Some packages contain C and C++ code which needs to be compiled during package installation if packages are installed from source. CompilationConcurrency
This may be what prevent R from installing xgboost.
13 Matching Annotations
- Aug 2023
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colorado.posit.co colorado.posit.co
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- May 2022
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unleash-shiny.rinterface.com unleash-shiny.rinterface.com
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tagQuery()
tagQuery( ) allows one to change the structure of a html object without having to but much concern about how it is nested.
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tagAppendAttributes() adds a new attribute to the current tag
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tagRemoveAttributes()
This is a function found in the golem package.
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tagSetChildren() creates children for a given tag
How to set children, but remember that this function replaces the all children.
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A shiny tag is defined by: A name such as span, div, h1 …, accessed with tag$name. Some attributes, which can be accessed with tag$attribs. Children, which can be accessed with tag$children. A class, namely shiny.tag.
Shiny tags are stored in R as a list with three name values: name ( name of tag), attribute (list of key pairs), children (other html components inside), class usually R object class shiny.tag
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nterestingly, if you want to convert raw HTML to R code, there is a Shiny App developed by Alan Dipert from RStudio, namely html2R, shown Figure 2.3. Non-standard attributes (like data-toggle) are not correctly processed, but there are solutions. This will save you precious time! A more recent approach is developed in Chapter 21 and has been used internally to develop some of the RinteRface templates.
This may be useful for FIGMA to shiny conversion.
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We strongly recommend using R as much as possible and avoid mixing HTML with R.
AVOID inserting raw HTML and use r functions like div( ) instead.
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W3C has an online validation tool
This tool can be used to check is a custom created tag is valid.
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When building custom templates, you will be writing a lot of tags. It might seem too much work to always write tags$<TAG_NAME>. There exists a function called withTags(), which allows you to get rid of all tags$. Hence, the whole code is much easier to write and read:
withTags( ) looks to be a easy way to avoid using tags$<TAG_NAME> too often.
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unleash-shiny.rinterface.com unleash-shiny.rinterface.com
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CSS side, we prefix the class by a .
To change CSS for a specific class.
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mastering-shiny.org mastering-shiny.org
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Two good places to start are https://blog.r-hub.io/2020/08/25/js-r/#web-dependency-management and https://unleash-shiny.rinterface.com/htmltools-dependencies.html.
Resources for how to incorporate html and css to shiny
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good place to start are the HTML and CSS basics tutorials by MDN.
These are link for HTML and CSS tutorials
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