Web and node.js spreadsheet library. Supports xlsx, csv, tsv (or any simple delimited file) for now.
Read `.xlsx` files in a web browser or in Node.js
Essential Javascript 2 Excel Export Library
A simple cache for a few of the JS Error constructors.
Kendo UI for Angular Excel Export component
Create HTTP error objects
Write simple `*.xlsx` files in a browser or Node.js
React Excel export helps you export and save data to Excel files and customize or filter the output. KendoReact Excel Export package
JSON.parse with context information on error
TypeScript definitions for http-errors
excel-builder-vanilla types
JSON.parse with context information on error
Themes for stylized Vega and Vega-Lite visualizations.
Simple data set export to Excel xlsx file
Create an error from multiple errors
Custom error messages in JSON Schemas for Ajv validator
Human-friendly JSON Schema validation for APIs
SpreadJS Excel Import Export
Convert Excel date in integer format into JS date. Dates are stored as numbers in Excel and count the number of days since January 0, 1900 (1900 standard, for mac it is 1904, which means January 0, 1904 is the start date). Times are handled internally as
Tokenize Excel formulas
An MCP server that reads and writes spreadsheet data to MS Excel file
Convert Excel to JSON
richer JavaScript errors
A Complete Microsoft Excel-like JavaScript Spreadsheet for Enterprise Applications
Equipped with intelligent parsing rules and excellent error handling, this gem is all you need for importing CSVs in Ruby.
Import an Excel document by creating a Ruby class and passing in an 'xls' file. It will automatically format the columns into specified Ruby objects and raise errors on bad data.
Import an Excel document by creating a Ruby class and passing in an 'xls' file. It will automatically format the columns into specified Ruby objects and raise errors on bad data.
Capybara provides excellent error messages for its built in predicate methods: has_selector?, has_text?, has_title? etc.. but when those are used from Page Objects while exposing predicate methods from the PageObjects themselves the error messages are lost and all we get is "expected true, got false". Including this module into your PageObject by adding "include CapybaraErrorIntel::DSL" after "include Capybara::DSL" will return the heuristic error messages.
ANTLR, ANother Tool for Language Recognition, is a language tool that provides a framework for constructing recognizers, interpreters, compilers, and translators from grammatical descriptions containing actions in a variety of target languages. ANTLR provides excellent support for tree construction, tree walking, translation, error recovery, and error reporting. There are currently about 5,000 ANTLR source downloads a month.
# Excel to Code [](https://travis-ci.org/tamc/excel_to_code) excel_to_c - roughly translate some Excel files into C. excel_to_ruby - roughly translate some Excel files into Ruby. This allows spreadsheets to be: 1. Embedded in other programs, such as web servers, or optimisers 2. Without depending on any Microsoft code For example, running [these commands](examples/simple/compile.sh) turns [this spreadsheet](examples/simple/simple.xlsx) into [this Ruby code](examples/simple/ruby/simple.rb) or [this C code](examples/simple/c/simple.c). # Install Requires Ruby. Install by: gem install excel_to_code # Run To just have a go: excel_to_c <excel_file_name> This will produce a file called excelspreadsheet.c For a more complex spreadsheet: excel_to_c --compile --run-tests --settable <name of input worksheet> --prune-except <name of output worksheet> <excel file name> See the full list of options: excel_to_c --help # Gotchas, limitations and bugs 0. No custom functions, no macros for generating results 1. Results are cached. So you must call reset(), then set values, then read values. 2. It must be possible to replace INDIRECT and OFFSET formula with standard references at compile time (e.g., INDIRECT("A"&"1") is fine, INDIRECT(userInput&"3") is not. 3. Doesn't implement all functions. [See which functions are implemented](docs/Which_functions_are_implemented.md). 4. Doesn't implement references that involve range unions and lists (but does implement standard ranges) 5. Sometimes gives cells as being empty, when excel would give the cell as having a numeric value of zero 6. The generated C version does not multithread and will give bad results if you try. 7. The generated code uses floating point, rather than fully precise arithmetic, so results can differ slightly. 