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What is better, adjacency lists or adjacency matrices for graph problems in C++?
What is better, adjacency lists or adjacency matrix, for graph problems in C++?
What are the advantages and disadvantages of each?
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Do SVG docs support custom data- attributes?
In HTML5, elements can have arbitrary metadata stored in XML attributes whose names start with data- such as <p data-myid="123456"> . Is this part of the SVG spec too?
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Calendar.getInstance(TimeZone.getTimeZone(“UTC”)) is not returning UTC time
I am really confused with the result I am getting with Calendar.getInstance(TimeZone.getTimeZone("UTC")) method call, it's returning IST time.
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Namespace + functions versus static methods on a class
Let's say I have, or am going to write, a set of related functions. Let's say they're math-related. Organizationally, should I:
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What exactly are DLL files, and how do they work?
How exactly do DLL files work? There seems to be an awful lot of them, but I don't know what they are or how they work.
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Open files in 'rt' and 'wt' modes
Several times here on SO I've seen people using rt and wt modes for reading and writing files.
4 Answers
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Why is @autoreleasepool still needed with ARC?
For the most part with ARC (Automatic Reference Counting), we don't need to think about memory management at all with Objective-C objects. It is not permitted to create NSAutoreleasePool s anymore, however there is a new syntax:
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Best way to store time (hh:mm) in a database
I want to store times in a database table but only need to store the hours and minutes.
I know I could just use DATETIME and ignore the other components of the date, but what's the best way to do this without storing more info than I actually need?
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How do I vertically center text with CSS? [duplicate]
I have a <div> element which contains text and I want to align the contents of this <div> vertically center.
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Timeout command on Mac OS X?
Is there an alternative for the timeout command on Mac OSx. The basic requirement is I am able to run a command for a specified amount of time.
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