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java - "Could not resolve com.google.protobuf:protoc:4.0.0-rc-2" trying to use the Protobuf Gradle plugin

I'm trying to follow along this blog post, https://redbyte.eu/en/blog/calling-java-from-go-using-grpc/, with a ... , I see the message No candidates found for method call grpc....

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Julia: Transform Row vector to column Vector

How do I transform a row vector like the one above (1x3) a = [1 2 3]; In to a column vector?...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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求助一个算法问题，类似深度遍历之类的吧

如图，设定有N个节点，相互之间可能存在链接问题：输入数组Arr，Arr为类似['ab', 'ak', 'ad', 'bc', 'bl', 'ck', 'ce', 'dg', 'df', 'ef', 'fm', 'gk']的数组，标明 ... ) => ['adgk','abck'] 备注：这似乎是一个很低级的算法问题，但我确实比较菜，请各位大神指点下 ...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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为什么django服务后台启动正常，但是网页访问，后台没有请求记录？

前台只能访问一个页面，然后就报服务器错误，后台如图所示，没有任何记录...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - How can one protect a register from being overwritten during a function call?

I am trying to write assembly code for the following function: #include <iostream> void f(int x) { if (x > 0) { std ... do in this case? I am grateful for any help or suggestions!...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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webpack打包时如何切换打包目录？

项目结构大概像这样：，我想给src 和pulish两个目录分别打包，webpack打包时，如何切换打包目录呢？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - Avoid ´ or ` characters on telephonic field

I have this input <input type="tel" class="form-control" id="inputTelephone" placeholder="123-456-7890 Format" ... way to avoid such behavior so the field only allows numbers?...

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

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c++ - Proper way to use predicate in conditional variable

I want to know if I need to reset the predicate boolean variable inside the scope of the locked mutex. Right now, I have a std: ... std::thread t2(Reader); t1.join(); t2.join(); }...

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

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c# - Blazor CascadingParameter vs singleton DependencyInjection

I have recently learned that you can provide cascadingValues to the entire project by wrapping the Router component in the provider ... wise) Which do you think is better to use?...

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

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446 views

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angular7使用ng2-pdf-viewer可以运行但是页面报错

如图，angular7需要pdf预览，选择npm? ng2-pdf-viewer ，可以运行，但是页面报了如图这个错误（Promise.allSettled is not a function ? ? at MessageHandler._deleteStreamController） ... 项目的版本不能动，因此想问下除了升级版本还有其他解决方法么?...

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

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793 views

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Incompatibile SockJS! Main site uses:.... sockjs报错？

先上图： sockjs stomp springboot-websocket 公司的项目，经测试，直连没有问题，但只要放到服务器上，除了第一次连接，用户只要刷新页面，触发重连就开始报错 nginx的socket已经配置过了，在前 ... default new Socket(baseURL) 服务器环境弄这个东西弄了一周了，请教一个解决办法，谢谢??...

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

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windows - Chocolatey generated VS 2015 Compiler not found on docker image

I tried to install visual studio 2015 build tools on a Docker Container using the chocolatey packet manager. I need it ... find installed compiler 'Microsoft Visual C++ 2015 (C)'....

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

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困扰很久的，js数组转换问题

输入数组格式如下 { "data": { "char": [ [ [], [29, "新", "心", "char_2"], [] ] ], "miss": [ [ [29, "新", "心", "miss_1"], [], [29, ... "text": "新", "pos": 10, "index": 2 } ] } ] } 请教各位大佬如何转换？感谢...

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

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图片的srcset属性为什么没有人用呢？这个属性被大家忽略了吗？

H5的image标签有一个srcset属性，直觉上这应该是用于处理响应式图片的，因此，我们修改了上传功能，一个图片上传后，根据大小保存多个版本，如160 320 640 1024 1920 原图，大图存6张，小图如小于160只存原图，小于640则存三 ... 可以有任何尺寸的图片而不限于几种规格我们正在犹豫要不要改为动态生成大小的方式，请不吝指导，谢谢！...

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

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MiniCssExtractPlugin 官方这两段话怎么理解？

如题。另外我的vue ssr项目，没有配置optimization.splitChunks.cacheGroups css也被单独打包注入了页面。怎么解释？...

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

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608 views

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nginx requset_time有时间但是upstream_response_time 没时间 nginx日志记录499

q1: 499客户端主动断开，如果说是后端响应超时（或者还在处理），那么客户端断开了，请问这个时候Nginx记录后端的处理时间吗？...

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

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python - I Cannot Upgrade Chattbot Without Getting an Error

When I try to upgrade chatterbot, it just does not work. It says get c++ 14.0 or up, and I have it! I have to ... .0 and up, or what, because I am getting real sick of this....

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

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java - Multi Container Docker app - Connection Refused between containers

So I've got a multi-container application with a front-end, back-end API all sat behind an API gateway. At the ... =build /usr/src/app/dist/awards-frontend /usr/share/nginx/html...

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

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Why is there a property `type` on a NGXS Action

I'm reading about NGXS and which, for example, looks like this: export class NewState { static readonly type = '[State] New' ... them :) So, my question is: When should I use type?...

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

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How to undo the changes that Excel made to a .txt file

I opened a .txt file using Excel. I was asked if the file was delimited and some other settings. Then the file opened ... file with NotePad. How can I get the original text back?...

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

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Issues converting scanned (ocr) forms into a database/spreadsheet

I am currently building a spreadsheet/ customer database from print outs. I have specific information I need from each paper ... the right direction of an easier way to do this??...

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

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在定义函数时碰到不能覆盖已存在函数的异常

我想在DolphinDB database中实现历史数据回放功能，然后写了如下所示的代码： // 定义回放函数 def replayData(productCode, startTime, length, ... overwrite existing functions/procedures by system users.请问这是怎么一回事？谢谢！...

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

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java - Pagination of firestore data while scrolling in recyclerview

I'm trying to implement pagination in a recyclerview. My code works fine without pagination but I can't seem to ... of code but nothing really explains it clearly.. Kind regards....

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

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Javascript - array problems

For my school project i am trying to get a users data and then display them in a table. My code is : Javascript var array =Array();// ... /tbody>' + ' </table>' + '</div>' ); } }...

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

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306 views

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swift - Microphone input in iOS application

Is there a way to capture and analyse microphone input in iOS application in the realtime? To be more precise, ... locally, not by using third party speech recognition services....

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

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707 views

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Google Sheets OnEdit() - You do not have permission to call showModalDialog

Since the beginning of this month this code has not more been working function onEdit(e){ var html = HtmlService ... Apps Script: You do not have permission to call showModalDialog...

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

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575 views

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通过el-upload上传excel文件，后端(nodejs,koa)如何接收这个文件

使用element的el-upload组件上传xlsx文件，后端如何接收这个文件啊，请赐教服务端是nodejs+koa，el-upload用的是默认action 服务端打印如下...

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

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pandas dataframe如何转换成列表，要有完整的表头和index

尝试用df.values.tolist() ，发现只是部分数据， df2=[df.columns.tolist()]+df.values.tolist() 发现有时可以满足要求，有时又没有每行的第一列的关键编号，是否必须遍历才行？请高人指点一二 ########...

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

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