Questions tagged [coffeescript]
A cutting-edge coding language that seamlessly converts into JavaScript. Utilize this specific tag for inquiries related to programming with the revolutionary CoffeeScript syntax.
Trying to locate Employees who are engaged in multiple Job roles, I have set up three select boxes that dynamically adjust their options. The problem arises when my CoffeeScript file only triggers once. After the initial selection and rendering of the part ...
I have a collection of "widgets" with both client and server-side .coffee files (client representing Backbone.js model/view and server corresponding to ExpressJS routes), all organized within the main project directory: my-node-expressjs3-project/ src/ ...
Hey there, I'm new to Coffeescript and have a question regarding Ajax. jQuery -> api = getId: -> res = [] $.ajax dataType: "jsonp" url: "http://localhost:3004/videos.json" success: (data) => ...
Recently, I've been experimenting with coffeescript, express, and passport. However, there are some aspects of the language that I'm having difficulty grasping. Could someone please clarify what is happening in this scenario? When I define the passport.s ...
Initially, I believed that my code was clever for accomplishing this task: someFunction = (arg1, arg2, arg3) -> if _.some(arguments, (a) -> a is undefined) throw new Error "undefined parameter" My goal was to throw an error if any of the para ...
I am currently calling the update action of the User controller using a form with remote: true. I would like to display the updated user HTML in the view, so I have included this code in the controller: def update @user = User.find(params[:id]) respon ...
Currently, I am in the process of parsing a DBF file. Here is an example snippet from the file: "{"srCode":"EUCRDCTN","accountCode":"","priceList":"EUCN","discount":null,"termDays":30}" "{"srCode":"","accountCode":"MEN006","priceL ...
For those with more programming experience than myself, I have a simple question. In Rails, using coffescript, I want to show additional content based on a user's selection. Essentially, if they click on a checkbox, it should reveal an extra field for ...
I'm struggling to navigate through nested JSON and Coffeescript. The structure of my JSON data is as follows: { "top-level": { "first_array": [y1,y2,y3...], "second_array: [y1,y2,y3...]... etc } My goal is to convert each array into a two-dimens ...
In starting my new project, I am considering using BabelJS. However, there is a significant requirement that must be met: it needs to be compatible with IE8. ISSUE: Babel compiles ES6 to ES5, but the support for ES5 on IE8 is lacking. Are there any alter ...
After the page loads, I encounter a 404 error because the $resource is returning nil for :city_id. I am new to angularjs so any help in explaining this would be greatly appreciated. I am having trouble making the form entries persist because the same $res ...
Can you help me understand why this code is working fine in CodePen, but not on my HTML page? I'm unable to identify the error that may have occurred. Any assistance would be greatly appreciated! I suspect there's an issue with connecting some jQ ...
Currently working on a project using express.js, here's a snippet from my app.coffee file: ### Module dependencies. ### express = require("express") routes = require("./routes") user = require("./routes/user") http = require("http") path = require("path") ...
Currently, I am following the PeepCode video tutorial on Backbone.js, but I am rewriting all the code in CoffeeScript instead of plain JavaScript. Everything is going well so far, except when I attempt to run Jasmine tests on the code, I encounter some Ty ...
It's common knowledge that Rails 3.1 utilizes CoffeeScript and JQuery. In the past, I would handle AJAX requests by responding to a template named some_action.js.erb Now with CoffeeScript available, I want my templates to be able to use CoffeeScript synt ...
Having trouble extracting the full_name value from an array using CoffeeScript. Despite extensive research on Stack Overflow and CoffeeScript's docs, I haven't been able to solve it. Here is my current code. Can someone help me identify what's incorrect? ...
One feature I'm working on involves an input field within a form where users can update their name by clicking a button. The goal is to capture this change in the input field using Ajax and update it accordingly. Here's the HTML code snippet: <p id="n ...
Today marks my first attempt at creating a "answer your own question" post, so I hope I am on the right track. The burning question in my mind was, "Is there a more efficient way to generate HTML with jQuery rather than using tag strings?" My goal is to c ...
