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Stephen Blum

Stephen Blum

@stephenlb

CTO @ PubNub | $134M raised | Series E | +1 Billion devices | 68 Patent claims | 25 Years

100 videos

Hermes has been out long enough, so every button should work. #ux #ui #bugs

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Darwin tells me I am running macOS on a Mac. #macos #darwin #tech

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Use AI tools to code for you, no experience needed. #ai #coding #automation

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Tweak Rust error messages instead of building a whole new language. #rust #programming #ai

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I want a magic pill and smarter AI games forever. #ai #longevity #gaming

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AI turns words into numbers, does math, then predicts outputs. #ai #math #nlp

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Create the missing dictionary and pass it into the embedding call. #python #debugging #coding

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Developers rarely touch grass, even when it is outside. #developers #grass #humor

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Great UX means users do almost nothing and still succeed. #ux #ui #ai

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Stop wasting bits in AI, use floats to store more. #ai #computing #efficiency

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If AI trains on AI, progress slows and quality can drop. #ai #data #internet

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AI agents let anyone code, but most prefer apps maintained. #ai #software #coding

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Double majoring in math helps you understand AI algorithms much faster. #math #ai #college

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Computer vision projects feel impressive, emotional, and often score higher. #computervision #machinelearning #ai

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AI loves em dashes, so remind it to use fewer. #writing #editing #ai

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I have coded since 11, professionally for 25 years. #programming #career #learning

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I use Gemini to automate my browser with mouse and keyboard. #ai #automation #gemini

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We built and trained our own embedding model from scratch today. #ai #embeddings #machinelearning

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BlocksAI is free and you might even get paid. #ai #startup #pricing

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PubNub avoids monkey patching now, after a past Python import. #python #rust #software

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AI predicts the next word from patterns, not true memory. #ai #llm #memory

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My tmux config mimics GNU Screen and probably will hinder you. #tmux #linux #productivity

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Use character codes to draw boxes with thick, thin, double lines. #unicode #asciiarte #design

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LoRA fine tunes big models, and we built our own. #ai #lora #finetuning

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AlphaZero beat Stockfish after hours of training, with zero losses. #chess #ai #machinelearning

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AI writes apps fast, but discipline maintains them over time. #coding #ai #discipline

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I disable Vim swap files and commit to Git often. #vim #git #workflow

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Googling Emacs, Google asked if I meant Vim instead. #emacs #vim #programming

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I use Vim splits to edit files fast without an IDE. #vim #coding #workflow

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Embeddings just pick a row, no extra math needed. #ml #embeddings #indexing

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Curated data helps, but garbage online still shapes AI outputs. #ai #internet #data

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Your food choices today can shape your health tomorrow, daily. #nutrition #health #food

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Decide whether to fix bias or leave it alone today. #bias #ethics #ai

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It is a fixed machine, not a thinking, changing brain. #consciousness #brain #technology

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Hand coding PyTorch helps me learn faster, even with AI. #pytorch #coding #learning

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AI learning backward shows huge negative number around 1e21 today. #ai #math #debugging

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I see the grass outside, but I still never touch it. #nature #mindset #life

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AI fashion agents show how outfits look before you buy. #ai #fashion #agents

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Keep learning for life even without making math everything. #learning #math #mindset

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We failed: matrix shapes mismatch, and now we hunt the line. #pytorch #debugging #tensors

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Next offering? I know, but you told me not to say. #startup #ai #future

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LoRA lets you save tiny updates, not huge model copies. #ai #lora #llm

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I skipped finishing college and went all in on business. #business #college #success

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Maybe we are gel packs inside a star powered simulation. #simulation #philosophy #science

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Turn on live subtitles in meetings using our Discord install link. #subtitles #discord #meetings

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A perfect product fails if you never get real users. #product #marketing #startup

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Free forever plan supports 200 users or one million transactions. #broadcast #free #saas

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Embedding layers look up vectors from a matrix using token IDs. #ml #nlp #embeddings

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Python runs slower, but C libraries handle most heavy lifting. #python #performance #programming

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Struggle first, learn deeper, then use AI to check. #learning #grit #ai

