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React Concurrent Mode: Optimizing React Performance

React Concurrent Mode: Optimizing React Performance

React Concurrent Mode is an advanced feature of React designed to make applications more interactive and responsive by improving the way React handles rendering. Instead of rendering updates synchronously (all at once), Concurrent Mode allows React to work on multiple tasks at different priorities and interrupt rendering when necessary. This means React can ensure that the most important parts of the user interface (UI) remain responsive, even when there are large or complex updates happening in the background. Key Features of React Concurrent Mode: Interruptible Rendering: In traditional React rendering (known as synchronous rendering), React completes one task before starting…
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Replace Duplicate Digits in Every 9-digit Number in a Text File with Non-duplicate Ones #eg52

Replace Duplicate Digits in Every 9-digit Number in a Text File with Non-duplicate Ones #eg52

Problem description & analysis Below is text file txt.txt: 853617639 975336865 The text file contains multiple numeric strings. Each string is 9-digit, and strings are separated by white space. We are trying to process each numeric string and output information according to the following rule: If a digit appears repeatedly, replace it with one within 1-9 that has not been appeared before (find the replacement in natural order). Below is the desired result: 853617249 975316824 Solution Write the following script p1.dfx in esProc: Explanation: A1   Read the text file as a string. A2  Split numeric strings into a sequence using…
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Units for Values in CSS

Units for Values in CSS

Values are regularly used in CSS. The are specified sometimes in absolute units and in other times in relative units. CSS provides values for length, angle, frequency and within each CSS supports conversion between the different units of measurement. An understanding of the various units or measurement that CSS supports to allow web developers and designers to work within their comfortable thought space. Below is a list of units supported in CSS. Absolute Units Length cm, mm, Q, in, pt, pc, px Unit Name Equivalent to cm Centimeters 1cm = 37.8px = 1/2.54 of 1in mm Millimeters 1mm = 1/10…
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Why Traditional Bake Times Are Wasteful: Embrace Purposeful Baking with Model-Based Testing

Why Traditional Bake Times Are Wasteful: Embrace Purposeful Baking with Model-Based Testing

Bake times are often seen as a necessary safeguard before deploying changes widely, but they’re an inefficient use of time. Instead of passively waiting for issues to emerge, teams should focus on active validation, like model-based testing in production. The Problem with Bake TimesThe biggest issue with traditional bake times is that they rely on guesswork. There’s no clear, data-driven method to determine how long a deployment should “bake” in production. The timing is arbitrary, often decided by gut feeling or tradition rather than by concrete metrics. Without a well-established method, you’re left hoping that problems will surface during the…
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Alieno Mercury-Combat

Alieno Mercury-Combat

This is a submission for the Web Game Challenge, Build a Game: Alien Edition What I Built I built a Tower-Defense game based on an Alien theme.The aim of the game is to clear all enemies before they arrive at your defenders base(This is the other side of the battlefield). Basically your trying to dominate Mercury but there are life threatening creatures inhabitants and you need to defeat them; you will to gain resources and know what combination of defenders you will use. This game allows for flexible tactics and can be retro. About game Browser compatibility: Desktops and large…
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Indexing in SQL

Indexing in SQL

What are Indexes in SQL? Indexes in SQL are data structures that help speed up the retrieval of rows from a database table. Instead of scanning the entire table for a query, an index allows the database engine to quickly locate the data, similar to how an index in a book helps you find specific content without reading every page. However, indexes come with a trade-off: they can slow down write operations (like INSERT, UPDATE, and DELETE) because the index also needs to be updated when data changes. Types of Indexes in SQL Clustered Index A clustered index defines the…
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How to learn HTML: 46 great sites, courses and books (all free)

How to learn HTML: 46 great sites, courses and books (all free)

How can you learn HTML today? For free? It may be hard to get really good material for free but there are great resources to get you started: To get started HTML for Beginners - introduction from freeCodeCamp. HTML (and CSS) from scratch - video course also from freeCodeCamp. HTML for Beginners - quick guide from HTML.com. The Ultimate Guide to HTML for Beginners - from Hubspot. Learn HTML - course from Codecademy. Teaches the basics. Learn HTML - course from Google. More fundamentals, by Google developer experts. HTML course - from Study Tonight. Free HTML courses at Udemy. Learn…
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Procedure in PLSQL

Procedure in PLSQL

Procedure in PLSQL In PL/SQL, a procedure is a subprogram that performs a specific task and can be called to execute its statements. Procedures can take parameters (inputs and outputs) and are typically used to encapsulate and organize code to perform a specific action, but they do not return values directly like functions. Here’s a basic overview of a procedure:Syntax: CREATE OR REPLACE PROCEDURE procedure_name ( parameter_name [IN | OUT | IN OUT] datatype ) IS -- Declaration section BEGIN -- Executable section -- Code to perform some action END procedure_name; Enter fullscreen mode Exit fullscreen mode IN: Used to…
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Deep Dive: Low Code/No Code Integration Capabilities

Deep Dive: Low Code/No Code Integration Capabilities

Why is the Integration Capability of Low Code Platforms So Important? As more businesses adopt low code (or no code) platforms to accelerate application development, the integration capabilities of these platforms have become a crucial metric. A robust low code integration platform enables businesses to connect various data sources, enterprise applications, and cloud services without altering existing systems, ensuring smooth business processes. Conversely, platforms with weak integration capabilities may hinder efficiency and even increase workload. In this analysis, we’ll explore the integration capabilities of several mainstream low code platforms, focusing on their performance in API interfaces, third-party service integration, and…
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Why is impossible to have a clean architecture inside a frontend project

Why is impossible to have a clean architecture inside a frontend project

The internet is full of videos, courses and articles teaching you to have something like "domain" folders in your frontend project, to create "entities" and everything that would make Uncle Bob fall apart. This little post shows why it's impossible to have a clean architecture in this kind of project. Clean Architecture Clean Architecture is a set of good practices to build a good architecture. It is based on the following principles: Independent of Frameworks Testable Independent of UI Independent of Database Independent of any external agency This post will not gonna dive into them. You can check the original…
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