Answers with working code and formulas
Each page answers one real question people search for, with a snippet or formula you can use right away.
Loot drop rate calculator: what are the odds in N tries?Chance of at least one drop in N tries is 1 - (1 - p)^N. Free calculator, the formula for spreadsheets and Luau/GDScriptXP curve formulas: how much XP each level should needThree XP curve formulas game designers use (linear, power, exponential), what each feels like, a table for levels 1-50 aFree game sound effects you can use in a commercial gameWhat a licence must say before you ship free sound effects in a paid game (CC0 vs CC-BY vs non-commercial), plus a free Two free Godot 4 shaders you can paste in now: hit flash and dissolveWorking Godot 4 canvas_item shaders: a white hit flash driven by one uniform, and a noise dissolve with a glowing edge. How to make gun sounds not repeat in full auto: variations and pitchWhy one gunshot sample sounds like a machine loop, and the fix in Godot, Unity and Roblox: rotate variations, add small How much 1,000 earned Robux is worth in US dollars through DevExWork out what earned Robux pay through the Developer Exchange at the published rates, the 30,000 Robux minimum, and the A Roblox DataStore save script that never wipes player dataCopy-paste Luau for loading and saving player data with DataStoreService: retries, UpdateAsync, BindToClose and the guarRoblox DataStore limits: requests per minute, size per key, key namesThe DataStore limits from Roblox's docs: 60 + players × 40 reads and writes a minute, 4 MB per key, 50-character names, Roblox leaderboard script: leaderstats you can copy and pasteA working Luau leaderstats script for the player list leaderboard, with coins and level values that save, plus how to chRoblox global leaderboard: top players across every serverLuau for an all-time global leaderboard with OrderedDataStore: write scores, read the top 50, refresh within the requestRoblox daily rewards script with a login streakA server-side daily reward and streak script for Roblox: UTC day numbers, a streak that resets after a missed day, and rHow to make a codes system in Roblox (redeem codes)A server-side redeem-codes script: case-insensitive codes, expiry dates, one claim per player, and a RemoteFunction for How to use developer products in Roblox (ProcessReceipt that never double-grants)Copy-paste ProcessReceipt script for Roblox developer products: save each PurchaseId so coins and boosts are granted exaHow to make a Roblox game pass (and give the perk in a script)Make a Roblox game pass, copy its ID, check ownership with UserOwnsGamePassAsync on join and grant passes bought mid-gamRoblox DevEx requirements: who can cash out Robux, and at what rateHow to get Roblox DevEx: be 13+, earn 30,000 Earned Robux, verify your email, set up a DevEx account and tax form. 2026 How to make a shop GUI in Roblox that exploiters can't abuseBuild an in-game currency shop: the GUI sends only an item id, the server looks up the price, checks coins and grants thRoblox pet system: make pets follow the player smoothlyA client-side pet follow script with AlignPosition-free CFrame lerping, arc formation for several pets and a hover bob. Roblox egg hatching script: weighted random pets with real oddsServer-side egg hatching with weighted random rolls, shown odds that match the code, and a charge-once rule so a hatch iRoblox admin commands script with ranks (for your own game)Add :kick, :tp and :speed admin commands to your own Roblox game with TextChatService, a rank check by UserId and a servHow to raycast in Roblox: a gun script the server checksworkspace:Raycast with RaycastParams for a hitscan gun: the client sends aim, the server checks fire rate and origin, caRoblox round system: intermission, round timer and winnersA server loop for round-based games: wait for enough players, intermission countdown, teleport in, round timer, pick winRoblox tycoon script: droppers, a collector and buttons that cost cashThe core of a tycoon in Luau: droppers that spawn parts, a collector that turns them into cash, and purchase buttons cheHow to make a quest system in RobloxA data-driven quest system in Luau: quest definitions, progress events from your game, completion and rewards, saved witRoblox gun damage: range falloff, headshots and armour in LuauPure Luau damage maths for Roblox guns: linear falloff between range points, head/body/limb multipliers and armour that Session locking in Roblox: what ProfileService-style modules do and whyWhy two servers can overwrite each other's saves, and how a session lock in UpdateAsync stops it. A minimal Luau lock yoHACCP plan template: the 7 principles with a worked exampleA HACCP plan in plain steps: hazard analysis, critical control points, critical limits, monitoring, corrective actions, Food temperature log: what to record and the limits to checkWhat a food temperature log needs (date, time, item, reading, initials, action) and