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New
The latest blog posts to take off on Hacker News. 2,098 posts.
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Storing Passwords Securely
Why "SHA 256-bits enterprise-grade password encryption" is only slightly better than storing passwords in plain text, and better ways to do it.
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PostgreSQL when it is not your job
( Note beforehand: I didn’t get everything. You really also have to look at his slides for the details. Thanks Christophe for posting the slides right afterwards !)
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I must be crazy
Chris Hulbert, Splinter Software, is a contracting iOS developer based in Australia.
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Hacking an ATM
At the Black Hat conference in 2010, an ATM designed and built by my employer was setup on stage, and a security researcher demonstrated an ...
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The Tesla Gun
<img decoding=”async” loading=”lazy” class=”alignright” title=”The5fists” src=”uploads/2012/05/The5fists-192x300.pngThe year was 1889. The War of the Current
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Selling your company doesn’t make you happy
I started my first company eight years ago in 2004 and I’ve been through two acquisitions. The first company I sold was DropSend in 2008 and the second was Carsonified in 2011.
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New to Ruby? Tips for the new Rubyist.
Jasim's homepage
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Fred Wilson's response to "Paul Graham's Letter to YC Companies"
I don't disagree with PG when he says that Facebook's IPO performance (or lack thereof) has the potential to impact valuations in startup land. I think it will be particularly impactful on the late stage and secondary markets where most of the IPO valuation speculation is happening. But let's put Facebook's current…
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Google Street View: A wolf in sheep’s clothing
I’m in the middle of taking the Coursera Machine Learning class -- which has been amazingly good -- and it recently covered how one could implement a machine-learning algorithm to power driverless cars.
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Why I stopped working on the Bongard Problems
Please note: this text was written in the summer of 2007, and explains why I, the author, took a long respite from working on my research topics, after the summer of 2006. At the time when I wrote this, and up until around 2011, I had really stopped my research — so the title was correct up to then. Later, after 2011…
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Building a MongoDB Clone in Postgres
I had a crazy thought. Don't all good ideas start with that phrase? Well, this one was suitably crazy: why not build my own version of MongoDB right on top of Postgres? It sounds a little far-fetched, but in all honesty it's pretty simple.
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Let's get a little louder
Julia Solórzano is a design leader and technologist specializing in GIS, web and mobile development, federated identity, design systems, and strategic leadership.
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Long range WiFi antenna from Illy coffee can
I have a stack of half finished projects that I'm trying to complete. Happily, the first one was finished late last night: a long range Wi...
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/dev/zero has infinite electrons and /dev/null has an infinite appetite for them
Delightfully useless epiphany: Suppose the null-byte is an electron. Then, /dev/zero provides an infinite supply of electrons and /dev/null has an infinite appetite for them. Let's call these devices Vss and Vdd , respectively.
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Heroku Isn't for Idiots: developer time and comparative advantage
My rant on David Cramer's The Cloud is Not For You: Heroku is just Ubuntu, enforces twelve-factor apps, has New Relic, and saved my team time and money.
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Why read books if we can’t remember what’s in them?
Your life is the best story! Just start your blog today!
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Urban trees reveal income inequality
Wealthy cities seem to have it all. Expansive, well-manicured parks. Fine dining. Renowned orchestras and theaters. More trees. Wait, trees? I’m afraid
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Using Twitter to Build a Password Cracking List - 1978 passwords out of 4400
This is going to be a quick one. We're going to show how to use twitter to build a word list for cracking passwords. We'll use John the Rip...
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Don't Waste a Single Moment
I’ve embarked on a new adventure as CEO & Cofounder of Referly – a startup that is helping anyone earn rewards for referring products they love and generat...
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Why Multi-armed Bandit algorithms are superior to A/B testing (with Math)
In a recent post, a company selling A/B testing services made the claim that A/B testing is superior to bandit algorithms. They do make a compelling case that A/B testing is superior to one particular not very good bandit algorithm, because that particular algorithm does not take …