开启阅读模式 WATERHAMMER A COMPLEX PHENOMENON WITH A SIMPLE SOLUTION Waterhammer is an impact load that is the most misunderstood force known to pressure transducers today. A waterhammer is created by stopping and/or starting a liquid flow suddenly. The re…
Recently I built plug-ins support to my TemperatureStation IoT solution web site. The code for .NET Core is different from what we have seen on full .NET Framework (application domains etc) but there’s still nothing complex. This blog post describes…
Armed with the map and concatAll functions, we can create fairly complex interactions in a simple way. We will use Observable to create a simple drag and drop example with basic DOM elements. <!DOCTYPE html> <html> <head lang="en"…
You can find/fork the sample project on GitHub Hey! This and all my other tutorials will soon be moving to a new home at CloseBrace, a site for JavaScript developers. You should totally click that link right now, and sign up to be alerted when the si…
Read more: http://javarevisited.blogspot.com/2012/01/tomcat-javalangoutofmemoryerror-permgen.html#ixzz3QDWa3Zqi Tomcat web server often suffers from java.lang.OutOfMemoryError: PermGen space whenever you deploy and undeploy your web application coupl…
形象解释PID算法 小明接到这样一个任务: 有一个水缸点漏水(而且漏水的速度还不一定固定不变),要求水面高度维持在某个位置,一旦发现水面高度低于要求位置,就要往水缸里加水. 小明接到任务后就一直守在水缸旁边,时间长就觉得无聊,就跑到房里看小说了,每30分钟来检查一次水面高度.水漏得太快,每次小明来检查时,水都快漏完了,离要求的高度相差很远,小明改为每3分钟来检查一次,结果每次来水都没怎么漏,不需要加水,来得太频繁做的是无用功.几次试验后,确定每10分钟来检查一次.这个检查时间就称为采样周期. 开…
Move configuration information out of the application deployment package to a centralized location. This pattern can provide opportunities for easier management and control of configuration data, and for sharing configuration data across applications…
This article come from HEREARS-L1: Learning Tuesday 10:30–12:30; Oral Session; Room: Leonard de Vinci 10:30  ARS-L1.1—GROUP STRUCTURED DIRTY DICTIONARY LEARNING FOR CLASSIFICATION Yuanming Suo, Minh Dao, Trac Tran, Johns Hopkins University, USA; Hojj…
Optimizing Performance: Data Binding .NET Framework 4.5 Other Versions   Windows Presentation Foundation (WPF) data binding provides a simple and consistent way for applications to present and interact with data. Elements can be bound to data from a…
Chapter1 Introduction That is the art and talent involved in programming—reducing complexity to simplicity. A “bad programmer” is just somebody who fails to reduce the complexity. So, a “good programmer” should do everything in his power to make what…