Below is the snippet of code I am using to store extra properties in a model (specifically, the answer model) selectMedia: => # Post media to server @options.answer.id = @options.answer.get('_id') @options.answer.url = "/v1/answers/#{@o ...
After stumbling upon CoffeeScript in a blog post, I was excited to try it out. My first attempt at using it involved this code snippet: alert "Hello CoffeeScript!" Unfortunately, it didn't work as expected and produced the following error message: ...
Recently, I came across a JSF (web JavaScript application) that interacts with a MongoDB database and creates a report in PDF format using the JasperReports Library through a .java file. I am curious if it is feasible to achieve similar functionality with ...
I'm struggling to understand how to make this work. My goal is to set up Hubot to automatically call a function at regular intervals in a specific HipChat channel. Currently, I have it working by requiring the user to type "Hubot totalviewers" in the ...
After conducting a thorough search for the error, I came across some useful hints which unfortunately did not help in resolving the issue. Many of the queries raised were related to an invalid JSON response. The problem arises when making an Ajax request ...
I am interested in creating my package.json and bower.json files using CoffeeScript. Even though I am using Gulp, I am still quite inexperienced when it comes to writing Gulp tasks. Is there a way for NPM and Bower to read CoffeeScript configuration file ...
I've been experimenting with the Bulk update API in MongoDB 3.0.4 using Node.js when I encountered an unexpected error. It seems that whenever I use operators like $and or $ne, I get the error message shown below. However, simple queries appear to work wit ...
Currently, I am utilizing the powerful GruntJS in combination with grunt-contrib-coffee, and I must say it works exceptionally well! The addition of the Watch plugin has only enhanced its functionality. However, I have encountered a dilemma: In my project ...
Currently, I am attempting to follow the steps outlined in this CoffeScript tutorial. After opening the terminal and navigating to the directory where simpleMath.coffee is located, I proceeded to run node and entered var SimpleMath = require('./simpleMath ...
Is there a way to utilize a local version of a module in node.js? For instance, after installing coffee-script in my app: npm install coffee-script By default, this installation places coffee-script in ./node_modules, with the coffee command located at . ...
I have a hunch that the issue is related to the CSS, or perhaps it could be due to including the parallax JavaScript library. You can view the site at Below is the SASS code snippet: @import "compass/css3"; /* Sticky footer styles ---------------------- ...
After integrating Passport for Facebook login on my website, I'm facing an issue where the callback from Facebook always redirects to the failureRedirect URL even though I receive all the data and valid tokens from Facebook. Any suggestions or insights i ...
I have a controller defined like this: angular.module('myApp') .controller 'DetailController', ($rootScope, $scope, $routeParams, apiService) -> onStart = () -> fetchData() getAdditionalData() # more functions are defined here ...
I am working on an application that utilizes Rails 4.1 and Ruby 2.1.2. The show.html.erb view for the Assignment Model in this application is as follows: <h1><%= "#{'Source URL'}"%> <div class="source-url"><%= @assignment.source.url % ...
I came across this code snippet: $(document).on('click', '#clear-button', clearCalculatedPrice) clearCalculatedPrice = -> $('#price_rule').removeAttr('data-original-title') $('#calculated-price').removeAttr('data-original-title') $('#calcu ...
I have a function that works perfectly, but I need to add six more buttons without repeating code. I want each callback to be customizable, with different text for each scenario (e.g. displaying "Please Log In" if the user is not an admin). How can I make ...
When utilizing Angular and Coffeescript, the following code snippet functions as expected: angular.module 'someApp' .factory 'someFactory', ($timeout) -> new class SomeClass constructor: -> @humans = 1 findHuman: -> $timeou ...
I'm a beginner in Coffeescript and I'm facing a challenge with resolving an issue. Currently, I have a JSON object stored in a variable. Can somebody guide me on how to loop through the keys in the JSON object to show both the key name and its correspondin ...
