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Docker Development Patterns
In the past I've written about my "home cloud" that used to be OpenVz containers, and how I've come to advocate rebuilding the "build server" for every build
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PHP 7's new hashtable implementation
About three years ago I wrote an article analyzing the memory usage of arrays in PHP 5. As part of the work on the upcoming PHP 7, large parts of the Zend Engine have been rewritten with a focus on smaller data structures requiring fewer allocations. In this article I will provide an overview of the new hashtable…
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A Lisper's first impression of Julia
I have recently looked at Julia , a new programming language developed at MIT that promises to be a dynamic programming language that is sui...
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Pervasive Monitoring Is an Attack
That’s the title of RFC 7258 , also known as BCP 188 (where BCP stands for “Best Current Practice”); it represents Internet Engineering Task Force consensus on the fact that many powerful well-funded entities feel it is appropriate to monitor people’s use of the Net, without telling those people. The consensus is…
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Stanford study finds walking improves creativity
News, research, and insights from Stanford University.
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CSRF in Doorkeeper OAuth2 gem
I read a post about CSRF on DigitalOcean (in Russian) by Sergey Belove . My first reaction was, obviously, how come ? DigitalOcean is not k...
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Nassim Taleb: We should retire the notion of standard deviation
The notion of standard deviation has confused hordes of scientists; it is time to retire it from common use and replace it with the more effective one of mean deviation. Standard deviation, STD, should be left to mathematicians, physicists and mathematical statisticians deriving limit theorems. There is no scientific…
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Mitro Releases a New Free and Open Source Password Manager
Good security practices require us to use different passwords for most or all of the websites and services we interact with. For accounts of any significance, those also need to be strong passwords of one form or another. But if you combine those two requirements (one password per site, most or all...
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HTTP/1.1 just got a major update
These documents make the original specification for HTTP/1.1 obsolete . As a HTTP geek, this is a big deal.
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Articles Every Programmer Should Read
A blog about Java, Programming, Algorithms, Data Structure, SQL, Linux, Database, Interview questions, and my personal experience.
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Reading the Silk Road configuration
Many of us believe it wasn't the FBI who discovered the hidden Silk Road server, but the NSA (or other intelligence organization). We believ...
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Game servers: UDP vs TCP
When writing networked games, the question of UDP vs TCP will eventually come up. Typically you will hear people say things like: “Unless you’re doing action games, you can use TCP̶…
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Dear clueless assholes: stop bashing bash and GNU
This is a defense of the most prolific and dedicated public servant that has graced the world in my lifetime. One man has added hundreds of billions, if not trillions of dollars of value to the global economy. This man has worked tirelessly for the benefit of everyone around him. It is impossible…
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Introducing Heroku Button
At Heroku, we want to make the process of deploying, running and updating code simple and easy. To that end, we’re launching the Heroku Button: a simple HT
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Go Concurrency Patterns: Pipelines and cancellation
How to use Go's concurrency to build data-processing pipelines.
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Firefox and Flux: A New, Beautiful Browser is Coming
It’s not an interface adjustment or tweak. It’s not a bug fix. It’s a complete re-envisioning of Firefox’s user experience, and it’s been brewing for the past five years.
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You shouldn’t use a spreadsheet for important work
I envy economists. Unlike computer scientists, they seem to be able to publish best-seller books with innovative research. One such book is Piketty's Capital. The book is reminiscent of Marx's capital in its scope. If you haven't heard about the book yet, it has a simple message: the yield on capital is higher than…