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How do I output coloured text to a Linux terminal?
...gnome-terminal, xterm, screen, ...). Then look that up in the terminfo database; check the colors capability.
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What are good grep tools for Windows? [closed]
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Based on recommendations in the comments, I've started using grepWin and it's fantastic and free.
(I'm still a fan of PowerGREP, but I don't use it anymore.)
I know you already mentioned it, but PowerGREP is awesome.
Some of...
How to wait for a keypress in R?
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@milia, that is correct. Code based on tcltk needs to run on the local machine and will not run on RStudio-Server.
– Greg Snow
Jun 20 '16 at 17:35
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fs: how do I locate a parent folder?
... accepted answer should not be followed, it even triggers eslint on airbnb-base preset, the rule no-path-concat in particular
– revelt
Oct 15 '17 at 22:03
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Using $_POST to get select option value from HTML
...on = $_POST['taskOption'];
?>
The index of the $_POST array is always based on the value of the name attribute of any HTML input.
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What are the key differences between Apache Thrift, Google Protocol Buffers, MessagePack, ASN.1 and
...ngth-Value principle.
Protocol Buffers (Google originated), Avro (Apache based, used in Hadoop), Thrift (Facebook originated, now Apache project) and ASN.1 (Telecom originated) all involve some level of code generation where you first express your data in a serializer-specific format, then the ser...
Force R to stop plotting abbreviated axis labels - e.g. 1e+00 in ggplot2
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Input size vs width
...n tell, no CSS attribute does this. Setting a width in em, for example, is based off the height, not the width, and thus is not very precise if you want to display a known number of characters.
Of course, this logic doesn't always apply - a name entry field, for example, could contain any number of...
Why does string::compare return an int?
...once. But sure, someone dealing with a string containing a MPEG encoded as Base64 or some such may well run into that problem...
– Mats Petersson
Mar 11 '13 at 21:36
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How is a CRC32 checksum calculated?
...x^1 + x^0)
= x^6 + x^5 + x^4 + 3*x^3 + x^2 + x^1 + x^0
If we assume x is base 2 then we get:
x^7 + x^3 + x^2 + x^1 + x^0
CRC primer Chp.5
Why? Because 3x^3 is 11x^11 (but we need only 1 or 0 pre digit) so we carry over:
=1x^110 + 1x^101 + 1x^100 + 11x^11 + 1x^10 + 1x^1 + x^0
=1x^11...