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General suggestions for debugging in R

...ource() a .R file and it returns an error at line #n, but you need to know what function is located at line #n. setBreakpoint() takes a source file name and line number and sets a breakpoint there The codetools package, and particularly its checkUsage function can be particularly helpful in quick...
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What is the difference between :focus and :active?

What is the difference between the :focus and :active pseudo-classes? 7 Answers 7 ...
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Getting full JS autocompletion under Sublime Text

...; Syntax > JavaScript > JavaScript , I only see suggestions based on what I have previously typed. I even installed the SublimeCodeIntel plug-in , to no avail. ...
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How does one output bold text in Bash?

... I'm trying to something similar to what the OP is doing, but with a motd file. How/where would I define the $bold and $normal variables in that instance? – Matt Apr 25 '14 at 23:50 ...
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Strip whitespace from jsp output

... Not directly what you're asking for, but what helps me is putting HTML comment tags in a clever way around my jsp tags, and also putting whitespace inside a servlet tag (<% %>): ${"<!--"} <c:if test="${first}"> <c:s...
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Browsers' default CSS for HTML elements

...es to find all the default information. Or for all browsers, see html.spec.whatwg.org/multipage/rendering.html . – David Spector Aug 19 '19 at 15:48 ...
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Paste multiple times

What is the best way replace multiple lines with the contents of the clipboard? 6 Answers ...
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Difference between a virtual function and a pure virtual function [duplicate]

What is the difference between a pure virtual function and a virtual function? 4 Answers ...
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Is < faster than

...he same amount of time. This one is a little tricky to answer, but here's what I can give: In the Intel Instruction Set Reference, they are all grouped together under one common instruction, Jcc (Jump if condition is met). The same grouping is made together under the Optimization Reference Manual, ...
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What is TypeScript and why would I use it in place of JavaScript? [closed]

Can you please describe what the TypeScript language is? 5 Answers 5 ...