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Use AI for reminders, but still explain your thinking in interviews. #ai #interviews #coding

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Drop the comprehension, use a simple array and append instead. #python #coding #refactor

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Know the basics so AI outputs safer, smarter work every time. #ai #learning #security

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I gave an AI ten dollars, and it started buying images. #ai #agents #creativity

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Most buyers want users, revenue, or your team, not apps. #startup #acquisition #product

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AGI matches humans, ASI beats them, and RAG adds context. #ai #agi #rag

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Learning PyTorch internals, especially Autograd, to become true experts fast. #python #pytorch #autograd

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Powerful models spread fast, but malware risks rise with hype. #python #security #ai

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Built Spoken and an OBS interface for fast speech to text. #speech #javascript #streaming

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We backed out and realized too late Stephen’s cat was underneath. #pets #accident #sorry

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A tiny base signal controls big current from collector to emitter. #electronics #transistor #learning

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Models predict next words, but lack lasting memory like human consciousness. #ai #consciousness #memory

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Share your best algorithms; we may copy them, maybe reward you. #algorithms #competition #tech

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Most Office files are zipped XML folders you can open easily. #microsoft #office #xml

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Real time data keeps AI trades aligned with fast moving markets. #ai #trading #realtime

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Go feels like Python, but JSON marshalling makes microservices frustrating. #golang #json #microservices

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CPUs are transistors wired into gates, then blocks, then instructions. #cpu #electronics #logic

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I skip Python type hints because I just do not care. #python #typing #coding

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Learn to read, understand, and fix code, not just write. #coding #debugging #learning

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BERT means Bidirectional Encoder Representations from Transformers, built on attention. #ai #nlp #transformers

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An extra colon broke everything, and Steven got called out. #coding #debugging #syntax

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We need get, set, and delete, even if it looks weird. #javascript #coding #webdev

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JavaScript has Infinity, but infinite lists are a separate idea. #javascript #nodejs #programming

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Cargo Clippy stayed silent, so our Rust code is flawless. #rust #clippy #coding

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AI bug bounties flood support, now 90 percent of tickets. #security #bugbounty #ai

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Reload fixed it and the color picker finally works today. #coding #webdev #javascript

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Use pose tracking to overlay a fake skeleton x ray effect. #computervision #imageprocessing #pose

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Live debugging: why did it print so many things suddenly? #debugging #coding #programming

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Most AI predicts text but lacks lasting memory or self change. #ai #consciousness #memory

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Stop restarting worlds and beat the Ender Dragon already today. #minecraft #focus #health

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We code by hand to learn Torch and avoid AI dependence. #ai #coding #torch

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We figured it out, then read Matthew 7:7 for clarity. #faith #bible #truth

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We did not invent reverse training, we probably made a mistake. #ai #machinelearning #debugging

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Skip get rich quick schemes, choose steady gains over stressful risks. #finance #risk #mindset

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Predictive analysis trains on data, then predicts answers for new inputs. #ai #datascience #prediction

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Use AI carefully: avoid PII and review code for security. #ai #cybersecurity #privacy

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Better hardware and algorithms will simulate bigger animals, up to humans. #ai #science #simulation

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You can now buy a RAM stick with no RAM chips. #hardware #pcbuilding #tech

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C gives you memory control to build faster, scalable systems. #c #computerscience #performance

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My OBS plugin shows text to speech captions before I speak. #obs #tts #streaming

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Red means major outage on Discord, worse than orange issues. #discord #status #outage

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Early Rust compiler errors tried helping but often confused everyone. #rust #debugging #compiler

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We lease compute to upgrade easily, but boot loops slow us. #compute #gpus #troubleshooting

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PyTorch powers many AI models, including tools like ChatGPT today. #pytorch #machinelearning #ai

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Rust teaches hard lessons, then changes the rules on you. #rust #coding #debugging

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Chinese view farms stack phones on walls to boost video views. #china #smartphones #socialmedia

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It pushed back, checked online facts, and proved you right. #ai #facts #tech

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Maybe extreme intelligence can strain minds until reality feels unbearable. #intelligence #mentalhealth #philosophy

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We are migrating from C to Rust for over a billion devices. #rust #programming #security

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