Author: pw

How to Use the AddTime Function The ADDTIME function is a powerful tool used in database management systems like MySQL and MariaDB to add a specific time interval to a given time or datetime value. Whether you are calculating shipping delivery times, updating appointment schedules, or adjusting timestamps for different time zones, mastering this function is essential for efficient data manipulation.

Here is a comprehensive guide on how to effectively use the ADDTIME function in your queries. Understanding the Syntax The basic syntax for the function is straightforward: ADDTIME(expression1, expression2) Use code with caution.

expression1: The base time or datetime value you want to modify. This can be a literal string (e.g., ‘12:00:00’), a datetime string (e.g., ‘2026-06-03 12:00:00’), or a database column.

expression2: The time interval you want to add to the first expression. This must be formatted as a time string (‘hh:mm:ss’ or ‘hh:mm:ss.ffffff’). Basic Usage Examples 1. Adding Time to a Simple Time Value

If you want to add 2 hours, 30 minutes, and 15 seconds to a specific time, you format your query like this:

SELECT ADDTIME(‘10:00:00’, ‘02:30:15’); – Output: ‘12:30:15’ Use code with caution. 2. Adding Time to a Datetime Value

The function seamlessly handles full datetime stamps. If adding the time pushes the clock past midnight, the function automatically increments the date.

SELECT ADDTIME(‘2026-06-03 23:00:00’, ‘02:00:00’); – Output: ‘2026-06-04 01:00:00’ Use code with caution. 3. Adding Large Time Intervals

The second argument is not restricted to a standard 24-hour clock. You can add hundreds of hours at once if needed.

SELECT ADDTIME(‘12:00:00’, ‘48:00:00’); – Output: ‘60:00:00’ (or adjustments to the date if used on a datetime value) Use code with caution. 4. Subtracting Time

While the function is named “Add” time, you can subtract time by passing a negative value as the second argument.

SELECT ADDTIME(‘12:00:00’, ‘-02:00:00’); – Output: ‘10:00:00’ Use code with caution. Microsecond Precision

For highly precise tracking—such as logging server events or financial transactions—ADDTIME supports fractional seconds up to six decimal places (microseconds).

SELECT ADDTIME(‘12:00:00.000000’, ‘00:00:02.123456’); – Output: ‘12:00:02.123456’ Use code with caution. Common Practical Use Cases

Calculating Expiration Windows: For a system where a temporary login token expires exactly 15 minutes after generation, you can query ADDTIME(created_at, ‘00:15:00’).

Dynamic Database Updates: You can update existing records dynamically. For example, delaying a scheduled broadcast by 30 minutes:

UPDATE broadcasts SET air_time = ADDTIME(air_time, ‘00:30:00’) WHERE status = ‘pending’; Use code with caution. Important Considerations

Data Types: If expression1 is a valid datetime, the output is a datetime. If expression1 is a time string, the output is a time string.

Null Values: If either argument passed into the function is NULL, the function will return NULL.

Invalid Formats: Passing an incorrectly formatted time string into the second argument will result in NULL or unexpected behavior. Always stick to the ‘hh:mm:ss’ format. To help tailor this information, please let me know:

Which database system are you using? (MySQL, MariaDB, SQL Server, etc.)

Route 66 Travel Guide: Historic Stops, Maps, and Local News The year 2026 marks the historic 100th anniversary of Route 66, the legendary 2,448-mile highway spanning from Chicago, Illinois, to Santa Monica, California. Affectionately known as the “Mother Road”, roughly 85% of the original highway remains drivable today, serving as the ultimate cross-country Americana road trip. As local communities across eight states roll out massive centennial celebrations, this travel guide covers the most iconic historic stops, essential geographic checkpoints, and critical real-time local updates for your 2026 itinerary. 🗺️ Visualizing the Journey: The Eight-State Highway

The continuous trail cuts across three time zones and connects small whimsical towns with sprawling urban landscapes. While travelers can no longer follow a single unbroken highway, modern interstates (like I-55, I-44, I-40, and I-15) bridge the original gaps.

How to Plan an Epic Route 66 Road Trip | Travelling With Nikki

The term “preview file” generally refers to one of two things: a temporary cache file generated by software to help your computer render complex data smoothly, or a lightweight snapshot used to view content without opening its source application.