Here's a unique challenge I'm facing. I've developed a sidebar component called SortableStopView that extends CollectionView. This sidebar contains a scrollable and sortable list of 'stops' which users can click on to navigate to t ...
When using CoffeeScript, even though the code is very similar to JavaScript: tabs_html = "<div id='nm-container'><ul><li><a href='#tabs-1'>Guidelines</a></li><li><a href='#tabs-2'& ...
Recently, I've been delving into Coffeescript for my web application, but I'm encountering a frustrating issue. The methods are not being called until I manually reload the page. I suspect that the missing piece may be the $(document).ready(func ...
Is there a way to retrieve the original message that Hubot receives and responds to? I attempted to access message and @message but encountered errors when trying. I am looking for something like: robot.respond /test/, (msg) -> msg.send msg.the_mes ...
I am working with a 3x3 table that contains td elements with unique id's (id='a1'...id='c3'). I want to enable the user to click on any of these 9 td elements and receive an alert displaying the id of the clicked td. Below is my Coffeescript code (found i ...
Can you explain the distinction between these two code snippets: var NodestrapGenerator = module.exports = function NodestrapGenerator() { yeoman.generators.Base.apply(this, arguments); // more code here }; and: var NodestrapGenerator = module.expor ...
I'm attempting to use a click function to alter the CSS code and then run a function. Here is my current code: ready: -> $("#titleDD").click -> $("#titleDD").css('text-decoration', 'underline'); $("#catDD").css( ...
Can Ajax post requests be made in Rails without using remote helpers? I am attempting to achieve this with the following code (including the coffeescript below). However, when I try to submit the form, I encounter an ActionController::UnknownFormat error ...
Within my code, I have a controller responsible for fetching data asynchronously. This data is then used by a directive in the application. Unfortunately, there seems to be an issue with the directive not displaying the fetched data properly. Interestingl ...
I've been struggling to transition from using Codekit v1.9.3 to webpack. My initial plan was to switch to Grunt and Gulp, but then I discovered webpack which seemed really interesting. Unfortunately, I'm having trouble getting it set up correctly ...
At this very moment, my automated Hubot assistant is functioning properly. When I send the following message via direct message to the robot in Slack: qbot !npm bower The response provided by the robot contains a link: https://www.npmjs.com/package/bowe ...
During the process of updating my app to utilize UI.Router's state.resolve in order to streamline some controller logic, I encountered a common issue: How can one prevent code duplication that occurs when fetching dependencies in resolved assets and u ...
After setting up the project environment and successfully installing grunt, I attempted to run grunt in the terminal which resulted in the following output: https://i.stack.imgur.com/4xnll.png I proceeded to follow the steps. Running grunt build --env ...
Currently working on my debut app using express.js and coffeescript. Want to take a look? Find the code here: https://github.com/findjashua/contactlist However, upon attempting to run it, I encountered the following error: /Users/jashua/local/lib/node_mo ...
I am currently troubleshooting some code that was not written by me, and I am facing challenges in understanding why an Ajax return is not triggering a Callback. The following code is responsible for attaching behaviors to the ajax functions: # Callback ...
I find myself in a rather unique situation that I haven't encountered before, and I'm struggling to find relevant information on how to handle it. So, I decided to seek advice here in hopes of sparking a productive discussion on the matter. Currently, I a ...
Is it possible to configure VSCode for debugging Mocha tests when running them through a test script? Here is the current setup: The "test" configuration in the project's package.json file specifies the mocha command to execute (mocha -R mochawesome -s 3 ...
How can I automatically log the user_id and method name of every method called within a javascript class without adding logger statements to each method? This would allow me to easily track and grep for individual user activity like in the example below: ...
When working with node.js, it is a common convention to return an error message as the first argument in a callback function. While there are several JavaScript solutions (such as Promise, Step, seq, etc) that address this issue, none of them seem to be co ...
As a newcomer to the world of node.js and asynchronous programming, I have successfully used promises to read files with fs readFile, but I am struggling with getting zlib Gunzip to function as expected in my Coffeescript code: promisifyRun(fs, 'readFi ...
