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When and why are database joins expensive?
I'm doing some research into databases and I'm looking at some limitations of relational DBs.
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What is uintptr_t data type
What is uintptr_t and what can it be used for?
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Uncatchable ChuckNorrisException
Is it possible to construct a snippet of code in Java that would make a hypothetical java.lang.ChuckNorrisException uncatchable?
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EProgrammerNotFound exception in Delphi?
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It is just the result of a long day and we had gotten a little giddy. For many, many years (ever since I'd been on the team), we'd always joked about replacing some error message in the compiler for one of the most common err...
What's the difference between EscapeUriString and EscapeDataString?
If only deal with url encoding, I should use EscapeUriString ?
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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...
Android Facebook style slide
The new Facebook application and its navigation is so cool. I was just trying to see how it can be emulated in my application.
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Singletons vs. Application Context in Android?
...eral examples of Android applications using singleton pattern, I wonder if it's a good idea to use Singletons instead of single instances shared through global application state (subclassing android.os.Application and obtaining it through context.getApplication()).
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Pass a JavaScript function as parameter
How do I pass a function as a parameter without the function executing in the "parent" function or using eval() ? (Since I've read that it's insecure.)
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how does Array.prototype.slice.call() work?
I know it is used to make arguments a real array, but I don't understand what happens when using Array.prototype.slice.call(arguments)
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