the FDA Food Code limits: 41°F cold,Allergen chart template for menus: the 9 major US allergensAn allergen matrix lists every menu item against the 9 major US food allergens: milk, eggs, fish, shellfish, tree nuts, Cost per plate: work out food cost % and the right menu priceCost each plate from ingredient prices and portions, include yield loss, then price for a target food cost %. Formulas aProfit margin formula in Excel, after every feeMargin = (price - all costs) / price. Excel formulas for margin, markup, price for a target margin and real profit afterHow IFTA fuel tax is calculated, step by stepIFTA in four steps: fleet MPG, taxable gallons per jurisdiction, tax due at each rate, minus tax paid at the pump. A worMutual NDA template: what each part means and what to fill inA mutual NDA protects both sides' confidential information. The fields you fill in (parties, purpose, term, governing laA staff schedule in Google Sheets that adds up hours and labour costBuild a weekly staff rota in Google Sheets: shift start and end, unpaid breaks, overnight shifts, weekly hours per persoLandlord checklist for renting out a houseBefore you rent, at move-in, during the tenancy and at move-out: the documents, photos, receipts and notices landlords kHow to check when your domain and SSL certificate expire (and get warned in time)Find a domain's registration expiry in its registry record (RDAP) and a certificate's end date from the server, then setHow to get an alert before your SSL certificate (or domain) expiresCheck when a site's SSL certificate expires with one command, and set up free alerts 30, 7 and 1 day before, for the cerRoast my website: a free check of the things visitors and Google notice firstA free website roast: score out of 100 from your title, description, speed, HTTPS, social tags, broken links and more, wHow to check your website for accessibility problems, free (WCAG 2.2)Run an automated WCAG 2.2 check on any page, read the results by impact, fix the common problems (alt text, labels, zoomADA website accessibility checklist: what to check and fix firstA practical WCAG 2.2 AA checklist for small business sites: the problems that appear most often, how to find each one, aEuropean Accessibility Act: what to check on your websiteThe EAA has applied since 28 June 2025 to many consumer services, including e-commerce. A practical WCAG 2.2 checklist, How to write an accessibility statement (with a free template)What an accessibility statement contains (conformance status, known problems, feedback contact, enforcement body, date),Thank you for your order card wording for small shops (with examples)Thank-you-for-your-order card wording for Etsy and craft-fair sellers: short examples, what else to put in the package, How to buy a land bank house or lot, some for under $5,000How land bank sales work, real prices from Kansas City, Baltimore, Detroit and Chicago, the application steps, and the cHow to create a debt payoff spreadsheet in Excel or Google SheetsBuild a debt payoff spreadsheet: one row per debt, NPER for months to payoff, a month-by-month schedule, and total interDebt avalanche vs snowball: which pays off faster, with an exampleAvalanche pays the highest rate first and saves the most interest; snowball pays the smallest balance first for quick wiMake a budget spreadsheet in Google Sheets (with the formulas)A zero-based budget in Google Sheets: a transactions tab, SUMIFS per category and month, plan vs actual, and a weekly 10A habit tracker in Google Sheets that counts your streakCheckbox habit tracker in Google Sheets: a checkbox per day, a running streak row, best streak and completion rate. WhatA workout log in Google Sheets that estimates your 1-rep maxLog sets in Google Sheets and let formulas do the coaching: Epley 1RM estimate, PR flags, weekly volume and a simple nexHow to plan a wedding in Excel or Google SheetsFour tabs plan a whole wedding: budget by category, guest list with RSVP counts, vendor contacts and payments, and a timA chore chart for kids that actually works (with allowance)How to set up a chore chart by age, points per chore, and a simple allowance formula so kids see what they earned each wWhat makes a good daily planner page (and how to use it)A daily planner that gets used: one main priority, a few time blocks, a short list, and a weekly review. Why fewer boxesHow couples can split shared costs fairly in a budget spreadsheetThree ways couples split money (50/50, by income, all-in-one pot) and the spreadsheet formula for splitting shared billsHow to split expenses with friends and settle up in the fewest paymentsSplit group costs fairly: add what each person paid, work out each share, then settle with the fewest payments. A workedHow to track your subscriptions for free and see what they really costList every subscription once, convert weekly and yearly prices to monthly, and set calendar reminders before renewals. THow