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Can you change what a symlink points to after it is created?

Does any operating system provide a mechanism (system call — not command line program) to change the pathname referenced by a symbolic link (symlink) — other than by unlinking the old one and creating a new one? ...
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Java Runtime.getRuntime(): getting output from executing a command line program

I'm using the runtime to run command prompt commands from my Java program. However, I'm not aware of how I can get the output the command returns. ...
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What's the difference between a single precision and double precision floating point operation?

What is the difference between a single precision floating point operation and double precision floating operation? 11 Answ...
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Why prefer two's complement over sign-and-magnitude for signed numbers?

...der to represent -1 in binary, two's complement is used: flipping the bits and adding 1? 18 Answers ...
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How to convert a Title to a URL slug in jQuery?

I'm working on an app in CodeIgniter, and I am trying to make a field on a form dynamically generate the URL slug. What I'd like to do is remove the punctuation, convert it to lowercase, and replace the spaces with hyphens. So for example, Shane's Rib Shack would become shanes-rib-shack. ...
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How can I get a count of the total number of digits in a number?

... I'm afraid ceil(log10(10)) = ceil(1) = 1, and not 2 as it should be for this question! – ysap Dec 19 '10 at 18:08 3 ...
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Change column type from string to float in Pandas

I want to convert a table, represented as a list of lists, into a Pandas DataFrame . As an extremely simplified example: 9...
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EC2 instance types's exact network performance?

... Bandwidth is tiered by instance size, here's a comprehensive answer: For t2/m3/c3/c4/r3/i2/d2 instances: t2.nano = ??? (Based on the scaling factors, I'd expect 20-30 MBit/s) t2.micro = ~70 MBit/s (qiita says 63 MBit/s) - ...
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lexers vs parsers

Are lexers and parsers really that different in theory? 5 Answers 5 ...
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Should I use s and s inside my s?

... the nav element and the list provide different semantical information: The nav element communicates that we're dealing with a major navigation block The list communicates that the links inside this navigation block form a list of items ...