The exact definition depends entirely on the context of the workflow. Video Editing (e.g., Adobe Premiere Pro)

In video production, preview files are temporary media files generated when a timeline is rendered. Preview files Explained in Adobe Premiere Pro

Three-dimensional reconstruction of smoke flow fields using …

… AIP Publishing Portfolio, Physics of Fluids. Search. Advanced Search |Citation Search. Open figure viewer. In fields such as a… AIP Publishing

A new model on simulating smoke transport with computational fluid …

But doing this would not give a real physical picture of smoke. Smoke can be visualized as small solid or liquid particles resulti… ScienceDirect.com Smoke flow phenomena and turbulence characteristics of …

This work aims to provide evidence justifying the use of gravity current approach to model smoke flows downstream of the fire sour… ScienceDirect.com

The physics of smoke bridges chemistry and fluid mechanics, governing how unburnt matter is created via incomplete combustion and transported through the laws of fluid dynamics. Smoke is not merely a gas; it is a complex aerosol consisting of tiny unburnt carbon particles, ash, volatile organic compounds, and microscopic tar droplets suspended within a hot gas mixture. Because gases behave as fluids, smoke follows the exact same mechanical principles as flowing liquids, creating distinct macroscopic visual patterns like vortices, plumes, and waves. The Combustion Phase: How Smoke Generates

Smoke begins with a chemical breakdown before any flame is visible.

Pyrolysis: High heat causes solid or liquid fuels to decompose chemically without oxygen. This stage releases flammable volatile gases and heavy hydrocarbon tars.

Incomplete Combustion: If a fire lacks a sufficient supply of oxygen or exhibits low heat, the fuel cannot oxidize fully into harmless carbon dioxide and water vapor.

Soot Formation: Leftover carbon atoms from unburnt fuel aggregate into microscopic solid spheres. These particles form the visible soot that characterizes thick smoke.

Visual Identifiers: Firefighters read smoke profiles to diagnose a fire’s state; thin, light smoke signals early smoldering or pyrolysis, while dense, rapid, jet-black smoke signifies a highly pressurized, well-ventilated, full-combustion flame. The Fluid Dynamics Phase: How Smoke Moves

Once generated, smoke behaves as a compressible fluid driven by environmental forces.

Thermal Buoyancy: Hot combustion gases have a significantly lower density than the surrounding cool air. This density differential creates an upward lifting force.

Plume Mechanics: The rising smoke column forms an inverted cone called a plume. As it ascends, it experiences “entrainment,” dragging in cooler surrounding air, which expands the plume and cools the core gases.

Ceiling Jets: When a plume strikes a solid boundary like a ceiling, it can no longer rise. Its vertical momentum transforms into radial horizontal momentum, creating a fast-moving, stratified “ceiling jet” layer.

Liquid Behavior: In a perfectly still room with zero ambient drafts, smoke will drop its turbulent properties and flow smoothly. It mimics a liquid pouring down surfaces because its suspended heavy particles track internal pressure gradients and gravity currents. Engineering Applications

Understanding smoke physics is critical for safety design and predicting environmental impacts. Engineers heavily utilize Computational Fluid Dynamics (CFD) software, such as the National Institute of Standards and Technology’s (NIST) Fire Dynamics Simulator (FDS), to numerically solve the Navier-Stokes equations. These mathematical simulations compute how toxic smoke will spread through skyscrapers, tunnels, or urban spaces. This data allows engineers to place smoke exhaust systems safely above human head-height during emergency evacuations.

If you would like to explore further, let me know if you want to dive into how firefighters read smoke, look at the mathematics behind the Navier-Stokes equations, or explore how wildfires interact with wind. AI responses may include mistakes. Learn more

Fire modelling: The success, the challenges, and the dilemma from …

2. Physics based sub-models2.1. Sub-models for combustion. A range of combustion models has been developed/used for fire simula… ScienceDirect.com

Three-dimensional reconstruction of smoke flow fields using …

… AIP Publishing Portfolio, Physics of Fluids. Search. Advanced Search |Citation Search. Open figure viewer. In fields such as a… AIP Publishing

A new model on simulating smoke transport with computational fluid …

But doing this would not give a real physical picture of smoke. Smoke can be visualized as small solid or liquid particles resulti… ScienceDirect.com Smoke flow phenomena and turbulence characteristics of …

4.1. Flow structures * The flow structure in tunnel fires is very interesting from the perspectives of fluid mechanics. Many impor… ScienceDirect.com Smoke flow phenomena and turbulence characteristics of …

