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5 min readTo create a new Kotlin project using the command line interface (CLI), you can use the kotlin command along with the new subcommand. Simply open your command prompt or terminal window and type kotlin new <project-name>, replacing <project-name> with the desired name for your project. This will generate a new Kotlin project in the current directory with the specified name. You can then navigate into the project directory and start working on your Kotlin code.
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6 min readTo create stacked bar charts in D3.js, you can use the D3.js library to dynamically generate the visualizations in your web application. Stacked bar charts display multiple data series in a single bar, with each dataset stacked on top of the previous one.To create a stacked bar chart in D3.js, you will first need to set up your HTML file with the necessary elements and include the D3.js library. Then, you can use D3.
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4 min readTo use variables in HTML, you can use a templating engine such as Mustache or Handlebars to inject values into your HTML code dynamically. This allows you to easily update and manipulate content without having to manually edit HTML files.To send an email via bash, you can use the mail command in the terminal. For example, you can use the following command to send an email: echo "This is the body of the email" | mail -s "Subject of the email" recipient@example.
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4 min readIn Kotlin, you can pass a class as a function parameter by using the KClass type. The KClass type is a Kotlin built-in representation of a class or a type. To pass a class as a function parameter, you can define the function parameter with the KClass type followed by the name of the class you want to pass.For example, if you want to pass the Person class as a function parameter, you can define the function like this: fun printClassName(clazz: KClass<*>){ println(clazz.
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7 min readTo create a donut chart in D3.js, you can start by defining the size and layout of your SVG container. Include the necessary D3.js script in your HTML file and select the SVG container using D3.js.Next, you will need to create the data array that will be used to represent the different sections of the donut chart. This data should include a value and label for each section.To actually create the donut chart, you can use D3.js functions such as 'd3.
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3 min readTo print JSON in a single line from a bash script, you can use the jq command along with the -c flag.For example: echo '{"key": "value"}' | jq -c This will output the JSON in a single line. You can also use this in a script by assigning the JSON to a variable and then printing it.[rating:9dc92ecc-3434-41a9-a966-6a0e94614b0e]How to pretty print json in bash script?You can use the jq command in your bash script to pretty print JSON.
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5 min readTo get the exact type of a parameter in Kotlin, you can use the ::class syntax to retrieve the class of the parameter or the javaClass property to get the Java class of the parameter. You can then use the simpleName property to get the name of the class as a String. This way, you can determine the exact type of a parameter at runtime in Kotlin.[rating:5c241908-e13b-494b-ac73-26ced6913ab0]What is the significance of smart casts in Kotlin.
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4 min readIn D3.js, you can add labels to elements by selecting the elements using the select() function, and then adding text elements using the append() function. You can position the labels using the 'x' and 'y' attributes, and style them using CSS properties like 'fill', 'font-size', and 'font-family'. Labels can also be added dynamically by binding data to elements and setting the text content using the text() function.
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2 min readTo replace all linefeeds with "\n" in bash, you can use the tr command. Here is an example of how you can achieve this: tr '\n' '\\'n' < inputfile.txt > outputfile.txt This command reads the content of inputfile.txt, replaces all linefeeds with "\n", and writes the modified content to outputfile.txt. You can adjust the filenames to match your specific needs.
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4 min readTo add a calendar header in Kotlin, you can create a custom view or modify an existing calendar library. You can add a TextView or any other view at the top of the calendar layout and set the text to display the current month and year. You can also customize the header by changing the font, text color, background color, and other styling properties to match the design of your app. Lastly, you can add click listeners or gestures to allow users to navigate to previous or next months.
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5 min readTo create multi-series charts in D3.js, you need to first define the data for each series you want to display. This data should be structured in an array format, with each element representing a series and containing the data points for that series.Next, you will need to set up the scales for your x and y axes, as well as decide on the layout and positioning of your chart elements. D3.