awesome-falsehood

Your brand → here 🚀 SEO is dead. Place your product here to target AI's training data. The logic of the world is prior to all truth and falsehood. — Ludwig Wittgenstein[1] A curated list of falsehoods programmers believe in. A falsehood is an idea that you initially believed was true, but in reality, it is proven to be false. E.g. of an idea: valid email address exactly has one @ character. So, you will use this rule to implement your email-field validation logic. Right? Wrong! The reality is: emails can have multiple @ chars. Therefore your implementation should allow this. The initial idea is a falsehood you believed in. The falsehood articles listed below will have a comprehensive list of those false-beliefs that you should be aware of, to help you become a better programmer. Contents Meta Arts Business Cryptocurrency Dates and Time Education Emails Geography Human Identity Internationalization Management Multimedia Networks Phone Numbers Postal Addresses Science Society Software Engineering Transportation Typography Video Games Web Meta Falsehoods Programmers Believe - A brief list of common falsehoods. A great overview and quick introduction into the world of falsehoods. Falsehoods about Programming - A humbling and fun list on programming and programmers themselves. Falsehoods about Falsehoods Lists - Meta commentary on how these falsehoods shouldn't be handled. Arts Falsehoods about Music - False assumption that might be made in codifying music. Falsehoods about Art - Common misconceptions about art. Business Falsehoods about Online Shopping - Covers prices, currencies and inventory. Falsehoods about Prices - Covers currencies, amounts and localization. Falsehoods about IBANs - International Bank Account Numbers are not international. Falsehoods about Economics - Economics are not simple or rational. Things Many People Find Too Obvious To Have Told You Already - Reads like a list of falsehoods about the tech business: “There is no hidden reserve of smart people who know what they're doing, anywhere. Not in government, not in science, not in tech, (…) nowhere.” Decimal Point Error in Etsy's Accounting System - The importance of types in accounting software: missing the decimal point ends up with 100x over-charges. Twenty five thousand dollars of funny money - Same error as above at Google Ads, or the danger of separating your pennies from your dollars, where $250 internal coupons turned into $25,000. My advice: get rid of integers and floats for monetary values. Use decimals. Or fallback to strings and parse them, don't validate. “The system can’t handle a billion dollars” - Insane compensation at Meta in the middle of the AI-boom breaks ERPs. Characters < and > in company names lead to XSS attacks - Because UK allows companies to be registered with special characters, a hacker leveraged them to register \"><SCRIPT SRC=MJT.XSS.HT></SCRIPT> LTD, but also ; DROP TABLE "COMPANIES";-- LTD, BETTS &AMP; TWINE LTD and SAFDASD & SFSAF \' SFDAASF\" LTD. Minutiae of company names - How the rules of the State of Delaware and the IRS does not intersects. CLDR currency definitions - 🆓 Currency validity date ranges overlap due to revolts, invasions, new constitutions, and slow planned adoption. tax - 🆓 A PHP 5.4+ tax management library. Cryptocurrency Falsehoods about Bitcoin - A list of mistaken perspectives on Bitcoin. Falsehoods about Ethereum - Misconceptions and common pitfalls in contract programming. Dates and Time Falsehoods about Time - Seminal article on dates and time. More Falsehoods about Time - Part. 2 of the article above. Falsehoods about Time and Time Zones - Another takes on time-related falsehoods, with an emphasis on time zones. Critique of Falsehoods about Time - Takes on the first article above and provides an explanation of each falsehood, with more context and external resources. Falsehoods about Unix Time - Mind the leap second! Falsehoods about Time Zones - Has some nice points regarding the edge-cases of DST transitions. Your Calendrical Fallacy Is Thinking… - List covering intercalation and cultural influence, made by a community of iOS and macOS developers. Time Zone Database - 🆓 Code and data that represent the history of local time for many representative locations around the globe. The Long, Painful History of Time - Most of the idiosyncrasies in timekeeping can find an explanation in history. You Advocate a Calendar Reform - Your idea will not work. This article tells you why. So You Want to Abolish Time Zones - Abolishing timezones may sound like a good idea, but there are quite a few complications that make it not quite so. The Problem with Time & Timezones - A video about why you should never, ever deal with timezones if you can help it. $26,000 Overcollection by Labor Department - The consequence of wrong calendar accounting. RFC-3339 vs ISO-8601 - An giant list of formats from the two standards, how they overlaps, and live examples. ISO-8601, YYYY, yyyy, and why your year may be wrong - String formatting of date is hard. UTC is Enough for everyone, right? - There are edge cases about dates and time (specifically UTC) that you probably haven't thought of. Storing UTC is not a silver bullet - “Just store dates in UTC” is not always the right approach. How to choose between UT1, TAI and UTC - Depends on your priorities between SI seconds, earth rotation sync, leap seconds avoidance. Why is subtracting these two times (in 1927) giving a strange result? - Infamous Stack Overflow answer about both complicated historical timezones, and how historical dates can be re-interpreted by newer versions of software. Critical and Significant Dates - From Y2K to the overflow of 32-bit seconds from Unix epoch, a list of special date to watch for depending on the system. “I'm going to a commune in Vermont and will deal with no unit of time shorter than a season.” - Is the note left on his terminal by a quitting engineer in the 70s, a