holysoros.github.io
俊杰的技术BlogRaquo; HTML5 浏览器存储的过去、现在与将来. Raquo; ActiveRecord 如何高效地获取随机 records. Raquo; 如何选择架构实现 Ruby 高性能程序. Raquo; 将 PPT/PDF 转为图片(Convert PDF or PPT to Image).
http://holysoros.github.io/
Raquo; HTML5 浏览器存储的过去、现在与将来. Raquo; ActiveRecord 如何高效地获取随机 records. Raquo; 如何选择架构实现 Ruby 高性能程序. Raquo; 将 PPT/PDF 转为图片(Convert PDF or PPT to Image).
http://holysoros.github.io/
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俊杰的技术Blog | holysoros.github.io Reviews
https://holysoros.github.io
Raquo; HTML5 浏览器存储的过去、现在与将来. Raquo; ActiveRecord 如何高效地获取随机 records. Raquo; 如何选择架构实现 Ruby 高性能程序. Raquo; 将 PPT/PDF 转为图片(Convert PDF or PPT to Image).
holysoros.github.io
如何选择架构实现 Ruby 高性能程序
http://holysoros.github.io/2015/02/02/how-to-choose-ruby-architecture.html
最近工作上写了一个需要处理较大并发数据的 Ruby 程序，简单来说就是, 每秒钟收到一个大压缩包，该压缩包是数千条 C Struct 封装后的信息经过 gzip 压缩的结果，程序需要解包，然后逐条处理数千条信息，在我们这里是解包后将每条存到 Redis 中. 这个 gem 解包，这个 gem 是纯 ruby 实现的，用起来的确很灵活，但是效率实在是较差. 使用. Gem 与 Redis 交互. 但是发现当线程池只有一个线程时，处理一个包的时间假设为 1s 而有两个线程时，每个线程处理一个包的时间变成了近 2s 以此类推。 这时想起了 Ruby MRI 的实现有 GIL. Ruby MRI has something called a global interpreter lock (GIL). It is a lock around the execution of Ruby code. This means that in a multi-threaded context, only one thread can execute Ruby code at any one time. 使用 UNIX S...
ActiveRecord 如何高效地获取随机 records
http://holysoros.github.io/2015/04/07/how-to-random-pick-record-with-activerecord.html
返回 Model 的所有 records ，浪费带宽，浪费内存，效率奇差，无节操。 先返回 Model 的所有 records 的 id ，然后随机选择 n 个，再次用 where 请求数据 效率不错，很有节操了。 数据库本身通常都提供 random 的语句，结合 ActiveRecord 的 order 可以用于获取随机 records. 看起来很牛逼的样子，只需要因此 DB query ，但是违背了 ActiveRecord 的 database-agnostic 原则，而且数据库本身的 RANDOM 实现的效率并不高。 尽管数据库的 random 语句各有不同，但 randumb-Adds ability to pull back random records from Active Record. Random record in ActiveRecord on SO. Efficiently Getting Random Records in Active Record. Easily select random records in rails.
通过travis-ci同步github到SAE
http://holysoros.github.io/2013/05/04/sync-github-with-sae-via-travis-ci.html
Command to install dependencies. Pip install -r requirements.txt - use-mirrors. Command to run tests. Sync-git-to-sae.sh holysoros@163.com server. Brief Sync your git commitment to SAE. Author LiJunjie, holysoros@gmail.com. Usage sync-git-to-sae.sh username [src dir]. Src dir is the root directory of all things which. You want to deploy to SAE svn repository. Var/tmp/svn dir # remove the deleted items from svn repository. Svn rm deleted (). Awk '{ print $2}'. Add new items from svn repository. Svn ci -m ".
