Blogmarkgritter (53)in procjam • yesterdaytinyspires' Greatest Hitstinyspires is a Twitter bot by @amandaglosson , written in Tracery and hosted on cheapbotsdonequick , like…markgritter (53)in bitcoin • yesterdayWhy has nobody been able to hack bitcoin?View the original post on Musing.ioIn fact, somebody has! Bitcoin Implementation Vulnerabilities relates an integer…markgritter (53)in mathematics • 2 days agoHigh-Powered Mathematical Software in your BrowserSageMath (or just "Sage") is open-source mathematics software, written in Python. The project's self-proclaimed…markgritter (53)in programming • 3 days agoDiscard Trees: a data structure for finding nonintersecting combinationsA "discard tree" is a data structure I invented that is keyed by bitvectors representing K-combinations. It permits…markgritter (53)in programming • 4 days agoCompiling swap()"How do I swap two variables without using a temporary variable?" is one of the dumber programming questions. Please…markgritter (53)in mathematics • 6 days agoMinimal covering combination setsIn abstract terms: Given an N-element set, how many L-element subsets do we need so that every K-element subset is a…resteemedveryspider (61)in contest • 10 days agoTeam of Two Contest - Engage and Create Together !A COLLABORATIVE ENGAGEMENT CONTEST Idea is to promote and reward authors reaching out to other authors on Steemit in…markgritter (53)in roguelike • 8 days ago"Your Next Roguelike's" top hitsI made a Twitter bot a couple years ago that tweets silly game ideas: @NextRoguelike , or "Your Next Roguelike."…markgritter (53)in programming • 8 days agoSaving a Twitter Timeline to Pandas for AnalysisMy application for a Twitter developer account was approved, and so I wrote my first program using the Twitter API…markgritter (53)in programming • 9 days agoScripting GDB with PythonEvery tutorial on how to use Python to control GDB (the GNU Debugger) starts with a line like "say you have hundreds…markgritter (53)in mathematics • 12 days agoAsymptotic Bounds You May Not Have Learned In SchoolComputer Science education teaches "Big O" notation for describing complexity upper bounds, and Big-Theta and…markgritter (53)in steemstem • 13 days agoLower bounds on time complexityI'm (slowly) continuing to read The Computational Complexity of Logical Theories , and it came in useful answering…markgritter (53)in programming • 15 days agoANSI C function pointers aren't like other pointersIs this C program valid? What does it do? #include markgritter (53)in ulog • 16 days agoTintri by DDNI accepted DDN's job offer today and will be Chief Technology Officer of the Tintri subsidiary. I'm looking forward to…markgritter (53)in photography • 16 days agoVMworld's Loading DockI attended VMware's annual conference last week, which was held at the Mandalay Bay convention center in Las Vegas. I…markgritter (53)in startup • 18 days agoI'm a co-founder of a bankrupt storage startup, AMAIn 2008, I started working with Kieran Harty on a startup focused on storage for virtual machines, called Tintri. We…markgritter (53)in steemstem • 18 days agoWhat complex equations require the quaternions to solve?Is there an equation in complex numbers that requires quaternions the way x² = -1 (in real numbers) requires…markgritter (53)in steemstem • 27 days agoLeonid Levin's Universal AlgorithmThere's an algorithm which solves SAT instances in polynomial time, if and only if P=NP. If P=NP, then it runs in…markgritter (53)in photography • 29 days agoA Photo in ProgressMy wife's introduction includes a photo of her reading at Rauðfeldsgjá Gorge, taken by @tcpolymath. I was…resteemedmarissalingen (48)in introduceyourself • 29 days agoA writer's short Steemit introduction.You would think that closing in on a hundred and fifty pieces of published short fiction would make me good at writing…