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Do I cast the result of malloc?

...ame. Many people seem to not know (or ignore) this, which makes their code more verbose. Remember: sizeof is not a function! :) While moving length to the front may increase visibility in some rare cases, one should also pay attention that in the general case, it should be better to write the ex...
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A non-blocking read on a subprocess.PIPE in Python

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Mean per group in a data.frame [duplicate]

...ean) or aggregate(d[, c('Rate1', 'Rate2')], list(d[, c('Name')]), mean) is more "consistent", imho. – PatrickT Jun 19 '16 at 7:04 ...
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Why is creating a new process more expensive on Windows than Linux?

I've heard that creating a new process on a Windows box is more expensive than on Linux. Is this true? Can somebody explain the technical reasons for why it's more expensive and provide any historical reasons for the design decisions behind those reasons? ...
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Are custom elements valid HTML5?

... This quote is vague at best. Surely W3C has a more concrete stance one way or the other? – Flash Aug 21 '12 at 5:09 2 ...
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What is Bootstrap?

...that you can use as a basis for creating web sites or web applications. More information and links to download Getting started Examples Themes Bootply - Bootstrap Editor and Builder Update The official bootstrap website is updated and includes a clear definition. "Bootstrap is the most popula...
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How do I check the difference, in seconds, between two dates?

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Is this a “good enough” random algorithm; why isn't it used if it's faster?

...uencies are generally higher at the lower values while Math.random() has a more uniform distribution. Here's a SSCCE which shows that: package com.stackoverflow.q14491966; import java.util.Arrays; public class Test { public static void main(String[] args) throws Exception { QuickRand...
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Difference between socket and websocket?

...a permanent connection to its server. On the other hand, plain sockets are more powerful and generic. They run over TCP/IP but they are not restricted to browsers or HTTP protocol. They could be used to implement any kind of communication. No. There is no reason. ...
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Alarm Manager Example

... AutoStart upon receiving the RECEIVE_BOOT_COMPLETED intent, it might make more sense to start YourService from AutoStart, as shown here: stackoverflow.com/a/5439320/198348 – Ehtesh Choudhury Jun 6 '12 at 17:31 ...