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ssl - Couldn't find the expected Java Key Stores (JKS) files! They are mandatory when encryption via TLS is enabled with Kafka Bitnami helm chart

I'm deploying the kafka bitnami chart with TLS enabled for the external client for testing. I follow the ... keystore password: Certificate stored in file <signed_exported.crt>...

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

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516 views

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php - Failed to download metadata for repo 'InstallMedia-BaseOS' on Centos 8

i try to upgrade php from 7.3 to 7.4 in centos 8 but i accidentally run this command which is yum clean all and ... r /var/cache/dnf but still same . I hope my explaination clear...

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

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663 views

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Vue使用onDownloadProgress实现进度条计算的数字太快el-progress的color渲染跟不上。

<el-progress type="dashboard" :percentage="this.complete" :color="colors"></el-progress> onDownloadProgress :progress=>{ ... this.complete = complete console.log(this.complete) },...

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

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vue 表单多语言配置,切换英文的时候,label 过长,样式如何处理

表单中文的时候,label-width="80px" ,当切换成英语的时候,label 可能会超过80 ,然后就自己换行了,有什么办法自适应,根据所有label 取最长的长度去设置label的宽度,切换到英文的时候,label 宽度就设置长一些目前做法是:按照英文的最长长度设置label-width,但是切换成中文的时候,label又太空了...

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

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776 views

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容器宽高固定，字数不定，请问如何使字体大小自适应容器大小？

如题：容器宽高固定，字数不定，请问如何使字体大小自适应容器大小？达到下图这样的效果：...

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

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649 views

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echarts或者zrender绘制成熟度曲线图

可以使用echarts或者zrender绘制一个成熟度曲线图吗？例：找遍了百度和谷歌，没有相关案例。第一次提问，感谢大佬们?...

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

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Jest怎么测试非模块函数，又怎么测试未导出的函数？

如果在一个项目中，有一个js，并没有使用export导出函数，那 Jest 该怎么写测试文件？又或者只导出了函数 a，但是函数 b 没有导出，那我不想导出 b 给外部，那怎么写测试函数 b 的测试文件？ // ... (a,b){ return a + b } (function(){ test(1,2) })() // test.test.js ???...

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

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求一个正则表达式。。

主要是用来验证不同类型的ip地址的，ip地址类型如下：第一种：10.224.64.*（最后一位随机）；第二种：10.224.64.1/3/5（表示10.224.64.1或10.224.64.3或10.224.64.5）；第三种：10.224.60/ ... 以上几种都是以字符串的方式传递到后台，只是要验证不同地方的/和-，求大神给一个符合要求的表达式...

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

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493 views

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用手机浏览器打开没问题，但是在微信内部打开页面，轮播图无效

<div class='slide-show-container'>  <!--<img class=' ... box; /*padding-left: 9pt;*/ /*padding-right: 9pt;*/ }...

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

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407 views

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c - ‘struct packet’ has no member named ‘token’

I can't find the problem in this struct declaration. For some reason, variable token does not exist. packet.h: ... /file_exec.c src/worker_admin.c -DDEBUG -DLOG -Ilib -lpthread...

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

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407 views

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class - What is the difference between call() and __call__() method in python?

In the tensorflow documentation I see the call() method defined when subclassing activations and models. However, in case ... myself. Could someone tell me what the difference is?...

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

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494 views

1 answer

filter - how should I delete non numbers in list use prolog

I should remove all elements of List that are not a number greater than number. I can solve it just for numbers. but when the ... ). and ?- greater_nrs_only(6, [ ], X). is false...

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

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532 views

1 answer

这种前端效果叫什么名称呢？可以用哪些方法实现呢？常用的是哪种？哪种性能更高呢？

如题，我想到的办法是可以把每个数字做成图片、使用js调整图片就可以了还有一种是写一个div填充背景色。然后找这种字体的数字。显示在背景前面、效果如下：...

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

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205 views

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java - Rotating Vector to Target Point

Basic Explanation: I have a Path and a Target Point, I want the Path to rotate so that the Path's end point connects ... location (which is the where I want the path to start)....

