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In this lesson, you will learn how to iteratively generate CSS selectors and attributes using Sass loops. We will create a gradient of 100 elements, e 阅读全文
posted @ 2019-01-03 02:46
Zhentiw
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Source, git Heap is a data structure that can fundamentally change the performance of fairly common algorithms in Computer Science. The heap data stru 阅读全文
posted @ 2019-01-02 20:26
Zhentiw
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Your page is showing high CPU usage and spinning up your laptop fan, but nothing is visibly happening. What is it doing, and why is it so slow? This l 阅读全文
posted @ 2019-01-02 16:19
Zhentiw
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Now by Zeit has recently been updated and now supports multi-language monorepos. In this lesson we'll build and deploy a simple app with an API powere 阅读全文
posted @ 2019-01-02 15:45
Zhentiw
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On Android and in Chrome (but not on iOS), it's possible to send push notifications with a PWA. We'll start by asking the user for permission to send 阅读全文
posted @ 2019-01-02 03:28
Zhentiw
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Let's say we have two strings: str1 = 'ACDEB' str2 = 'AEBC' We need to find the longest common subsequence, which in this case should be 'AEB'. Using 阅读全文
posted @ 2019-01-01 23:01
Zhentiw
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It's possible to access some, but not all, of the native device features from a PWA. One that we canaccess, is the camera and camera roll. We'll use t 阅读全文
posted @ 2018-12-31 21:38
Zhentiw
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Because an installed PWA is really just a web app running in a browser, there are some browser behaviors that we may not want in our app, if we're goi 阅读全文
posted @ 2018-12-30 15:32
Zhentiw
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Android displays a splash screen for PWAs based on the icons and names you provide, but iOS just displays a solid color splash screen for installed PW 阅读全文
posted @ 2018-12-30 15:26
Zhentiw
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We're storing JSON data in the cache - but that only applies to HTTP GET requests - and not to POST or DELETE requests. We'll add a fetch event listen 阅读全文
posted @ 2018-12-30 14:53
Zhentiw
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