8. The generated code uses the sprintf approach to rounding (even-odd) rather than excel's 0.5 rounds away from zero. 9. Ranges like this: Sheet1!A10:Sheet1!B20 and 3D ranges don't work. Report bugs: <https://github.com/tamc/excel_to_code/issues> # Changelog See [Changes](CHANGES.md). # License See [License](LICENSE.md) # Hacking Source code: <https://github.com/tamc/excel_to_code> Documentation: * [Installing from source](docs/installing_from_source.md) * [Structure of this project](docs/structure_of_this_project.md) * [How does the calculation work](docs/how_does_the_calculation_work.md) * [How to fix parsing errors](docs/How_to_fix_parsing_errors.md) * [How to implement a new Excel function](docs/How_to_add_a_missing_function.md) Some notes on how Excel works under the hood: * [The Excel file structure](docs/implementation/excel_file_structure.md) * [Relationships](docs/implementation/relationships.md) * [Workbooks](docs/implementation/workbook.md) * [Worksheets](docs/implementation/worksheets.md) * [Cells](docs/implementation/cell.md) * [Tables](docs/implementation/tables.md) * [Shared Strings](docs/implementation/shared_strings.md) * [Array formulae](docs/implementation/array_formulae.md)
Importance is a Rails engine that allows users to upload Excel and CSV files and interactively map columns to model attributes. It handles files with arbitrary headers by letting users select which columns to import and which to ignore, with support for flexible attribute mapping, batch processing, error handling, and customizable import workflows.
Sinja is a Sinatra extension for quickly building RESTful, {json:api}-compliant web services, leveraging the excellent JSONAPI::Serializers gem for payload serialization. It enhances Sinatra's DSL to enable resource-, relationship-, and role-centric API development, and it configures Sinatra with the proper settings, MIME-types, filters, conditions, and error-handling. There are many parsing (deserializing), rendering (serializing), and other "JSON API" libraries available for Ruby, but relatively few that attempt to correctly implement the entire {json:api} server specification, including routing, request header and query parameter checking, and relationship side-loading. Sinja lets you focus on the business logic of your applications without worrying about the specification, and without pulling in a heavy framework like Rails. It's lightweight, ORM-agnostic, and Ember.js-friendly!
== FEATURES: * Input your data as an array of hashes * Input a report layout, built using a Ruby DSL * Outputs ASCII pivot tables suitable for fast reports * Pretty fast: takes less than a second to process 1,000 records of data by a report with 100 rows and 10 columns. == SYNOPSIS: require 'rubygems' require 'crosstab' data = [{:gender => "M", :age => 1}, {:gender => "F", :age => 2}, {:gender => "M", :age => 3}] my_crosstab = crosstab data do table do title "Q.A Age:" group "18 - 54" do row "18 - 34", :age => 1 row "35 - 54", :age => 2 end row "55 or older", :age => 3 end banner do column "Total" group "Gender" do column "Male", :gender => "M" column "Female", :gender => "F" end end end puts my_crosstab.to_s # => ... Table 1 Q.A Age: Gender ---------------- Total Male Female (A) (B) (C) ------- ------- ------- (BASE) 3 2 1 18 - 54 2 1 1 ----------------------------- 67% 50% 100% 18 - 34 1 1 -- 33% 50% 35 - 54 1 -- 1 33% 100% 55 or older 1 1 -- 33% 50% == JUST THE BEGINNING: * I hope to add in later releases: * New export formats: html, pdf, csv, excel. * More stats than just frequency and percentage: mean, median, std. deviation, std. error, and significance testing * Optional row and table suppression for low frequencies * Optional table rows populating from the data * Optional table ranking -- automatically reorder rows based in descending order based on frequencies observed == REQUIREMENTS: * None