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

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374 views

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react native - onDropdownClose() is not a function error

I have used this package react-native-dropdown-autocomplete several times and there on this particular page I do not ... and really need to understand. Thank you for your time...

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

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465 views

1 answer

如何获取字典一组键值的最后一个元素

在DolphinDB database中，定义了一个字典，它的值是一个vector，比如下面的字典d： d=dict(STRING,ANY) d[`600001.SH]=10 11 12 d[`600002.SH]=61 62 63 对于这个 ... (最后一个元素，比如600001.SH的12，600002.SH的63)组成，请问有没有简单的实现方法？...

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

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439 views

1 answer

wpf - C# Using Caliburn Micro on console application

We have a WPF application which should be used also like console application and gives us response based on the input ... so, how should I configure CM on a console application....

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

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392 views

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大量Excel数据转数据库存储后，可视化增删改和接口读取实现问题

我们目前数据运营团队有很多数据是使用excel存储的，有几百个，每个excel的格式即打开之后的行列数量显示信息格式都不同现在需要把所有这些excel内的数据放到线上数据库内，并且保证之后运营人员可以在线可视化增删改查我们一些线上的产品需 ... 表的方式，那么在读取所需字段提供给线上产品时也需要按照每个表的内容做一次，工作量很大，不知道是有其他方式实现...

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

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239 views

1 answer

vue+express+mongoose 如何让express获取前端query中的参数

练手的项目，写到搜索的时候卡住了是想让vue用$router.query传参，但是不知道怎么传到后端用api搜索来向大佬们求助后端express代码，这里的接口我用postman测试了一下是没有 ... }`).then(response => { commit('ALL_IMGS', { imgs: response.data }); }) },...

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

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475 views

1 answer

vue组件无法使用公共方法吗？

在使用vue组件的时候发现公共方法用不了，直接报错undefined 在main.js里面写了Vue.prototype.isApp = true; 后面引入了公共js文件import commonFn from '#static/js/common. ... ：common.js 以下图片为main.js 以下图片为app.vue使用组件以下为组件内使用...

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

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351 views

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scrapy采集入库，下面的是入的sqlite3 的代码，改成入库mysql的，下面代码需要改动吗？

下面是网上的一个入库sqlite3的，我要原样改成入库mysql的功能就是插入文章，在插入文章前需要得到文章分类的id,如果有就根据分类名查询到分类id, 如果没有就根据得到的资料生成分类并取得id. 下面sqlite3的是可以的问题 ... 的代码需要用到分类的id ,所以上面代码取得分类的id的功能不知那里有错？请各位朋友指点一下谢谢 ...

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

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378 views

1 answer

windows - Screen-recording out of own application?

Starting with Windows 10 there is the on-board possibility to record the screen and save it as a video ( ... this internal screen-recorder controlled via the API somehow? Thanks!...

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

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126 views

1 answer

Speeding up the python performance

adding 100k raw data and plot drawn by suggested codeI am having below code, analyzing a 100K rows data, it takes 3 minutes for the ... 0.2,new_df.NA, width = 0.2, color = 'y')...

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

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javascript - create-react-app / babel / binding state and functions

Thank you for your time. I have the same issue as in this issue re parsing error - unexpected token = eslint on ... of dependencies unless i have to. Thank you for your patience....

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

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331 views

1 answer

貌似是一个bug

题目描述问题与vue相关在邀请回答这里，点击【邀请回答】，显示弹出，点击红框的人后面的【邀请回答】按钮，会显示不知道是啥的提示...

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

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173 views

1 answer

JavaScript、ES6标准入门、Generator函数。

老弟js基础有点差,看这种代码感觉人被整晕了 function wrapper(generatorFunction) { return function (...args) { let generatorObject = generatorFunction(...args); ... 特意将自己的错误理解写出来,求路过的大哥指点迷津. 球球了....

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

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308 views

1 answer

vue接口数据渲染不到页面上

这是从接口获取数据的函数。用的是封装好的方法在mounted里调用：这是data里先声明的对象：这是dom结构：；在控制台能输出数据，但页面上没有：百思不得其解，大佬们，求帮帮我...

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

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191 views

1 answer

卷积神经网络

主要问题是不知道怎么创建一个3*3的彩色图片，求大佬指点一下...

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

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