Posts (page 128)
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5 min readIn Oracle, the default escape character is used to represent special characters, such as '%' or '_'. By default, the escape character is set to ''.However, you can change the default escape character using the SET ESCAPE command. This command allows you to specify a different character that will be used as the escape character throughout your current session.
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11 min readTo read HTML files automatically generated by Next.js, you can follow these steps:First, make sure you have a basic understanding of HTML structure and syntax.Open the HTML file in any text editor or IDE of your choice.Familiarize yourself with the overall structure of the HTML file. It typically consists of tags like , , and .Start by reading the contents within the tag. This section usually includes metadata, such as the document title, CSS stylesheets, and JavaScript files.
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9 min readTo check the progress of long-running insertions in Oracle, you can use the following methods:Monitoring using the SQL*Plus: Open SQL*Plus and connect to the Oracle database. Execute the following query to view the current SQL statements being executed: SELECT SID, SERIAL#, CONTEXT, SOFAR, TOTALWORK, ROUND(SOFAR/TOTALWORK*100,2) "COMPLETE_PERCENT" FROM V$SESSION_LONGOPS WHERE OPNAME LIKE 'INSERT%' AND OPNAME NOT LIKE '%aggregate%' AND TOTALWORK .
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11 min readTo test Svelte components with Jest, you can follow these general steps:Install dependencies: Start by installing the necessary dependencies. You will need Jest, and you might also require additional tools like @testing-library/svelte or svelte-jester for enhanced testing capabilities. Install them using npm or yarn. Configuration: Create a jest.config.js file in the project root or modify your existing Jest configuration file.
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5 min readTo get data from the package.json file in a Next.js project, you can use the require or import syntax to import the file as an object.Here's an example using the require syntax: const packageJson = require('../package.json'); console.log(packageJson.name); // Accessing the name property from package.json console.log(packageJson.version); // Accessing the version property from package.json And here's an example using the import syntax (requires a compatible version of Node.
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7 min readTo modify an existing function in Oracle, you need to follow these steps:Connect to the Oracle database using an appropriate database client or tool. Once connected, find the function that you wish to modify. You can locate it by querying the database's data dictionary views such as "ALL_OBJECTS". Take a backup of the original function code to maintain a copy of the existing implementation. Use the ALTER FUNCTION statement to modify the function.
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8 min readTo use routes from a submodule in Next.js, follow these steps:Create a subfolder within the pages folder of your Next.js project. This subfolder will represent the submodule and will contain the module-specific routes.Inside the submodule folder, create JavaScript files representing each route of the submodule. For example, if your submodule is called "dashboard", you may have files like index.js, settings.js, or statistics.js, each corresponding to a specific route.
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10 min readImplementing server-side rendering (SSR) in SvelteKit involves a few key steps:Setup: First, ensure you have SvelteKit installed and a basic SvelteKit app set up.Define SSR routes: In your project's root directory, create a src/routes folder if it doesn't exist already. Inside this folder, create a .js file for each route you want to render server-side. These files will handle the server-side rendering for their respective routes.
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7 min readOracle table comments are stored in a system table called "SYS.COL$". This table contains metadata related to columns in a database. Each row in the table represents a column, and the "COMMENT$" column stores the comments associated with each column.When a user adds comments to a table or its columns using the "COMMENT" command, Oracle stores these comments in the "SYS.COL$" table.
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8 min readTo implement a click-away listener in Next.js, you can follow these steps:First, import the necessary modules from Next.js. You will need to use useRef and useEffect hooks from React. import { useRef, useEffect } from 'react'; Create a function component and define a ref using the useRef hook. This ref will be used to track the reference to the element you want to click away from.
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7 min readTo use Svelte with Tailwind CSS, you need to follow a few steps:Start by creating a new Svelte project using your preferred method (e.g., Svelte official template or a build setup like Vite or Rollup). Install Tailwind CSS by running the following command in your project's root directory: npm install tailwindcss Create a tailwind.config.js file in your project's root directory. This file will hold your Tailwind CSS configuration.
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3 min readTo select all columns from a table in Oracle, you can use the following SQL query:SELECT * FROM table_name;In the above query, "table_name" should be replaced with the actual name of the table from which you want to retrieve all the columns.This query retrieves all the columns and their corresponding values from the specified table. The asterisk (*) is a wildcard symbol denoting all columns.