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difference between use and require

... not having to reconcile collisions is a good point, and more generally there's a programming style which says "namespaces are a honking great idea, we should have more of them" (from "The Zen of Python") -- so e.g. that style recommends not using "using namespace foo;" in C++, so ...
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What's the best way to use R scripts on the command line (terminal)?

...hard-coded is /bin/sh. Everything else must use env lookup. In particular, more often than not Bash is outdated on compute clusters and users have their own custom installations (commonly in ~/.local/bin, or shared in something like a /software NFS mount). Likewise, on macOS, /bin/bash is always out...
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Can you explain the concept of streams?

...etwork or anything else which supports the stream idea, your code is a lot more flexible. In addition, streams are often chained together - you can have a stream which compresses whatever is put into it, writing the compressed form on to another stream, or one which encrypts the data, etc. At the o...
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Reading my own Jar's Manifest

...ClassLoader() .getResources("META-INF/MANIFEST.MF"); while (resources.hasMoreElements()) { try { Manifest manifest = new Manifest(resources.nextElement().openStream()); // check that this is your manifest and do what you need or get the next one ... } catch (IOException E...
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What are the best practices to follow when declaring an array in Javascript?

...ay with just one pre-specified number element in it! Using [] is actually more efficient, and safer too! It's possible to overwrite the Array constructor and make it do odd things, but you can't overwrite the behaviour of []. Personally, I always use the [] syntax, and similarly always use {} syn...
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Java 8 Distinct by property

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How to test equality of Swift enums with associated values

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How can I exclude one word with grep?

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What is the difference between an annotated and unannotated tag?

...(1), while a tag without annotations is just a named pointer to a commit. More About Lightweight Tags According to the documentation: "To create a lightweight tag, don’t supply any of the -a, -s, or -m options, just provide a tag name". There are also some different options to write a message on...
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“unmappable character for encoding” warning in Java

...if you put this comment /* c:\unit */ to your code, it will not compile anymore, because "nit" isn't correct hex number. – Peter Štibraný Jan 21 '09 at 11:25 3 ...