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Transfer from http://m.blog.csdn.net/blog/zhu530548851/21444459 DCT algorithm can be said to be the first step of lossy compression, more used in video compression. It transforms the two dimensions into one-dimensional data and aggregates the

This article mainly uses js Code to implement random color blocks. For more information, see the following code: Random color blocks implemented by js, code directly. /**/Js comment deleted Koringz *

This article mainly introduces the canvas ring Countdown Component Sample code, the content is very good, now share to everyone, but also for everyone to make a reference. This article describes the sample code for the canvas ring countdown

http://www.ifrog.cc/acm/problem/1049I usually look for the law in these maths problems.First the violence simulates the previous ones, and then finds (x, y) = (x, y-1) + (x-1, y) gets.But it's useless. Because to get (x, y-1) These, but also

CSS3 Four animations (rotate, enlarge, rotate, enlarge, move) In the page design, to some of the icons or pictures to add some animation effect, it will give a very comfortable feeling. Four commonly used animation effects are collected here for

Preliminary DIV+CSS Foundation CSS3 's Transform and transition description Mainly used for the rotate/scale of transform Several parameters of the animation transition

Pre-knowledge DIV+CSS Foundation Transform and transition usage of CSS3 Mostly with Transform's rotate/scale. Several parameters of the animation transition

CSS3 in the use of animation properties, can not be used for JavaScript and animation, the use of good, can do a lot of beautiful effect, recently, to explore the use of animation, do a few demo playIntroduction to the Animation propertyThe

POJ 2991 Segment tree + computational Geometry(2011-02-27 21:13:44)reproduced Tags: gossip Category: OI The question is really disgusting and disgusting, but it does change my view of the line tree, which is a

A tree, the direct tree-shaped DP (to find out the desired length of the downward and upward walk). If it is a ring set of trees, each tree on the ring does its own tree DP, and then the violent enumeration (the point --------------------------------