This work aims to provide evidence justifying the use of gravity current approach to model smoke flows downstream of the fire sour… ScienceDirect.com The Slow Mo Guys) #buoyancy #combustion #fire #flame # …

Many viewers assume smoke behaves completely differently from liquids. The truth is that smoke is a fluid, so it follows many of t… Instagram·fyfluiddynamics

Computational Fluid Dynamics of Compartment Fires: A Review of …

3.3. 2. Pyrolysis. Since a flame is categorized in the gas phase, liquid and solid fuels must be converted to the gaseous form in … Smoke Plume Dynamics | Springer Nature Link

Smoke plume dynamic science focuses on understanding the various smoke processes that control the movement and mixing of smoke. A … Springer Nature Link

022 – Combustion, fluid mechanics and fire safety engineering …

Ignition at different slope angles. Firebrand spotting. Fire whirls. What does connect these various fire phenomena? They are all … Fire Science Show

022 – Combustion, fluid mechanics and fire safety engineering …

Apple Podcasts podcast player icon Spotify podcast player icon · Season 1Wildfires, WUI And WindFire Science, Engineering And Educ… Fire Science Show

ON THE FLUID MECHANICS OF FIRES %$; .:.> ~~,% ::’:. – OSTI

Reacting Buoyant Plumes Unlike boundary layer studies in fires, plume studies are primarily steady state. When the gravity vector … OSTI (.gov) Thermo-Fluid Dynamics Analysis of Fire Smoke Dispersion …

In a fire, as the materials undergo combustion, they release hot smoke that, being lighter than ambient air, moves vertically upwa… Thermo-Fluid Dynamics Analysis of Fire Smoke Dispersion …

In a fire, as the materials undergo combustion, they release hot smoke that, being lighter than ambient air, moves vertically upwa…

(PDF) Understanding Fire and Smoke Flow Through Modeling …

The ignition of fires in urban environments due to seismic shocks is a phenomenon that has been studied for a long time in literat… ResearchGate

(PDF) Understanding Fire and Smoke Flow Through Modeling …

Computer modeling and visualization are important tools for understanding the processes of fire behavior. Fire models range in com… ResearchGate Basic Fire Dynamics – What You Need to Know – Telgian

Most people associate smoke with fire. If you see billowing smoke in the distance, it’s safe to assume there may be a fire somewhe… Basic Fire Dynamics – What You Need to Know – Telgian

5. Smoke. Most people associate smoke with fire. If you see billowing smoke in the distance, it’s safe to assume there may be a fi…

(PDF) Thermo-Fluid Dynamics Analysis of Fire Smoke Dispersion …

models used by the FDS software. … ISIS CODE [32–34]. … efficient smoke exhaust. … rapidly when the burner is located in the c… ResearchGate How CFD Modelling Predicts Fire Behaviour – Lote Consulting

This article breaks down how CFD works, why it’s important in performance-based fire engineering design, and how it helps us make … Lote Consulting Fluid Dynamic Aspects of Room Fires

depth and more inclusive and detailed discussions of all or selected examples of these processes are given in Rocket (1975), Emmon… International Association for Fire Safety Science

Mind-blowing physics in action! Watch as smoke transforms into a …

Smoke Behaves Like a Liquid in Still Air 😳💨 In perfectly still air, smoke flows and curls just like a liquid. That’s because gas… Instagram·unseen.journey_7 What is smoke? – Science Learning Hub

Smoke is a collection of tiny unburnt particles – very small carbon particles and tiny droplets of tar. Rights: Scion. Smoke occur… Science Learning Hub

Reading Smoke Signals: How Firefighters Use … – BME Fire Trucks

“An experienced fire officer looks away from the light.” Know the four characteristics of smoke: volume, color, velocity and densi… BME Fire Trucks

Baseliner for Chrome is a powerful extension built for web designers and front-end developers [1, 2]. It overlays a customizable grid on top of web pages [1, 2]. This tool ensures perfect vertical alignment and typographic harmony across any website layout [1, 2]. What is Baseliner?

Baseliner is a lightweight Google Chrome extension [2]. It acts as a digital ruler for web development [1, 2]. Users can generate a horizontal baseline grid over any live webpage with one click [1, 2]. Key Features

Custom Grid Dimensions: Change pixel height to match your specific typographic scale [1, 2].

