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如下表格: ID PID CONTENT 1 1 OK 2 1 ERROR 3 1 ERROR 4 1 ERROR 5 1 OK 6 2 ERROR 7 2 OK 8 2 ERROR 9 2 OK 10 2 ERROR 11 2 OK 如何找出pid为1，content连续3次为error的数据...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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用vuecli搭建的项目，在修改css的时候，页面不会自己刷新

用vuecli搭建的项目，在修改css的时候，页面不会自己刷新，需要我自己手动刷新。请问这个是正常的吗需不需要装个什么插件？让他自己刷新吗？我用的webstorm在谷歌浏览器上运行的。我看见已经打包完了。比如随便修改个颜色。页面不会自己去刷新。只能f5刷新...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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antd 树组件展开动画掉帧严重？

RT，使用了ANTD 4.5.3版本的树组件，即使只有十来个节点，展开也异常的卡顿 data层级最高只有二级，而且即使只有一两个二级子节点展开也会异常的卡顿，完全就是PPT级别的应该不是数据量的问题 <Tree ... any) => { return ( /** 自定义tree节点渲染 */ ); }} ></Tree> 为什么会这么卡顿呢？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Getting error while reading a property after calling a rest service from Angular

I am new to Angular and working on a mock application. I am trying to call a rest service and then reading a property from the ... with Id : ${this.hero.id} is selected`); } }...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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安装了uwsgi后，为什么仍然没有uwsgi这个包？

我使用pip3安装了uwsgi，提示安装成功，但是在代码中却无法import uwsgi，提示无法找到这个包我到/usr/local/python3/lib/python3.6/site-packages/目录下需要这个uwsgi目 ... freeze却能查到这个包： pip freeze | grep -i uwsgi uWSGI==2.0.19.1...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vue跨域请求请求头中无cookie

由于某些原因需要跨域传cookie 如页面地址是 foo.com 服务端接口地址是 bar.com Nginx已经做了如下配置 add_header Access-Control-Allow-Credentials true; add_header Access- ... 没有cookie这一项是不是根本就不支持呢？还是说还需要哪些额外的配置呢...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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bash - How to use both a variable and a changed variable in the same command

in simple I want to execute one command over many files and am trying to do that with a for do done loop. dwebp foo. ... do done loop, or a better way to achieve the same thing?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Splitting string when the parameter is backslash

I have been trying to do a very simple task but seems pretty hard. I am trying to split a string at the ... way to simply chop up words using the backslash as the delimiter?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - how to create binary search tree 2d model from these codes?

hi im new to codings and i have to print my binary search tree in a 2d model but this codes only print the orders of ... merging the two codes but it gives me error i cant fix it....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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这两种情况对网站网页打开速度的影响？

配置一 cpu双核（负载20%以下） 8G内存带宽100m essd硬盘配置二 cpu四核（负载10%以下） 8G内存带宽100m ssd硬盘同样的网站内容，访问速度会有差别吗？差别会明显吗？cpu是主要原因吗？...

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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Webpack运行报错

npm run dev 运行报这个错是配置的哪里错了 Invalid configuration object. Webpack has been initialised using a configuration object that does not match the API ... ） ### 你期待的结果是什么？实际看到的错误信息又是什么？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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plupload多个按钮上传的问题

<FormItem style={{marginBottom: 0}} fullWidth> {snapPic ? <div className={styles.cardUpload} name="headVideo" onMouseMove={() => setShowEdit(true)} ... 才上传，否则不上传，为什么点击图片也会触发上传的动作？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Nginx碰到个奇怪的问题

一共前后拿了三个域名做反向代理测试，现在已经把反向代理取消了并且在宝塔面板里把站点也删除了现在出现的问题是如果在前端向任意一个域名发送post请求，如果设置请求头为： header{"Content-Type": "multipart/form- ... 才能恢复未绑定站点的显示页面如果请求为get或者请求头和实体一致就没问题，现在不知道要怎么解决？...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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excel - How to reference an open workbook with a macro that is stored in my "Personal.xlsb" workbook?

