How do I gracefully detect idle time in JavaScript?

Can I detect idle time in JavaScript? My primary use case may be prefetching or preloading content. Idle time: Time when the user is inactive or not using the CPU #1st floor If you don't use jQuery, use just plain JavaScript: var inactivityTime = function () { var time; window.onload = resetTimer; // DOM Events docu ...

Posted on Sat, 25 Jan 2020 03:56:17 -0500 by irbrian

Gets the properties of an enumerated value

I want to know if I can get an enumerated value instead of an attribute of the enumeration itself?For example, suppose I have the following enumeration: using System.ComponentModel; // for DescriptionAttribute enum FunkyAttributesEnum { [Description("Name With Spaces1")] NameWithoutSpaces1, [Description("Name With Spaces2")] ...

Posted on Sat, 25 Jan 2020 02:54:08 -0500 by coho75

Zabbix Operations and Maintenance Monitoring Platform Build Records Quickly

1. Zabbix Operating Architecture Zabbix is an enterprise-level distributed open source monitoring solution.It can monitor the health of various servers, the stability of the network, and the reliability of various application systems.When monitoring abnormalities occur, Zabbix can configure alert mechanisms based on e-mail, SMS, WeChat and so ...

Posted on Sat, 25 Jan 2020 01:23:27 -0500 by dc_jt

Visualization of pneumonia infection types and numbers across provinces using R language based on geographic location

(Visualization of pneumonia infection types and numbers in each province) R language is faceted based on geographic location I don't know if you've seen any pictures like this: at first glance, you thought it was the periodic table of elements (Haha, chemistry is returned to the teacher).In fact, he d ...

Posted on Fri, 24 Jan 2020 22:14:53 -0500 by markduce

Storage and retrieval of shuffle results upstream and downstream of spark

When a job is separated as a stage in DAGScheduler, the entire job is sorted out into a ShuffleMapStage based on its internal shuffle relationship, and the resulting ResultStage iterates through its parent stage when submitted, adding itself to the DAGScheduler's waiting set and executing the child s ...

Posted on Fri, 24 Jan 2020 21:03:30 -0500 by douceur

Android Development - What is MVVM, MVVM Framework, Quick Start, Simple Use, Popular Explanation

Expect 10 minutes for full text reading This is probably the clearest explanation you've ever seen Subject_ Write before: Why do we use frames?When people invent something new, along with joy and cheer, the question that comes with it is how to produce it in batches. After all, new things are creat ...

Posted on Fri, 24 Jan 2020 20:30:14 -0500 by slshmily

Android Development - What is Data Binding for Jetpack, Quick Start, Simple Use, Popular Explanation

Expect 10 minutes for full text reading This is probably the clearest explanation you've ever seen theme_ Write before: In daily development, we usually use the method of findViewById to modify the UI. Now we have a TextView on our page. If there's something you can modify the text, textColor and o ...

Posted on Fri, 24 Jan 2020 20:22:52 -0500 by catlover

Baidu Encyclopedia Crawler

Achieve your goal: Crawl all the entries on the python entry page of Baidu Encyclopedia.   Goal Analysis: Write the function get_urls() to crawl the URL of all the entries on the python entry page, get the url, and then use the get_page() function to crawl the page content of the entry. Our goal is to get the title and introduction content on e ...

Posted on Fri, 24 Jan 2020 11:26:48 -0500 by cybercookie72

Android stopwatch Demo introduction

1. Android stopwatch Demo The code is mainly intercepted from the stopwatch module of system clock. Main principle: the post run able of View event updates the time and UI, which is different from our common Thread + delay, Handle + delay and TimeTask timing. At least I think it's amazing for the first time 2. Download G ...

Posted on Fri, 24 Jan 2020 10:57:58 -0500 by 121212

35 replication of complex linked list

Title: enter a complex linked list (each node has a node value, and two pointers, one to the next node, and another special pointer to any node), and the return result is the head of the copied complex linked list. (Note: please do not return the node reference in the parameter in the output result, otherwise the problem determ ...

Posted on Fri, 24 Jan 2020 10:53:30 -0500 by dave_2008