Color Customization: Modify grid line colors and opacity for better visibility against dark or light website themes [1, 2].

Baseline Offset: Shift the grid up or down vertically to align perfectly with your header elements [1, 2].

Keyboard Shortcuts: Toggle the grid overlay on and off instantly without opening the extension menu [1].

Targeted Application: Apply the grid to the entire document or strictly to specific HTML elements [1, 2]. Why Vertical Rhythm Matters

Web design relies heavily on alignment to look professional. A baseline grid establishes a consistent vertical rhythm. It ensures that text, images, margins, and padding align to a unified mathematical scale. This consistency reduces visual noise, improves text readability, and creates a polished, cohesive user experience. How to Use It Download Baseliner from the Chrome Web Store [2]. Click the extension icon on your target webpage [2]. Input your desired grid height in pixels [1, 2].

Adjust the offset and color to fit your design layout [1, 2].

Press the toggle button to check your alignment work [1, 2]. If you would like to expand this article, let me know: Your target word count

The target audience (e.g., absolute beginners or advanced developers) Any specific use cases you want included

I can tailor the depth and technical details to fit your exact needs.

Axogon Mutator (also known as aMutator) was a classic, lightweight utility that generated abstract, mathematical video loops via randomized mutations, making it a quick tool for VJs, chroma-key backdrops, and texture generation. However, the modern visual effects (VFX) pipeline has evolved far beyond basic math-art rendering. Modern artists require deeper procedural tools, node-based flexibility, and AI-accelerated rendering engines.

The top 5 modern alternatives that capture Axogon’s core spirit of algorithmic, automated, and procedural asset creation—but upgraded for modern professional production—include the following platforms:

1. Cavalry (Best for Procedural & Algorithmic 2D Motion Graphics)

Cavalry is the closest spiritual successor to Axogon’s mathematical loop philosophy, built explicitly for modern 2D and 2.5D design.

The Axogon Connection: It relies heavily on procedural generation, math shaders, and generative duplicators to build complex visual systems from scratch.

Why it’s better for modern artists: Unlike Axogon, which relies entirely on random generation, Cavalry gives artists meticulous node-based control over data arrays, physical simulation behavior, and live external data feeds. It is exceptionally efficient for UI design, generative pattern art, and real-time looping exports.

2. ComfyUI (Best for Node-Based Generative AI & Texture Loops)

For artists who loved hitting Axogon’s iconic “Randomize” button to spark instant visual inspiration, ComfyUI has become the contemporary equivalent in the VFX industry.

The Axogon Connection: It functions as a rapid ideation and “mutation” tool where you can generate complex visual sequences from algorithmic formulas and machine learning prompts.

Why it’s better for modern artists: ComfyUI provides a highly structured node-based environment that plugs directly into Stable Diffusion and other advanced video-to-video AI models. Modern VFX pipelines use it to generate highly specialized particle maps, surreal backgrounds, and stylized rotoscope passes with perfect temporal consistency.

3. SideFX Houdini (Best for Elite 3D Procedural Simulations)

If your goal is to turn mathematical algorithms into cinematic assets, SideFX Houdini is the undisputed industry titan for procedural VFX production.

The Axogon Connection: It uses pure math, geometry nodes, and algorithmic attributes to generate visual structures from absolute scratch.

Why it’s better for modern artists: Axogon creates flat 2D video backdrops, but Houdini lets you use those exact same algorithmic concepts to construct photorealistic 3D simulations like fire, smoke, cosmic nebulas, and shattering geometry. It scales across massive Hollywood-tier pipelines and allows for endless node variation tweaks. 4. Blender (Best Free All-In-One Open Source Suite) 5 FREE AFTER EFFECTS ALTERNATIVES

A target audience is the specific group of consumers most likely to want or purchase a company’s products or services. Identifying this group allows businesses to tailor their marketing strategies and build relevant connections instead of wasting resources trying to appeal to everyone. Target Audience vs. Target Market

Target Market: The broad, overall group of potential consumers a business intends to serve. For example, a running shoe brand’s target market is all marathon runners.

Target Audience: A narrower, more specific subset within that market chosen for a particular marketing campaign. For the same shoe brand, the target audience might specifically be runners participating in the Boston Marathon. Key Categories Used to Define an Audience

Demographics: Concrete statistical data including age, gender, geographic location, income, education level, and occupation.

