B. Install yum-utils, which provides yum-config-manager, which can be used to manage yum source (the system can not execute it if it comes with it)
现在：离别、厌恶、受伤。
只要当着人的面拜了堂、成了亲，就必须得认？老臣威严地说道：老夫绝无此意，尔不可断章取义。
In popular terms, it is to use network node resources such as IDC server, personal PC, mobile phone, smart device, printer, camera, etc. to launch a large number of attack requests on the target, which leads to waste of network resources, congestion of link bandwidth, depletion of server resources and interruption of service, making it impossible to provide normal services to the outside world, and only game over can be announced. The detailed description is shown in the following figure:
因郑青木将表弟杨来财招来给自己帮忙管事，二舅舅杨得志一家就跟着过来了，如今也住在清南村。
The setting method is shown in the following figure
A seemingly confident comedy writer, wife and mom comically exposes her inner immaturity and neuroses through unexpected life situations.
Template Method Mode:
What I actually want to say is that explosive mushrooms and ghost drugs cannot be drunk together. If you drink one another, you will not be allowed to drink it. You cannot superimpose it.
阿波罗对于上次的失败也非常介怀，他多次给洛奇制造麻烦，逼迫他重出江湖。虽然太太反对，但洛奇仍然紧锣密鼓，开始做好比赛的准备，他的决心终于得到亲人的支持。在亲友的协助下，他苦练拳术，走上赛场，和阿波罗展开惊险搏斗。
The principle of opening and closing means opening to expansion and closing to modification. When the program needs to be expanded, the original code cannot be modified, but the original code should be expanded to achieve a hot plug effect. Therefore, a summary of one sentence is: in order to make the program scalable, easy to maintain and upgrade. To achieve this effect, we need to use interfaces and abstract classes, etc. We will mention this point in the later specific design.
1. The registerForm.onsubmit function is relatively large, and the code contains many if statements;
,李副将听在耳中，心里不禁咯噔一下。
不过狼兵也当真有趣，主抢粮食，其次是肉，再次是布，至于真正值钱的字画玉器倒是不闻不问，做文雅生意的都逃过一劫，经营衣食住行的只能认栽。
In fact, each design pattern is a very important idea, which looks very familiar. In fact, it is because what we have learned is involved. Although sometimes we don't know it, it is actually reflected everywhere in Java's own design, such as AWT, JDBC, collection class, IO pipeline or Web framework, in which design patterns are everywhere. Because of our limited space, it is difficult to talk about every design pattern in great detail, but I will try my best to write down the meaning clearly in the limited space and space so as to make everyone understand better. If there is no accident in this chapter, it should be the last talk of the design pattern. First of all, it should be the figure at the beginning of the previous article:
笑道：尹将军设计的这些东西用起来还真不耐，给我拆，拆了围墙，挖开道路，快。
亚当（汤姆·希德勒斯顿 Tom Hiddleston 饰）和夏娃（蒂尔达·斯文顿 Tilda Swinton 饰）是一对携手共同穿越了数百年时光的吸血鬼恋人，从中古走到现代，两人经历了人类社会的数度大起大落，目前分居底特律和坦吉尔两地。亚当是一名地下音乐人，他厌恶无能又残暴的人类，将他们称作“僵尸”，陷入了抑郁的情绪中无法自拔的亚当甚至购买了木质子弹，打起了自行了断的念头，得知了恋人的糟糕状态，夏娃千里迢迢赶到了亚当的身边。短暂的重逢为亚当带来了新的希望，但令他感到不快的是，夏娃那臭名昭著的妹妹艾娃（米娅·华希科沃斯卡 Mia Wasikowska 饰）亦闯入了他们的生活之中。艾娃的到来带来的是灾难和诅咒，她不仅杀死了亚当唯一的人类朋友伊兰（安东·尤金 Anton Yelchin 饰），更将姐姐和姐夫两人的生活搅得一团糟。
The strict mode mainly has the following limitations.
Non-combustible fibers: asbestos, glass fiber and metal fiber.
明治政府建立二十余年，新时代虽已来临，却似乎与人们心中——尤其是维新志士心中的那个理想国度相差甚远。国家仍处在大时代的动荡惶恐之中，战争的阴影仍笼罩在日本的上空。