to make a resume for free and download it as a PDF (no sign-up)Make a one-page resume for free and save it as a PDF with real text: the sections to use, how to write bullets with numbHow to get an alert when a specific company posts a jobFind the company's own job board, watch it for new roles that match your words and place, and get a message the same dayHow to split rent fairly by room size, with a worked exampleSplit rent by bedroom size: give shared space an equal share, split the rest by square metres or feet. Worked example, tHow to keep track of free trials so they never charge you by surpriseWrite down every free trial's end date, set a reminder 3 days before and decide to keep or cancel. A simple method, a caHow to quantify your resume bullet points, with before and after examplesTurn duties into results: add a number for how many, how much, how fast or how often. Before and after resume bullet exaHow to make a weekly meal plan and a grocery list from itPlan the week's meals, scale each recipe to the people eating, add up the same ingredient across recipes and sort the liHow to study with flashcards using spaced repetitionReview each card just before you would forget it: answers you know come back after 1, 3, 8, 20 and 50 days; cards you miHow to keep track of your pet's vaccinations, preventives and vet datesWrite down each vaccine and treatment with the date given and the interval your vet set, work out the next due date, andHow to label moving boxes (room colours, numbers and a contents list)Give every box a room colour and a number (KIT-01), keep the contents list, label two sides, and mark fragile, heavy andHow to backtest a crypto strategy honestlyBacktest a crypto strategy on real daily prices with fees and slippage, keep an out-of-sample period, compare with buy-aDCA vs lump sum in crypto: compare them on real pricesCompare buying crypto every week or month with buying all at once on real past prices: total put in, value now and the wHow to run a crypto trading bot safely with your own keysSet up exchange API keys for a trading bot safely: trade-only permissions, withdrawals off, IP whitelist, a sub-account,How to get crypto price alerts in Telegram, freeSet Bitcoin, Ethereum and altcoin price alerts that message you in Telegram: a price level, a big daily move or cheap EtFIFO vs LIFO vs HIFO for crypto, with a worked exampleSee how FIFO, LIFO and HIFO change the gain on the same crypto sale, with a worked example and how short vs long term isHow to calculate position size from your riskWork out how much to buy so that hitting your stop loses only the share of your account you chose, with reward:risk and What if you had bought Bitcoin? Work it out, with the drop on the wayWork out what an amount of Bitcoin bought on a past date is worth now, and the worst fall you would have sat through, frFree printable 2027 calendar, with US holidays markedMake a free printable 2027 calendar: monthly pages with US holidays and your own birthdays, Sunday or Monday start, LettChristmas gift tracker printable: a budget per person, every gift trackedSet a Christmas budget per person, track each gift from idea to wrapped, and see spent, left and still to buy. Free layoA cleaning schedule printable that splits the house into 20 minutes a dayA weekly cleaning schedule with one focus room per day, plus daily, monthly and seasonal lists. A free printable schedulSavings challenge printables: the 52-week and 100-envelope challenges, worked outHow the 52-week ($1,378) and 100-envelope ($5,050) savings challenges add up, with a free quarter-by-quarter table and tReward chart printable: how to set one up so it actually worksPick one behaviour, a chart length for your child's age and a reward they choose. A free guide to sticker, routine and pWeekly meal planner printable with a grocery list beside itPlan seven dinners in 10 minutes, write the grocery list beside the plan, group it by aisle and shop once. Free example Newborn feeding and diaper log: what to write down, and a free layoutWhat to track in a newborn log (feeds, sides, diapers, sleep, pumping) and a free 24-hour layout to copy or print.Household binder printable: the sections to include, and a checklistWhat goes in a household binder: emergency info, password log, bills, insurance, home maintenance and an inventory. FreePrintable Christmas party invitations: what to write, when to send, how to printChristmas party invitation wording you can copy, when to send them, sizes and print settings, plus a free editor to desiPrintable Christmas gift tags with names: sizes, paper and how to print a whole familyPrint Christmas gift tags with everyone's names: which size to use, how many fit on a sheet, card stock or sticker paperHow to budget by paycheck: give every payday a jobThe budget-by-paycheck method step by step: match each bill to the payday before it is due, plan savings and debt, and uPrintable Christmas coloring