I am trying to copy data from any previously made workbook. My macro works as far as selecting the file to ... OpenBook.Close False End If Application.ScreenUpdating = True End Sub...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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react-router动态添加路由，最后一项404路由为何一直能匹配成功？

如果是把所有路由都直接列出来则正常，刚学习react-router，想实现类似通过自定义路由表动态生成路由的功能，发现最后一项404路由总是能匹配成功，似乎这样写Switch成功匹配到了两个路由。react-router-dom版本5.2.0...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Elisp 返回成带英文引号的字符串

Elisp 怎么将 (concat "TODO" (setq c "将 Org 写作结构")) 返回成带英文引号的字符串 "TODO将 Org 写作结构" 而不是 TODO将 Org 写作结构我要将这个字符串用在命令行中...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Hystrix仅对RuntimeException熔断还是也对Exception熔断？

我知道针对下面的情况，hystrix会熔断 @HystrixCommand(...) public doA(){ ... throw RuntimeException(); } 但是如果抛出的是checked Exception呢？ ... ..) public doB() throws Exception{ ... throw Exception(); }...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript的console.log封装问题

各位大神好: 小弟想通过封装js的console.log方法来达到自定义的效果，比如我写了一个Log的类，在里面执行console.log方法，但是我在A类调用这个方法的时候，输出的文件名和行号不是A类的，而是Log这个类的，这样一来所有的调 ... 但是实际显示是 Log.ts:3 ，所有的打印都显示日志类的名称和行号我希望能显示 A.ts:5 求助...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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A服务器上远程访问B服务器的mysql，提示Access denied且提示是一个本地IP

我在A服务器上远程访问 B服务器的mysql, 为什么提示我的ip是 172.16.0.1 （A 和 B 服务器隔着天南海北，不在同一个局域网） PS: 其它服务器远程访问 B服务器的mysql 均能访问...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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does not contain bitcode.

flutter开发引用的一个开普勒的插件，然后今天更新了下android studio flutter dart，然后突然之间打包ios报错 /JDKepler/JDKeplerSDK .framework/JDKeplerSDK(KeplerApiManager.o)' does not ... 了，有没有大神求助模拟器没问题，真机或者打包的时候就报错...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Is it possible to create nested pdf documentation with sphinx+intersphinx?

I have a project B thats needs project A to work, so I'd like to embed documentation of A in the one of B, and, this document ... .path.join('..', 'projectA', '_build'), None) +} +...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Add multiple DataFrame series to new series in same DataFrame

I have a dataset in a .csv which I imported into a DataFrame using pandas, organized in the following manner (obviously ... (presumbly via data.dropna() or some other function?)....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to find a node with a shortest path of length equal to some number in networkx python?

I have a simple code to create a graph,G in networkx. import networkx as nx import matplotlib.pyplot as plt %matplotlib ... m trying to apply this method to solve a bigger problem....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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关于react绑定事件,闭包传参内存泄漏问题

先上代码 function InputForm({ onSubmit = () => {} }) { const [data, setData] = useState({ task: "", price: "", type: "", ... 是否改成 onChange={(e) => formChangeHandler(e, "task")} 会好一些?...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.7k views

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Replace java platform system logger with slf4j in spring boot application

I've got a spring boot application build as multi-modular gradle project (old-style, not fancy jigsaw) What I want to ... need? And will it even allow me to achieve my goal?...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.6k views

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这个sdk中这个文件的使用方法是什么？

标题不知道咋起了，随便起了一个涉及的文件地址如下： aliyun/openapi-sdk-php/src/IdeHelper.php https://github.com/aliyun/ope... 上面的文件中的注释中的这种写法是什么意思？还有就是这个 ... 的时候，用这种有什么优点吗另外：对贵公司的业务并无冒犯之意，只是看看大神们的代码 ...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.7k views

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layout 的入参类型定义是什么写法

一般都是这样定义参数类型的： export const layout = (initialState: Any): BasicLayoutProps => { 或 interface xxx{ } export ... } }, menuHeaderRender: undefined, ...initialState?.settings, }; };...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.7k views

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关于登录写入cookie的问题

比如浏览器输入：baidu.com/xxxx 的时候，会给浏览器cookie写入一些登录信息当前端在项目(非baidu.com域名)中点击一个需要跳转到baidu.com/ccc页面，并且是登录状态（因为之前访问baidu. ... 用户无感知先访问baidu.com/xxxx，再访问baidu.com/ccc nginx反向代理可以做到，还有别的方式吗？...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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