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Difference between a Postback and a Callback
I keep on hearing this words ' callback ' and ' postback ' tossed around.
What is the difference between two ?
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JavaScript checking for null vs. undefined and difference between == and ===
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On Duplicate Key Update same as insert
I've searched around but didn't find if it's possible.
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What is your most productive shortcut with Vim?
I've heard a lot about Vim , both pros and cons.
It really seems you should be (as a developer) faster with Vim than with any other editor.
I'm using Vim to do some basic stuff and I'm at best 10 times less productive with Vim.
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Unnecessary curly braces in C++?
When doing a code review for a colleague today I saw a peculiar thing. He had surrounded his new code with curly braces like this:
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What scalability problems have you encountered using a NoSQL data store? [closed]
NoSQL refers to non-relational data stores that break with the history of relational databases and ACID guarantees. Popular open source NoSQL data stores include:
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How to get all subsets of a set? (powerset)
Given a set
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Please explain some of Paul Graham's points on Lisp
I need some help understanding some of the points from Paul Graham’s What Made Lisp Different .
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Is it correct to use JavaScript Array.sort() method for shuffling?
I was helping somebody out with his JavaScript code and my eyes were caught by a section that looked like that:
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What is the most effective way for float and double comparison?
What would be the most efficient way to compare two double or two float values?
31 Answers
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