== What's this? {ComicFury}[https://comicfury.com] is an excellent no-bullshit webcomic hosting site created and maintained by the legend Kyo. You should support them on {Patreon}[https://www.patreon.com/comicfury]! {Jekyll}[https://jekyllrb.com] is a highly regarded and widespread static site generator. It builds simple slowly-changing content into HTML files using templates. RageRender allows you to use your ComicFury templates to generate a static version of your webcomic site using Jekyll. You just supply your templates, comics and blogs, and RageRender will output a site that mimics your ComicFury site. Well, I say "mimics". Output is a static site, which means all of the interactive elements of ComicFury don't work. This includes comments, subscriptions, search, and comic management. === But why?! RageRender allows those of us who work on making changes to ComicFury site templates to test our changes before we put them live. With RageRender, you can edit your CSS, HTML templates and site settings before you upload them to ComicFury. This makes the process of testing changes quicker and makes it much more likely that you catch mistakes before any comic readers have a chance to see them. RageRender doesn't compete with the most excellent ComicFury (who's Patreon you should contribute to, as I do!) – you should continue to use ComicFury for all your day-to-day artistic rage management needs. But if you find yourself making changes to a site design, RageRender may be able to help you. == Getting started First, you need to have {Ruby}[https://www.ruby-lang.org/] and {Bundler}[https://bundle.io/] installed. The Jekyll site has {good guides on how to do that}[https://jekyllrb.com/docs/installation/] depending on your operating system. To set up a new site, open a terminal and type: mkdir mycomic && cd mycomic bundle init bundle add jekyll bundle add ragerender --group=jekyll_plugins Now you can add comics! Add the image into an <tt>images</tt> folder: mkdir images cp 'cool comic.jpg' 'images/My first page.jpg' The file name of the image will be the title of your comic page. And that's it, you added your first comic! If you want to add an author note, create a text file in a folder called <tt>_comics</tt> that has the same file name, but with a <tt>.txt</tt> extension: mkdir _comics echo "Check out my cool comic y'all!" > '_comics/My first page.txt' Or use HTML: echo "This is my <strong>first</strong> page!" > '_comics/My first page.html' Generate the site using: bundle exec jekyll build Or start a local website to see it in your browser: bundle exec jekyll serve # Now visit http://localhost:4000! === Customising your site You'll notice a few things that might be off about your site, including that the webcomic title and author name are probably not what you were expecting. You can create a configuration file to tell RageRender the important details. Put something like this in your webcomic folder and call it <tt>_config.yml</tt>: title: "My awesome webcomic!" slogan: "It's the best!" description: > My epic story about how him and her fell into a romantic polycule with they and them status: active genres: - Comedy - Romance defaults: - scope: path: '' values: author: "John smith" theme: ragerender Your webcomic now has its basic information set up. === Adding your layouts If you want to use your own layout code, then create a <tt>_layouts</tt> directory and put the contents of each of your ComicFury layout tabs in there, and then put your CSS in the main folder. The easiest way is to go to your Webcomic Management, click "Edit Layout", then in the box labelled "Useful", click "Download Layout Backup". Pass this file to RageRender, which will <tt>unpack</tt> it for you: bundle exec jekyll unpack mycomic-2025-09-13.cflxml You should end up with a full set of files like: _layouts archive.html blog-archive.html blog-display.html comic-page.html error-page.html overall.html overview.html search.html layout.css Now when you build your site, your custom templates and styles will be used instead. === Adding blogs Add your blogs into a folder called <tt>_posts</tt>: cat _posts/2025-05-29-my-new-comic.md Hey guys, welcome to my new comic! It's gonna be so sick! Note that the name of your blog post has to include the date and the title, or it'll be ignored. === Customising comics and blogs You can add {Front Matter}[https://jekyllrb.com/docs/front-matter/] to set the details of your author notes and blogs manually: --- title: "spooky comic page" date: "2025-03-05 16:20" image: "images/ghost.png" author: "Jane doe" description: "Some spooky mouseover text" keywords: [excellent, comic page, spooky] custom: # use yes and no for tickbox settings spooky: yes # use text in quotes for short texts mantra: "live