Posts (page 90)
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5 min readIn Ember.js, you can get input values using the value attribute or the Ember Data model property.To get the input value using the value attribute, you need to bind the input to a property in your component or controller. You can do this by using the {{input}} helper like this: {{input value=myProperty}} In the above example, the myProperty is a property in your component or controller that will store the input value. You can access this value in your JavaScript through this.myProperty.
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5 min readTo change the color of a path in d3.js, you can modify the "stroke" or "fill" attributes of the path element.Select the path element you want to change the color of. For example, you can use the d3.js select() method to select the path element by its ID or class: var path = d3.select("#pathId"); To change the stroke color of the path, use the style() method and set the "stroke" property to the desired color: path.
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6 min readWhen transitioning from an Ember.js controller that handles routing, there are a few important steps to follow:Import Dependencies: Begin by importing the necessary dependencies for your transition. This includes importing the Ember.js router and any other custom or third-party libraries. Get Router Instance: Retrieve the instance of the Ember.js router that handles the routing in your application. You can access this instance by using the getOwner method provided by the Ember.js framework.
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4 min readTo create a definition list using d3.js (Data-Driven Documents), you need to follow these steps:Start by creating an HTML element to contain your definition list. For example, you can create a element: <dl id="definition-list"></dl> In your JavaScript code, select the definition list element using d3.js: const definitionList = d3.select("#definition-list"); Prepare your data as an array of objects, where each object represents a term and its corresponding definition.
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8 min readIn Ember.js, you can use multiple router objects to manage different sections or features of your application. Each router object represents a specific area or functionality of your application. Here's how you can use multiple router objects in Ember.js:Define multiple router objects: Instead of having a single router file, you can create multiple router objects in separate files.
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4 min readTo select the parent div of an SVG element in D3.js, you can use the d3.select() function along with the .node() method. Here is how it can be done: // Select the SVG element var svg = d3.select("svg"); // Get the parent div of the SVG var parentDiv = d3.select(svg.node().parentNode); In the above code, d3.select("svg") selects the SVG element on the page, and .node() returns the DOM element for that SVG. parentNode refers to the direct parent element of the SVG in the DOM tree.
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9 min readAutofocus is a feature in HTML that allows you to set the focus on an input field or element automatically when a page loads. In Ember.js, you can easily utilize autofocus in your templates to bring user attention to a specific input field or element when rendering a page.To use autofocus with Ember.js templates, you need to follow these steps:Identify the input field or element in your template that you want to focus on.
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6 min readIn d3.js, you can wrap long text labels by adjusting the text wrapping behavior. Here's a general approach to achieve this:Select the SVG container where you want to append the text element.Append a text element with the desired content and position it within the SVG container.Define a function to handle the text wrapping. This function will split the text into multiple lines according to a specified width.Call this function on the text element to wrap the text labels.
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6 min readTo build a recursive view in Ember, you can follow these steps:In your Ember project, create a new component for the recursive view. You can do this by running the command ember generate component recursive-view. In the template file of the newly created component (recursive-view.hbs), define the structure of your recursive view. This could include HTML tags, Ember components, or handlebars expressions.
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7 min readIn D3.js, you can reuse variables in a selection by chaining multiple operations together. This allows you to perform multiple actions on the same selection without having to reassign variables.Here is an example of how you can reuse variables in a D3.js selection: // Select the 'circle' elements in the SVG var circles = d3.selectAll("circle"); // Update the radius of the circles circles.attr("r", 10); // Change the fill color of the circles circles.
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4 min readTo connect a controller to a view in Ember.js, you follow the convention set by the framework. Here's how you can do it:Create a controller: Start by creating a controller file for your view. In Ember.js, controllers act as the link between the model and the view. You can define a controller using the Ember CLI command ember generate controller . This command generates a JavaScript file for your controller. Associate the controller with a route: By default, Ember.
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6 min readTo increase the tick label width in d3.js axis, you can modify the CSS style of the tick label elements or adjust the scale of the axis. Follow these steps to achieve this:Select the tick label elements using D3's selectAll method. For example, if you want to increase the width of the x-axis tick labels: d3.selectAll(".x-axis .tick text") Modify the CSS style of the tick labels using the style method. You can increase the width property to achieve the desired width.