Because the benefits are:
Know the principle + can change the model details man: read the paper, read the paper, read the paper! Read source code read source code read source code! The source code reading here is not limited to reading the source code of one framework. You can look at other excellent frameworks. For the implementation mechanism of the same layer and the same function, you can think more, summarize more and write more. After a long time, there will definitely be gains. The purpose of reading the paper is to directly obtain the original author's thoughts, avoiding obtaining second-hand thoughts from blog interpretation of the paper. After all, everyone's understanding is different, and it is not necessarily right. Read it first, then look at other understandings, and discuss with Daniel more, thus broadening the thinking.
The first scheme is to use the general coding method to realize the preloading technology of the picture. First, create the imgNode element, Then when the method myImage.setSrc is called, a preloaded picture is given to the picture first, and when the picture is loaded, the img element is assigned a value. The second scheme is implemented by using proxy mode. MyImage function is only responsible for creating img elements, proxy function ProxyImage is responsible for setting loading pictures for the picture, and when the picture is really loaded, myImage.setSrc method in myImage is called to set the path of the picture. The advantages and disadvantages between them are as follows:
到了门外又想起一事，回头喊把宝儿带家来。
故事发生在名为浦之星的私立女子学院之中，一群充满了正能量的可爱少女们在此学习生活。其中，有九位闪耀着耀眼光环的少女们，她们共同为了成为校园偶像而努力的挥洒着汗水，在这条充满了挫折和荆棘的道路上，她们凭借着勇气和实力，究竟能够走多远呢？
尹旭轻轻点头道：这一遭当真是，麻烦你二人了，这份心意将会铭记心中。
绣骑铁马见英姿，百战峨嵋有所思17世纪，农民军首领李自成挥师河南前所未有声势浩大，罗汝才，袁时中归顺其军；闯王铭声威振朝廷，崇祯十五年更据襄阳称新顺王，本剧缘於中国历史大师姚雪垠之笔，汹涌彭拜，字字生动....闯王义女慧梅为大义牺牲儿女私情，但却无法阻止丈夫袁时中背叛闯王，在闯王与小袁营反目的争杀中，慧梅香殒魂消。
那么，林无敌究竟会选择正逐渐成熟的费德南？还是被雷囧这个这个半路杀出的“程咬金”成功抢走，便成了影迷们最关心的问题。据悉，《丑女大翻身》开机当天邓安奇便已入组，看来他所饰演的雷囧还将继续在林无敌与费德南之间横插一脚。
本片从两个不同角度讲述了一对夫妻的故事，他们从56K调制解调器的时代开始约会，并在接下来的二十年中维护着这段感情。
东汉末年，军阀混战，百姓流离失所，邪教主宏魔，趁机残害百姓，欲挑起华夏大地的动乱。为解除百姓疾苦，慈航主动领旨，投胎为兴宁国妙庄王三公主妙善。妙善从小聪慧异常，有一颗慈爱的善心，因此遭到宏魔嫉恨，采取各种卑劣的手段，欲加害妙善，致使妙善差点被妙庄王问斩。后妙庄王患恶疾生命垂危，而妙善的两个姐姐均以各种借口拒绝为父尽孝救命，危难时节，妙善毅然剜目断臂，献出双手双眼，使父王痊愈。妙庄王得知救命恩人是妙善时不禁老泪纵横，捶胸顿足，痛悔莫及。当妙善得知两位姐姐有难时，更是义无反顾，大智大勇，斗败了凶残的青狮，救出了水深火热之中的妙清、妙音及被囚的妙庄王，班师回朝。从此举国欢腾，百姓祥和。
Updated January 3
正在两人各怀心思、手底下也越打越慢的时候，从另一条岔道上传来隐隐的说话声。
Link to this article: Scratch2.0 Programming Tutorial Section 6: Event Module
Scattered poison gas
At the beginning, No one has linked these big wasps to the Vietnamese army. However, everyone knows that it is definitely not a good thing for this kind of thing to fly over. I also don't know who it is. I shouted a "fight" at the top of my voice. This loud cry is called a big one. I can actually hear it very clearly through the interference of the "buzzing" sound. Afterwards, I am still thinking, if there is no "buzzing" sound of these big wasps, how loud is this person's voice? I'm afraid the loudspeakers can't compare with them.
3. Physical period: Uniform circular motion is a kind of periodic motion. The so-called periodicity refers to the fact that after a certain period of time, the moving object repeats back to its original position, and the instantaneous speed repeats back to its original size and direction. The time it takes for an object to move in a uniform circle is called a period. The period is expressed by the symbol T, and the period is also a physical quantity describing the speed of uniform circular motion. The long period indicates the slow motion of the object, while the short period indicates the fast motion of the object.
一次意外，何之洲为救沈熹被巨型广告牌砸伤生死未卜。沈熹意外的发现了一片镜子碎片能够带她回到过去，抵达何之洲出意外前的时间节点，她这次选择与何之洲在一起， 两人高甜秀恩爱终于修成正果。与此同时，沈熹为了防止何之洲发生意外做出种种努力，不料意外还是发生了。而沈熹也因为种种宇宙规律回到了两年后，发现一切比曾经还不堪，她一次次尝试改变，在不同时空结界的何之洲虽然性格没变，身份却一直在改变着，是他，却也不是他，可无论如何，何之洲总是命中注定一般的爱上沈熹，沈熹幸福之余，只想让何之洲活下去，跟他一辈子幸福下去。沈熹渐渐发现从始至终都有神秘人在暗处捣鬼，而何之洲的死竟然也都是他一手安排，沈熹全力抵抗，不论如何都想要改写历史，然而所有的一切都无法改变。
Array Calls the array of reduce
李时言在剧中饰演纯情男朴东哲，一方面是充满魄力的警察面貌，一方面是在心爱的女人面前就会融化的内柔外刚角色。
里奇（约翰·大卫·华盛顿 John David Washington 饰）是一名天赋极高的外接手，然而，他那阴晴不定的性格和过分情绪化的个性迟早有一天会成为阻碍他前进的绊脚石。查尔斯（奥玛·本森·米勒 Omar Benson Miller 饰）同样是一名退役的橄榄球员，生活陷入停滞的他首要任务便是找到一份能够赖以为生的工作。球队新秀威尔诺（Kevin Humes 饰）那过于善良的性格让他很快就陷入了财政危机之中，当这些个性迥异的男人们走到一起，会发生怎样有趣的故事呢？