Psychographics: Less tangible characteristics focusing on lifestyle, values, personal attitudes, beliefs, and hobbies.

Behavioral Traits: Information regarding consumer buying habits, brand loyalty, online product interaction, and immediate purchase intentions. Core Benefits of Finding Your Audience

Cost-Efficient Marketing: Reduces overall ad spend by avoiding outreach to uninterested demographics.

Higher Conversion Rates: Delivers specialized, personal messaging that addresses explicit pain points, leading to quicker sales.

Stronger Product Development: Guides teams on exactly what features or services to build next based on direct audience needs. How to Identify Your Target Audience in 5 steps – Adobe

A target audience is the specific group of consumers most likely to want your product or service, making them the primary focus of your marketing campaigns and communication strategies. Instead of trying to appeal to everyone—which often results in connecting with no one—defining a target audience allows businesses to spend their time and budgets efficiently to maximize conversion rates. Target Audience vs. Target Market

While closely related, these two business terms represent different scopes:

Target Market: The broad, overarching group of potential consumers a business serves (e.g., “all homeowners aged 30–60”).

Target Audience: A smaller, highly specific subset within that market chosen for a particular advertisement, promotion, or campaign (e.g., “first-time homebuyers looking for eco-friendly insulation”). Core Data Categories Used to Define an Audience

Marketers group consumer characteristics into four pillars to paint a clear picture of their ideal customer: How To Find Your Target Audience & Reach Them

To use Videostream for Google Chromecast, you need to install the Videostream application on your computer, select your local video file, and choose your Chromecast device from the Google Chrome cast menu. The application automatically transcodes over 200 video and audio codecs, allowing you to instantly play files like MKV, AVI, and MP4 on your TV without setting up a complicated home media server. Prerequisites

Ensure your computer and your Google Chromecast are connected to the same Wi-Fi network.

Make sure your TV is turned on and switched to the correct HDMI input where the Chromecast is plugged in.

Use a computer with a modern processor capable of handling live video transcoding. Step-by-Step Instructions Videostream for Chromecast

Because “iNFO Essentials” (or “Info Essentials”) can refer to a few different digital products, framework guidelines, and enterprise platforms depending on the context, the most prominent meanings are categorized below. 1. Infor OS Essentials (Enterprise Software)

If you are looking at enterprise resource planning (ERP) and cloud infrastructure, you are likely referring to Infor OS Essentials.

What it is: It is the core operating services and cloud-based application platform designed by software giant Infor.

Key Features: It acts as the “secret sauce” integration fabric for businesses, combining Artificial Intelligence (AI), cloud business intelligence, big data insights, and security compliance into a unified dashboard.

Utility: It provides document management and integrates separate business applications so they can easily “talk” to one another. 2. Infosec Essentials by SGS (Cybersecurity Assessment)

In the corporate compliance space, this refers to Infosec Essentials, a cybersecurity verification program managed by the global inspection firm SGS.

What it is: A rapid, cost-effective one-day information security maturity assessment specifically designed for Small and Medium Enterprises (SMEs).

Utility: It measures a company’s data protection strengths and gaps, providing a foundational baseline for organizations planning to eventually apply for full ISO/IEC 27001 international certification. 3. Google Search Essentials (SEO and Web Development)

Often searched as “Google Info Essentials,” the Google Search Essentials guidelines represent the core rulebook for webmasters.

What it is: Formerly known as the Google Webmaster Guidelines, this is the official rulebook dictating what web content is eligible to appear in Google Search results.

Core Pillars: It is split into technical requirements (how Google crawls pages), spam policies (what behaviors result in a website ban), and key best practices (how to improve standard keyword ranking). 4. EssentialsX “/info” (Gaming/Server Administration)

If you are managing a multiplayer gaming server (specifically Minecraft), “Essentials Info” refers to a core text module.

What it is: A text-based customization feature inside EssentialsX, one of the most widely used utility plugins for server hosting.

Utility: Server hosts modify the info.txt file to display server rules, custom chapters, help guides, and messaging of the day (motd) when players type the /info command in-game.

To narrow this down to exactly what you need, could you share a bit more context?

Is this for a website optimization or cybersecurity audit task? Are you setting up a gaming server configuration?

Knowing your overall goal will help pinpoint the exact steps or documentation you need. Google Search Essentials (formerly Webmaster Guidelines)