pages for adults (and the kids): free samplers, paper and pensDetailed Christmas coloring pages for adults and easy ones for kids: print a free 3-page sampler, then pick the right paHow to make a printable toddler busy book (and keep it together)Make a toddler busy book from printables: what to print, card stock, laminating, velcro dots and a binder, plus which acBirthday invitation wording: examples for kids, milestones and surprise partiesBirthday invitation wording you can copy for kids' parties, milestone birthdays and surprises, what every invite needs, Baby shower invitation wording: examples, registry lines and when to sendBaby shower invitation wording you can copy, how to mention the registry politely, when to send the invite, and a free bHow to use CISA's Known Exploited Vulnerabilities (KEV) catalogDownload CISA KEV as JSON, filter it with jq (ransomware use, vendor, due date), match it to your CVEs, and rank the resHow do I find the HTS code for a product?Find a US HTS code step by step: chapter, heading, subheading, the 8-digit tariff line and 10-digit statistical suffix. A free email validation API you can call without a keyValidate email addresses with one GET: syntax, MX records, disposable and role addresses, typo suggestions (gmial.com), How to check what technology a website runs onFind a site's CMS, framework, analytics, CDN and email provider: response headers, page source, DNS records, and a free A free US ZIP code API (city, county, time zone, radius, distance)Look up any US ZIP: city, state, county FIPS, coordinates, time zone and Census demographics, plus radius search and disHow to tell if a search term is rising, falling or spiking on Google TrendsRead Google Trends the right way: relative 0-100 interest, comparing the start and end of a range, spotting spikes, and How to take full-page website screenshots with an API, and read the page tooCapture full-page, element or mobile screenshots of many URLs in one call, with HTTP status, title and clean page text, How to get App Store and Google Play reviews into a spreadsheet and find the complaintsPull public reviews from both stores into one table, filter by stars, date and keyword, and summarise what users complaiHow to check the authority of many domains at once (and what the score means)Rank a list of domains by size and link reach from open web-graph data, what each field means, and when you need Moz DA How to track insider buying and selling from SEC Form 4 filingsRead Form 4 the right way: who must file, the transaction codes that mean open-market buys and sells, cluster buys, and How to check whether a company is hiring right now, from its domainFind a company's job board from its domain, count open and new roles by function and seniority, and get an alert when hiHow to search jobs on Greenhouse, Lever and Ashby across every company at onceJob boards on Greenhouse, Lever and Ashby are per company. Here is how to search them all by keyword, location and date,How to get the CISA KEV list with EPSS scores into pandasLoad a daily copy of CISA's Known Exploited Vulnerabilities catalog with FIRST EPSS scores in one Python call, and filteHow to get SEC Form 8-K events into pandas for researchLoad parsed SEC 8-K events (which item each filing reports) and the filing list in Python, and filter by item type such How to get daily US Treasury yields and macro data into pandasLoad daily Treasury nominal and real yields plus monthly BLS series in one call, and compute the 10-year minus 2-year spHow to get ClinicalTrials.gov study records into pandasLoad a snapshot of the public ClinicalTrials.gov registry as one table and filter by condition, phase and status for resHow to get a list of MCP servers from the official MCP RegistryLoad a snapshot of the official MCP Registry (servers, remotes, packages) and an uptime probe log as tables, and find seHow to get SEC XBRL company financials into pandasLoad key metrics (revenue, net income, assets) from SEC XBRL filings for many companies, with filing dates, in one call.How to get 10-K and 10-Q section text (risk factors, MD&A) into pandasLoad extracted 10-K and 10-Q sections such as Item 1A risk factors by month, and search or compare them across companiesHow to track US federal AI policy documents and open comment periodsLoad Federal Register AI-related documents, open comment periods and public-inspection items as tables, and list commentHow to measure news coverage of one story over timeLoad headline, daily-count and source tables for one news story and chart how coverage rose and fell, with every headlinHow to find federal contracts that end in the next 12 months (recompetes)Use public USAspending award data to list federal contracts whose period of performance ends soon, by NAICS code and ageHow to find newly registered US motor carriers from FMCSA dataLoad new US motor carrier registrations from FMCSA census data with DOT numbers and daily counts, and