HTML5 浏览器存储的过去、现在与将来
http://holysoros.github.io/2015/05/30/html5-storage-summary.html
Cookies (Past, Present and Future). 提到浏览器的本地存储，第一个想到的可能就是使用已久的 cookie ，cookie 在 Web 开发中被广泛使用，如 Session、Authentication 等，之前一些电商网站甚至使用 cookie 保存用户放进购物车的商品。 在每次的 HTTP request 中，都会传输 cookie ，当 cookie 用于 authentication 时，这是必要的 但是对于其他场景，这样不必要的传输会拖慢 web app 以及浪费带宽. 如果没有使用 SSL ，cookie 是明文发送的，会有安全性问题. Cookie 有 Expires 属性可以为 cookie 设置过期时间，当不为 cookie 设置过期时间时，用户关闭浏览器后 cookie 被删除 设置了过期时间的 cookie 被称为 Persistent cookie ，如果设置的时间较长，用户关闭浏览器后 cookie 不会被删除，只有到了过期时间才会被删除。 这个功能被用来实现登录界面的 Remeber me for two weeks 那个 checkbox。
将 PPT/PDF 转为图片(Convert PDF or PPT to Image)
http://holysoros.github.io/2014/08/21/convert-ppt-or-pdf-to-png.html
将 PPT/PDF 转为图片(Convert PDF or PPT to Image). 可以将 PDF/PPT 转化为 Image(JPEG, PNG等)。 是一个很强大的工具 Docsplit is a command-line utility and Ruby library for splitting apart documents into their component parts. Under the hood, Docsplit is a thin wrapper around the excellent GraphicsMagick, Poppler, PDFTK, Tesseract, and LibreOffice libraries. Extract the complete UTF-8-encoded plain text of a document to a single file. Burst apart a document into single-page PDFs. Retrieve a piece of metadata about the document....
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HolySonnet-X (Boston) - DeviantArt
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Holysonofagun (Mariah Maison) - DeviantArt
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Music | Holy Sons
Or browse results titled. 1 & (pageBandParentLabel() pageLabel() , col1: columns() = = 1, col2: columns() = = 2, col3: columns() = = 3 } ". 0 }" Other Linked Artists/Labels. Edit artists. add more artists. Please verify your email by clicking the link we sent to . Change email / Send again. Drifters Sympathy - Episode 1 - Moving to LA. Decline of the West, Vol. I and II. I Want to Live a Peaceful Life. My Only Warm Coals. B Sides / Rare Tracks. BED OF NAILS II. Unreleased Songs from the Late 90s.
Holy Sons
Skip to main content. Holy Sons —. The biggest and most beautiful Holy Sons record yet is recorded with John Agnelllo (Sonic Youth, Dinosaur Jr.) at the helm in Hoboken. Holy Sons —. Decline of the West I and II. The record that many consider the 'definitive statement' of Holy Sons gets a second volume of lost tracks added and a double vinyl re-release. (Originally released in Italy in 2006). Lilacs and Champagne —. Holy Sons —. Holy Sons —. That's already gaining steam in its first year. Emil joins lege...
俊杰的技术Blog
Raquo; HTML5 浏览器存储的过去、现在与将来. Raquo; ActiveRecord 如何高效地获取随机 records. Raquo; 如何选择架构实现 Ruby 高性能程序. Raquo; 将 PPT/PDF 转为图片(Convert PDF or PPT to Image).
Holysorrows' Meandering Thoughts
Holysorrows' Meandering Thoughts. My Top 20 Anime (for now). Time Traveler’s Guide. Thinking of making some new AMVs, here’s one I haven’t shared here. July 28, 2017. It has been some time since I’ve been around on here, and hopefully that will change as well. I’ve been sort of losing myself under other things going on in my life, but now I’m trying to regain a bit of that. Anyway here was my attempt at a sentimental AMV: A New Light Will Guide You. A New Light Will Guide You. February 6, 2017. Another s...
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Blog de HolySoul - Holy Soul - Skyrock.com
Mot de passe :. J'ai oublié mon mot de passe. Plus d'actions ▼. S'abonner à mon blog. Création : 23/07/2013 à 11:23. Mise à jour : 23/07/2013 à 15:40. Ce blog n'a pas encore d'articles. Abonne-toi à mon blog! Poster sur mon blog.
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