Setting up a new server using the following repository - https://github.com/surespot/web-server. I have successfully installed node.js, npm, CoffeScript, and all required dependencies. apt-get install nodejs npm npm install -g <a href="/cdn-cgi/l/email ...
In my view, I have two select boxes - one for companies and the other for employees. Both have a blank option. When a company is selected, it populates the list of employees based on that company. Everything was working fine until I encountered an issue. ...
Attempting to redirect the page after a successful ajax call, the code below is functional: $.ajax( { type: "POST", url: path, data: response1, contentType: "application/json", success: -> window.lo ...
Currently in the process of transitioning old code to Webpack and encountering some issues... Utilizing a dependency loader in TypeScript import "baconjs/dist/Bacon.js" And a module in CoffeeScript @stream = new Bacon.Bus() Upon running the code, I en ...
I am attempting to extract specific JSON values for particular keys from a JSON structure. I have made the following attempt: var jsonstring; jsonstring = JSON.stringify(myjsonObjectArray); alert(jsonstring);//displaying the JSON structure below jsonstri ...
When it comes to this question, there appear to be two possible solutions: $scope.cancel = -> location.reload() or: $scope.cancel = -> $route.reload() The first option works effectively, however, it involves a full GET reques ...
I am having some trouble with opening a bootstrap modal using the $timeout function. The issue I am facing is that the modal keeps opening multiple times as the timeout fires repeatedly. Any assistance or suggestions on how to resolve this problem would be ...
I have been working on creating a Coffeescript function that incorporates common HTML for an object that is frequently used on my page. To make the content dynamic, I am passing a variable to the function which will be replaced each time it is called. Unfo ...
Here is an example snippet: gulp.task "coffee", -> gulp.src("src/server/**/*.coffee") .pipe(coffee {bare: true}).on("error",gutil.log) .pipe(gulp.dest "bin") gulp.task "clean",-> gulp.src("bin", {read:false}) .pipe c ...
I'm experiencing an issue where I am unable to compile my CoffeeScript files. No matter which file I attempt to compile, I consistently receive the same error message. I have already tried uninstalling CoffeeScript by running sudo npm remove --global ...
Attempting to retrieve an encrypted image file from Amazon S3 using a presigned link with AJAX is resulting in a jumble of gibberish image data. $(document).on 'click', '.js-download', (event) -> event.preventDefault() $.ajax t ...
I'm struggling to understand how to use Protoype in CoffeeScript, even though I am familiar with using it in standard Javascript with Node.js and modules. Imagine I have a file named mymodule.coffee: Module = {} class MyModule constructor: (parameter ...
As I work on developing an Angular Frontend for an existing Rails Application, I have come across the challenge of integrating $q in my current setup. While I understand that transitioning to a REST API served directly to ngResource would be ideal, the com ...
Looking for a solution to avoid nested callbacks in the following code: app.get '/performers', (req, res) -> conductor = require('models/conductor').init().model soloist = require('models/soloist').init().model ...
I am currently working on a Node script that involves using the child_process module in order to run a Selenium server with PhantomJS's GhostDriver. I have imported the module: Child = require "child_process" This is how I am attempting to start the ...
I need assistance with this particular code and .cscc .messages{ width:95%; height:200px; overflow:auto; } .message{ width:98%; &:hover{ background: #d6d6f0; cursor: pointer; } } .message-author{ float:left; } .message-date{ ...
I am facing a challenge in deleting a file or folder based on a path that does not include an extension. Consider the path below: /home/tom/windows The name windows could refer to either a folder named windows OR a file named windows.txt Given that the ...
Looking to accomplish a straightforward task using CoffeeScript, Rails, and Haml. While I don't have much experience with CoffeeScript, I'm eager to experiment. The goal is to have the view scroll to a specific div id when a button is pressed. At the top ...
Wondering how to ensure that the click handler is always attached in my Rails 4.1 app where I am using JQuery-ujs to update cells in a table within the comments#index view. In my comments.js.coffee file, I have the following code snippet: jQuery -> ...