vet a carrier befoHow to check a list of VINs for open vehicle recalls at onceDecode VINs and look up open NHTSA recalls for up to 50 vehicles at a time in your browser, export to CSV, and follow neHow to download all images from a website, full size, in one ZIPEvery way to save all images from a web page or a list of pages: browser, command line, and a bulk downloader with PythoHow to get an alert when a US tariff on your products changesThe four places US tariff changes come from (HTS revisions, Section 301, exclusions, the Federal Register), how often eaHow to check whether your HTS code or its duty rate changedSee which HTS revision you are on, compare a code across revisions, spot renumbered or deleted lines, and get told automHow to track Section 301 China tariff changes for your HTS codesWhere Section 301 lists, four-year-review increases and exclusions live in the HTS, how to see which apply to your code,How customs brokers can monitor tariff changes for every clientKeep a code list per client, catch HTS, Section 301 and Federal Register changes once for all of them, and send each cliHow to find a company's website from its name, in bulkTurn a list of company names into official website domains with a confidence score and evidence. Get the Python, JavaScrHow to find the contact email, phone and socials for a list of company domainsGet each company's published email, phone, socials and contact page from its own site, for a whole list of domains. CopyHow to check the tech stack of hundreds of websites at onceFind the CMS, framework, CDN, email provider, DMARC policy, domain age and TLS expiry for a whole list of domains. Copy How to get Google Trends rising and breakout queries through an APIGet Google Trends rising and breakout queries for many keywords as JSON, with a rising/falling verdict. Copy the Python,How to give Claude, Cursor or any AI agent web data tools through Apify's MCP serverAdd Apify's MCP server to Claude, Cursor or VS Code in one config block: company domains, contacts, tech stack, trends. How to convert images to WebP in bulk, from a list of URLsConvert hundreds of JPEG and PNG images to WebP or AVIF in one run: resize, strip EXIF, get one ZIP and the bytes saved.How to scrape a Shopify store's products, prices and stockGet every product, price, sale price and stock level from any Shopify or WooCommerce store, plus price-drop alerts. PythHow to run an SEO audit and broken link check on a whole siteCrawl a whole website and get every page's SEO issues, broken links, duplicate titles and a 0-100 score, worst first. PyRemote jobs API: one JSON feed of fresh remote jobs with salariesGet fresh remote job listings from Remote OK and Jobicy as one de-duplicated JSON feed with salaries and apply links, plHow to convert a whole website to Markdown for RAG, with llms.txtCrawl a website or docs site into clean Markdown, heading-aware RAG chunks with token counts, and llms.txt files. PythonFree daily games like Wordle: one puzzle a day, same for everyoneDaily browser games in the Wordle spirit: one shared puzzle a day, a shareable result, no download. Logic, guessing and Free browser games with no download (phone or computer)Games that open in a browser tab and run on phones and computers: daily logic puzzles, party games for a group and quickHow to fly a free flight simulator in your browser: controls and first flightTake off, climb, turn and land in a free browser flight simulator: keyboard, gamepad and touch controls, flaps and gear,Skyline Flight Circuit: a free flying car racing game on RobloxSkyline Flight Circuit is a free Roblox flying car game: drive a neon city, lift off through 12 gate rings and race frieHow to fly a car in Roblox: controls for PC, phone and controllerHow to fly a car in Roblox on PC, phone, tablet and controller: get in, climb, dive and boost, plus what to do when the How to play Sled Volt, the free 3D sled runnerSled Volt controls for phone and keyboard, VOLT and power-ups, how to escape the Rimehorn and tips for the Daily Run. PlHow to play Dolly Wobble, the free 3D physics balance gameDolly Wobble controls for phone and keyboard, how to save a falling stack, what scores points and how the Daily Street bHatchlume: a free Roblox creature catching and egg hatching gameHatchlume is a free Roblox creature catching game: tap the ring to catch Lumes, hatch eggs with odds shown, evolve, sparSled Volt: a free Roblox sledding game where you race up to 8 friendsSled Volt is a free Roblox sledding game: race up to 8 players down a snowy mountain and outrun the Rimehorn. Play on RoHow to play Dew Leap, the free one-tap hopping gameDew Leap controls, how to land a perfect, why the drop dries up and how the daily vine works. A free one-tap timing gameHow to play Fur Spotter, the free real-world animal spotting gamePoint your phone at a real cat, dog or bird and Fur Spotter adds it to your field album. Controls, rarity, streaks and p