Today, pretty much everyone has a CPU, a DSP and a GPU, buried somewhere in their PC, phone, car, etc. Most don't know or care that they bought any of these, but they did. Will everyone, at some future point, also buy an FPGA? The market size... 続きを読む
Peter Bailis :: Highly Available, Seldom Consistent Mostly coherent adventures in distributed systems, databases, and beyond Non-blocking transactional atomicity 28 May 2013 tl;dr: You can perform non-blocking multi-object atomic reads and wr... 続きを読む
今までナチュラルにcrontab -eでcron編集をしていたのだけど、実はこれはとてつもなく危ないやり方だった。ということを、今さら知った。crontab -rの恐怖crontabコマンドにはrオプション(Remove)があり、これを実行すると何の警告もなく全てが消え失せる。 mac... 続きを読む
In this bar chart, the top ends of the bars indicate observation means and the red line segments represent the confidence intervals surrounding them. Although the bars are shown as symmetric in this chart, they do not have to be symmetric. In... 続きを読む
I’ve been discussing Jepsen and partition tolerance with Peter Bailis over the past few weeks, and I’m honored to present this post as a collaboration between the two of us. We’d also like to extend our sincere appreciation to everyone who... 続きを読む
README.md Probabilistic Programming and Bayesian Methods for Hackers Using Python and PyMC Bayesian method is the natural approach to inference, yet it is hidden from readers behind chapters of slow, mathematical analysis. The typical text on... 続きを読む
There’s a neat variation on open-addressing based hash tables called Robin Hood hashing. This technique isn’t very well-known, but it makes a huge practical difference because it both improves performance and space utilization compared to o... 続きを読む
SS Utility: Quick Intro Alexey Kuznetosv, kuznet@ms2.inr.ac.rusome_negative_number, 20 Sep 2001 ss is one another utility to investigate sockets. Functionally it is NOT better than netstat combined with some perl/awk scripts and though it is ... 続きを読む
Statistics Likes 1 Downloads 0 Comments 0 Embed Views 0 Views on SlideShare 0 Total Views 0 スケーラビリティと耐障害性を両立するWeb アプリケーション Presentation Transcript スケーラビリティと耐障害性を両立するWeb アプリケーション日本マイクロ... 続きを読む
Proving the Correctness of Nonblocking Data Structures Nonblocking synchronization can yield astonishing results in terms of scalability and realtime response, but at the expense of verification state space. Mathieu Desnoyers, EfficiOS So you... 続きを読む
wssh is a SSH to WebSockets Bridge that lets you invoke a remote shell using nothing but HTTP. The client connecting to wssh doesn't need to speak the SSH protocol - rather, the SSH connection is terminated at the bridge level and the pty is ... 続きを読む
We Recommend a Singular Value Decomposition In this article, we will offer a geometric explanation of singular value decompositions and look at some of the applications of them. ... David Austin Grand Valley State University david at merganse... 続きを読む
Latest Comments - "I see an aritcle here related to such a cpu spec database, I ca?..." CPU DB: Recording Microprocessor History - "I was the first Rational Rose evangelist for Rational Software ...." Death by UML Fever - "Love the video!! Mu... 続きを読む
1:00 2:00 3:00 4:00 5:00 6:00 さくっと飛ばす 7:00 8:00 9:00 10:00, 軽く説明 11:00 12:00 ここは軽くスキップ 13:00 14:00 15:00 16:00, ロジスティック回帰 , 20-newsgroup subtask alt.atheism vs. religion.misc, Batch GD 17:00 18:00 19:00 20:00 21:0... 続きを読む
New Since Last Visit See more news stories We Recommend My Discussions Log in to track your discussions. Forums Subscribe Video Log In Search Risk Assessment / Security & Hacktivism Anatomy of a hack: How crackers ransack passwords like “qea... 続きを読む
Dowser Dowser is a CherryPy application that displays sparklines of Python object counts, and allows you to trace their referents. This helps you track memory usage and leaks in any Python program, but especially CherryPy sites. Requirements ... 続きを読む
What is FUSE for OS X? FUSE for OS X allows you to extend OS X's native file handling capabilities via third-party file systems. OSXFUSE is a successor to MacFUSE, which has been used as a software building block by dozens of products, but is... 続きを読む
The first section of this page will let you do an HTML5 WebSocket test against the echo server. The second section walks you through creating a WebSocket application yourself.You can also inspect WebSocket messages using your browser. Try it ... 続きを読む
Ever wondered how those key files in ~/.ssh actually work? How secure are they actually? As you probably do too, I use ssh many times every single day — every git fetch and git push, every deploy, every login to a server. And recently I real... 続きを読む
Many probability distributions are so important in theory or applications that they have been given specific names. The Bernoulli distribution, which takes value 1 with probability p and value 0 with probability q = 1 − p. The Rademacher dis... 続きを読む