Feb 3, 2014 I read a comment on a post on Hacker News where a young programmer said they didn't want to work at a place where older obsolete programmers were let go instead of being retrained, as they would be there some day. This person meant well,…

I can feel that I am making great progress now.. if inspected closely, it is obvious that what I'm getting through is, a newbie phase: coding details mask actual logic underneath It is interesting that it is very similar with situations when I first…

Introducing swddude I love the ARM Cortex-M series of microcontrollers.   The sheer computational power they pack into a teensy, low-power package is almost embarrassing. But, many Cortex-M parts are small — 4x4 millimeters small — and don’t have the…

In need of a programmer for PIC micro controllers I decided to build my own one. This programmer has been designated as "PIC JDM Prototype Programmer 1001" because it is very likely the 1001st PIC programmer :-) The programmer is basically opera…

在HTML5中,新增了progress和meter控件.progress控件为进度条控件,可表示任务的进度,如Windows系统中软件的安装.文件的复制等场景的进度.meter控件为计量条控件,表示某种计量,适用于温度.重量.金额等量化的表现. 目录 1. <progress> 进度条 1.1 特性 1.2 示例 2. <meter> 计量条 2.1 特性 2.2 示例 1. <progress> 进度条 说明:表示任务的进度,如Windows系统中软件的安装.文件的复…

前两天,登陆Oracle,发现登陆不上去了,报”oracle initializationg or shutdown in progress 错误提示” 错误. 然后就想着怎么去解决,首先自己到windows服务里去看了Oracle是否已经启动,发现已经启动,然后又看看监听服务是否启动,发现已经启动. 这就不知道为何了.于是上网百度了下这个错误,发现查询出来的结果很多. 在此总结下,启动失败的原因和解决方法. 启动失败的原因: 这个应该和window7系统有关系,如果window7系统,关机的时…

打开Replication Monitor,在Subscription Watch List Tab中,发现有大量的status= “Performance critical” 的黄色Warning,Latency 非常高,第六感告诉我,出事了,无法求援,只能强迫自己淡定下来,既来之,则安之. 1,查看status= “Performance critical” 的Subscription的Detail,在Distributor to subscriber history tab中查看Actio…

Js操控----HTML5 <progress> 标签 简单模拟下下载进度跑条 <h4>加载进度</h4> <input type="button" value="下载" onclick="DownloadStart();" /> <progress id="Download" value="" max="100"></p…

故障描述 当要运行SharePonit Products and Technologies Configuration Wizard的时候,出现了如下图所示的错误提示. 错误信息为: Unable to upgrade SharePoint Products and Technologies because an upgrade is already in progress. Upgrade progress can be monitored using the Central Administ…

What things should a programmer implementing the technical details of a web application consider before making the site public? If Jeff Atwood can forget about HttpOnly cookies, sitemaps, and cross-site request forgeries all in the same site, what im…