging calls before building the release version of an Android app?
According to Google, I must " deactivate any calls to Log methods in the source code " before publishing my Android app to Google Play. Extract from section 3 of the publication checklist :
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How do I pull my project from github?
I have a project on github that I have been working on before. However, I wiped out my computer and I am wondering which git command should I invoke under my username to checkout my project again so that I can push my latest changes to github under my account.
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How do sessions work in Express.js with Node.js?
Using Express.js , sessions are dead simple. I'm curious how they actually work though.
4 Answers
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Inline SVG in CSS
Is it possible to use an inline SVG definition in CSS?
9 Answers
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Explain the concept of a stack frame in a nutshell
It seems that I get the idea of call stack in programming language design. But I cannot find (probably, I just don't search hard enough) any decent explanation of what stack frame is.
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Validate that a string is a positive integer
I would like the simplest fail-safe test to check that a string in JavaScript is a positive integer.
13 Answers
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What is global::?
In C# I see global:: used quite often in auto-generated code. It is not something I have ever used myself so I don't know what the purpose is. Can someone explain this?
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What is reflection and why is it useful?
What is reflection, and why is it useful?
21 Answers
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