long and prosper" # use indented text for long texts haiku: > Testing webcomics Now easier than ever Thanks to RageRender transcript: > The transcript contains a machine-readable version of all the text in your comic image. comments: - author: "Skippy" date: "13 Mar 2025, 3.45 PM" comment: "Wow this is so sick!" --- Your author note still goes at the end, like this! === Adding extra pages You can add extra pages just by adding new HTML files to your webcomic folder. The name of the file becomes the URL that it will use. Pages by default won't be embedded into your 'Overall' layout. You can change that and more with optional Front Matter: --- # Include this line to set the page title title: "Bonus content" # Include this line to hide the page from the navigation menu hidden: yes # Include this line to embed this page in the overall layout layout: Overall --- <h1>yo check out my bonus content!</h1> === Controlling the front page As on ComicFury you have a few options for setting the front page of you site. You control this by setting a <tt>frontpage</tt> key in your site config. - <tt>latest</tt> will display the latest comic (also the default) - <tt>first</tt> will display the first comic - <tt>chapter</tt> will display the first comic in the latest chapter - <tt>blog</tt> will display the list of blog posts - <tt>archive</tt> will display the comic archive - <tt>overview</tt> will display the comic overview (blogs and latest page) - anything else will display the extra page that has the matching <tt>slug</tt> in its Front Matter === Comics with custom HTML code You can use custom HTML code in place of an image for your comic page. Instead of creating an image, just create an HTML file in your <tt>images</tt> folder: cat '<video src="/files/my-animation.webm"></video>" > images/1.html === Multi-image comics You can add up to 12 images to each comic page on ComicFury. To do that in RageRender, add each image to an <tt>images</tt> key in your comic page: --- title: "Comic with many pages" date: "2026-04-20 16:20" images: - /images/first.png - /images/second.png - /images/third.png --- === Testing search pages Live search does not work in RageRender, as your site is statically built and can't respond to new data from the browser. However, you can simulate a search when you build the site to help test search results designs. To do that, add a `searchterm` to the search page using defaults in your `_config.yml`: defaults: - scope: path: '' layout: search values: searchterm: "my character" The search that gets performed will be somewhat similar to how ComicFury will search your comic, but may not be exactly the same. === Putting changes on ComicFury Once you're done making changes, you can <tt>pack</tt> your layout: bundle exec jekyll pack The resulting file can be uploaded to ComicFury by going to your Webcomic Management, clicking "Edit Layout", then in the box labelled "Useful", click "Restore Layout Backup". === Stuff that doesn't work Here is a probably incomplete list of things you can expect to be different about your local site compared to ComicFury: - Any comments you specify in Front Matter will be present, but you can't add new ones - Search doesn't do anything at all - Saving and loading your place in the comic isn't implemented - GET and POST variables in templates are ignored and will always be blank - Random numbers in templates will be random only once per site build, not once per page call == Without Jekyll RageRender can also be used without Jekyll to turn ComicFury templates into templates in other languages. E.g: gem install ragerender echo "[c:iscomicpage]<div>[f:js|v:comictitle]</div>[/]" > template.html ruby $(gem which ragerender/to_liquid) template.html # {% if iscomicpage %}<div>{{ comictitle | escape }}</div>{% endif %} ruby $(gem which ragerender/to_erb) template.html # <% if iscomicpage %><div><%= js(comictitle) %></div><% end %> You still need to pass the correct variables to these templates; browse {this unofficial documentation}[https://github.com/heyeinin/comicfury-documentation] or RageRender::ComicDrop etc. to see which variables work on which templates. == Get help That's not a proclamation but an invitation! Reach out if you're having trouble by {raising an issue}[https://github.com/simonwo/ragerender/issues] or posting in the ComicFury forums.
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