最近帮一个客户分析SQL语句的问题,大致经过如下 场景: 委托方有一个用于追踪他们产品的系统,每个产品都会卖给许多客户:但是客户又被从业务上分成两类,一类是带有合作伙伴性质的,这个 合作伙伴通常会给予产品一些建设性的意见,和问题反馈:还有一类就是普通客户了. 程序的第一个版本 create table customer( id int not null auto_increment, -- 客户id name ),-- 客户名 constraint pk__customer__id primar…

Apple的App Analytics统计平台你必须知道的Q&A整理与翻译 Apple最近在iTunesConnect里最新发布了App Analytics统计平台,提供了现有友盟统计平台和自有统计平台无法统计的数据,具有自己的独有特点,尤其是下面几个最让人头疼的流量分析转化,可以在App Analytics里得以解决,例如: 推广链接转化 网站流量来源 由于苹果自己的统计方式和其他平台有所区别,且文档只提供了英文版,故整理了常见的Q&A并翻译,其中问题的翻译,会保持和Apple自己的中文…

A suspect sent a threatening letter in Naver Line App to Richman, and said that he wanted those money wired to a specified account "3398-239775-07". Richman replied to him "What the hell?"..Richman thought that it's a joke or something…

iOS Developer LibraryDeveloper Search Local and Push Notification Programming Guide PDF Table of Contents Introduction Local and Push Notifications in Depth Scheduling, Registering, and Handling Notifications Apple Push Notification Service Provision…

整个流程分为两部分:vendor,customer. 一.Vendor 1.成为一个 MDM Vendor 1) 首先你须要拥有一个 Apple Enterprise account($299/年). 2) 訪问 https://developer.apple.com/contact/submit.php.在这里你能够申请成为一个 MDMVendor: 苹果的承诺是一个工作日内处理完成,处理好会向你的邮箱发送一封通知邮件,并在邮件中提供一些 MDM 相关的文档链接. 实际上的时间可能会比这个稍长…

All cover letters should: Explain why you are sending a resume. Don't send a resume without a cover letter.  Don't make the reader guess what you are asking for; be specific: Do you want a summer internship opportunity, or a permanent position at gra…

当下,你想不听到Apple Watch的消息都难.这款智能手表在三月初发布时,有关它的新闻报道铺天盖地.记者们在博客上对发布会的每个阶段进行了实况报道,苹果粉丝们通过博客. 推特和YouTube视频对这款智能手表展开了热烈讨论. Apple新贵Apple Watch 为了防止世界上还有人不知道这款设备,苹果最新的iOS操作系统自动在数百万iPhone手机中 嵌入了Apple Watch应用.这款应用包含一则Apple Watch广告.一段由首席设计师乔尼?伊夫 (Jony Ive) 讲解Appl…

Now that I have my Mac and app source code. I’m ready to start working on my first app. The next step is to sign up for the Apple Developer’s License. This is a required step that will cost $99 a year. Having the Developer’s License will allow you to…

Apple's latest product launch could breathe new life into a technology that failed to take hold the first time: fingerprint scanners. Placing a finger on a computer or smartphone has long been proposed as a way to avoid the need for passwords to auth…

Data Flow Diagram with Examples - Customer Service System Data Flow Diagram (DFD) provides a visual representation of the flow of information (i.e. data) within a system. By creating a Data Flow Diagram, you can tell the information provided by and d…