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What's the difference between a word and byte?

... For extra credit, a "nibble" is a common term for half a byte. It arose during the early microcomputer CPU era (e.g., the Intel 8080), and was always understood to be 4 bits, because by then the byte had settled down to 8 bits. ...
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How do I create an array of strings in C?

I am trying to create an array of strings in C. If I use this code: 14 Answers 14 ...
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PHP Session Fixation / Hijacking

...ed so it's not 100% reliable, but it's better than not. Include the user's IP address from $_SERVER['REMOTE_ADDR'] in the session. Basically, when the session starts, store it in something like $_SESSION['remote_ip']. This may be problematic from some ISPs that use multiple IP addresses for their ...
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Difference between 'struct' and 'typedef struct' in C++?

...hat C++ generates a typedef for every tag name, such as typedef class string string; Unfortunately, this is not entirely accurate. I wish it were that simple, but it's not. C++ can't generate such typedefs for structs, unions, or enums without introducing incompatibilities with ...
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IEnumerable to string [duplicate]

...can't find a really easy way to convert an IEnumerable<char> to a string . 6 Answers ...
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TCP vs UDP on video stream

...tivity; therefore TCP is more appropriate for replaying a video-on-demand. IP multicast significantly reduces video bandwidth requirements for large audiences; TCP prevents the use of IP multicast, but UDP is well-suited for IP multicast. Live video is normally a constant-bandwidth stream recorded o...
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Replacing a char at a given index in string? [duplicate]

String does not have ReplaceAt() , and I'm tumbling a bit on how to make a decent function that does what I need. I suppose the CPU cost is high, but the string sizes are small so it's all ok ...
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Permission denied (publickey) when SSH Access to Amazon EC2 instance [closed]

...out which username you should use is often lacking from the AMI Image description. But you can find some in AWS EC2 documentation, bullet point 4. : http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AccessingInstancesLinux.html Use the ssh command to connect to the instance. You'll specify the...
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Best way to check for “empty or null value”

What is best way to check if value is null or empty string in Postgres sql statements? 10 Answers ...
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Fastest way to flatten / un-flatten nested JSON objects

...d more speed out of your implementation by replacing the regex.exec() with string.split() and simplifying the key format. I'll give it a few days before I award you the pts, but I think the 'wall of meaningful optimization' has been reached. – Louis Ricci Oct 5...