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How to get scrollbar position with Javascript?

I'm trying to detect the position of the browser's scrollbar with JavaScript to decide where in the page the current view is. My guess is that I have to detect where the thumb on the track is, and then the height of the thumb as a percentage of the total height of the track. Am I over-complicating i...
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Looping through a hash, or using an array in PowerShell

I'm using this (simplified) chunk of code to extract a set of tables from SQL Server with BCP . 7 Answers ...
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新浪是如何分析处理32亿条实时日志的? - 更多技术 - 清泛网 - 专注C/C++及内核技术

...后就开始接触实时日志分析相关的技术,主要是ELK(Elasticsearch、Logstash、Kibana),当时是学习+ELK优...【编者的话】我从2014年初入职新浪后就开始接触实时日志分析相关的技术,主要是ELK(Elasticsearch、Logstash、Kibana),当时是学...
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程序员之网络安全系列(二):如何安全保存用户密码及哈希算法 - 更多技术 ...

....3 :004 > puts Digest::MD5.hexdigest('I love you') e4f58a805a6e1fd0f6bef58c86f9ceb3 => nil 2.2.3 :005 > puts Digest::MD5.hexdigest('I love you!') 690a8cda8894e37a6fff4d1790d53b33 => nil 2.2.3 :006 > puts Digest::MD5.hexdigest('I love you !') b2c63c3ca6019cff3bad64fcfa807361 => nil 2.2.3 :00...
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STL 算法 - C/C++ - 清泛网 - 专注C/C++及内核技术

...算法概述 简介: STL算法部分主要由头文件<algorithm>,<numeric>,<functional>组成。要使用 STL中的算法函数必须包含头文件<algorithm>,对于数值算法须包含<numeric>,<functional>中则定义了一些模板类,用来声明函数对象 注意: 编译器无法...
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糯米推全景地图 让竞争对手们如何接招? - 资讯 - 清泛网 - 专注C/C++及内核技术

糯米推全景地图 让竞争对手们如何接招?【糯米推全景地图 让竞争对手们如何接招?】当然,新美大、腾讯、阿里可以效仿,可以克隆,可以尽快迎头赶上。其实,我很看好阿里能够迎头赶上,但阿里会如我所愿吗?当然,新...
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Android中Java和JavaScript交互 - 更多技术 - 清泛网 - 专注C/C++及内核技术

Android中Java和JavaScript交互interaction-between-java-and-javascript-in-androidAndroid提供了一个很强大的WebView控件用来处理Web网页,而在网页中,JavaScript又是一个很举足轻重的脚本。本文将介绍如何实现Java代码和Javascript代码的相互调用。如...
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国务院常务会议“大数据” - 资讯 - 清泛网 - 专注C/C++及内核技术

国务院常务会议“大数据”国务院总理李克强7月28日主持召开国务院常务会议。《第一财经日报》记者统计,新一届政府就任至今,国务院常务会议已经召开近百次。  这...国务院总理李克强7月28日主持召开国务院常务会议。...
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How to use single storyboard uiviewcontroller for multiple subclass

Let say I have a storyboard that contains UINavigationController as initial view controller. Its root view controller is subclass of UITableViewController , which is BasicViewController . It has IBAction which is connected to right navigation button of the navigation bar From there I woul...
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How do I get ruby to print a full backtrace instead of a truncated one?

When I get exceptions, it is often from deep within the call stack. When this happens, more often than not, the actual offending line of code is hidden from me: ...