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    redis通过修改配置文件来开启aof持久化模式,在集群状态下,将从机的配置文件改为aof,当主机宕掉之后,推选从机作为主机,那么该主机的模式变为aof模式,宕掉的主机再次启动时,自动变为从机,是rdb模式,请问大佬们有没有办法使从机默认保持aof模式,主机默认保持rdb模式呢......
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    问题描述 async中的await后面的微任务是否应该先于async中settimeout中的宏任务先行完成呢? 问题出现的环境背景及自己尝试过哪些方法 实际结果是顺序完成的,为什么不是所有微任务完成后再运行宏任务呢? 相关 ... > <h1>2今天吃烧烤</h1> <h1>3今天吃烧烤</h1> <h1>4今天吃烧烤</h1> test122222223...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    前端代码里通过网络请求能访问到接口,但是为什么直接在地址栏里输入接口地址不行呢...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    <template> <div class="list-wrapper"> <div class="list-block" v-for="item in 3" :key="item" > <div class="block" v-for="sub in 3" : ... ], }; }, 比如 position是我选择的那个元素,怎么给这个元素设置样式?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    <NoteSidebar @update:notes="val=>notes=val"></NoteSidebar> 上面代码@update:notes="val=>notes=val"这句话是什么意思?这...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    在配置打吧命令的时候,配置了--mode test之后,没有了给打包出来的app.js加上hash后缀,请问如何加上hash后缀呢?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    这是PC下的展示: 切换成移动视图就乱了: 这是别人做的,也是我想要的效果: 就是不要求响应式,切成移动端的适合布局不要太乱(像图3一样就行) 大佬们给个思路...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am working on project in which i supposed to detect defect in PCB i have already tried image subtraction method. It ... cv2.imshow("mask", mask) cv2.imshow("erode", erode)...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    First of all I'm bound to the Java 1.7 and Java Spark 1.6 I have a lot of columns and data but let's follow ... to do this through the Spark Sql or transforming this into RDD etc....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    在说明文档中看到这样的说法: clusterAdmin:只在admin数据库中可用,赋予用户所有分片和复制集相关函数的管理权限 readAnyDatabase:只在admin数据库中可用,赋予用户所有数据库的读权限 readWriteAnyDatabase:只在 ... 只在admin数据中可用 但是却又 赋予用户所有书库据的读写权限 感觉是相矛盾的?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am using Google sign-in in my website (ASP.NET Webform app) based on the following link "https://developers.google. ... again. Please help me out on this. Thanks in advance!...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    function Foo() {} Foo.prototype.method = function(a, b, c) { console.log(this, a, b, c); }; Foo.method = function() { ... 和[...arguments].slice(1)两部分,并且把arguments[0]作为call方法的this值...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am having an issue using PHPmailer class in laravel ,sometimes the email is sent and in very rare case its not sent but after ... = 'Hey'; $mail->AltBody = ''; $mail->send();...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1.7k views
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    DolphinDB中想查询某个symbol字段的所有取值,应该怎么操作?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1.8k views
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    执行语句 composer require topthink/think-worker 1.0.* 谁知道这个是怎么了? 不知道该怎么下手...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    java好不好学?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    已经安装好了node.js,express,express-generator 然后运行: 请求后端接口报错了: 在本地运行都能访问的: 在网上查找一番后,修改了一写地方: 项目配置: express的packpage.json: 但是还是没有解决,还是报404 不知道怎么回事,求解答~...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    在父级定义了createContext共享数据,想让子级console组件包括console嵌套进来的子级也能获取到,但是console组件都获取不到。。找了半天不晓得为啥,写法看着没错呀...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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2.9k views
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    我想实现的效果如下: 我有一个数组,数组内每个对象都有一个动画的起始时间和动画的执行时长 在动画最开始的时候,会有一个总的计时时间,当当前计时满足数组内的动画起始时间的时候,数组的动画(某个方法)执行 数组对象类似于: ... 是每个对象都单独执行一个setTimeout方法,执行完清理掉 但是我感觉这种方法不方便,想咨询下各位有没有更好的解决方案 谢谢...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am a Tensorflow-newbie, therefore bear with me if my question is too basic or stupid ;) I tried to reduce the size of ... Tensorflow? Is there a better way to do it? Thanks! :)...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    nacos源码中对tasks加锁,不懂为何要这样使用 public class NacosDelayTaskExecuteEngine extends AbstractNacosTaskExecuteEngine<AbstractDelayTask> { private final ... } finally { lock.unlock(); } } }...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    想要实现这种布局。 每一行等高,里面有若干个块,每个块等高,不等宽。 请问该如何实现。...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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4.3k views
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    I am new to Python/Django, so please bear with me! I've read all the other threads but I still don't get ... really appreciate if someone could help me out. Thank you in advance....
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    When should I store the Subscription instances and invoke unsubscribe() during the NgOnDestroy life cycle and when can I simply ... ); } ngOnDestroy() { this.sub.unsubscribe(); }...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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3.9k views
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    学习前端知识,遇到一个问题,在不同的标签设置font-size,导致li标签高度不一样(浏览器是chrome): 问题部分HTML代码如下: <div class="top"> <div class= ... padding: 0; box-sizing: border-box; border: none; } div { display: block; }...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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4.0k views
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    在namecheap上买了域名和ssl,然后用的生成的csr,namecheap激活后他给了我三个文件(域名_ca.bxxxx,安全证书,pcsk#7证书)开通过clloudflare,握手失败(525) 所以我就关掉,内网用的natapp穿 ... 快奔溃了,(wamp搭建的wordpress 有安装ssl插件,之前用的natapp二级域名没有任何问题,)...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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4.2k views
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    Trying to achieve the below result but not able to find the correct process or code to resolve it. Please find any solution. List<Map<String, ... 'b': 'ab-', 'c': ['c1','c3']}];...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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4.2k views
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    “此页上的代码禁用了反向和正向缓存” 什么原因? 使用vue制作项目在ie上报“此页上的代码禁用了反向和正向缓存” 网上说的五花八门,有没有专业的朋友解释一下是为什么呢?...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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