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131 views

1 answer

I have a NPM package with a small user base, yesterday I created a new version and wanted to release it. I thought that ... NPM and just try to move users away from the NPM page?...

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

0 votes

243 views

1 answer

c# - Get push notifications quicker after device reboot

I'm using firebase for push notifications on both my android and iOS app with everything working fine. If I reboot the ... I doubt this would speed up the process of getting them?...

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

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213 views

1 answer

在promise.all 是否可以知道请求完成的进度？

最近在做一个项目，现在同时有8个请求同时发送，在进入这个页面的时候需要做个进度展示，我想通过请求成功的数量来表示页面数据是否可以展示所以想知道是否可以在promise.all中获取到已经成功的响应的数量...

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

0 votes

457 views

1 answer

el-tabs 标签下引入的组件不加载

问题描述想要实现一个el-tabs标签下有两个el-tab-pane,每个el-tab-pane里都是引入自己封装的同一个组件，根据传入的数据渲染不同的效果，但最终引入的组件没有渲染， ... :distributorsInfo="distributorsInfo"/> </el-tab-pane> </el-tabs> </el-row> 求教为何不渲染...

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

0 votes

323 views

1 answer

前端如何新增虚拟IP访问项目

问题描述：前端项目放在两台nginx服务器上，想要新增一个虚拟IP 118，通过118可以访问到 120 和 121的项目；保证如果 120 或 121 其中一台崩溃了，依然可以通过另一台能正常访问，这需要怎么设置？...

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

0 votes

249 views

1 answer

Salesforce Bulk Api "Create Job must be a POST request" error

I want to create a query job using Bulk API. I have logged in succesfully in my sandbox using curl. I now have a ... create the Job, returning the jobId ? Thank you for your ans...

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

0 votes

394 views

1 answer

amazon web services - Is it possible to disable source/destination check on lightsail instances?

Just like with ec2? I have some instances in lightsail and I was planning to make one of them a VPN server. ... ://docs.aws.amazon.com/cli/latest/reference/lightsail/index.html...

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

0 votes

512 views

1 answer

c++ - std vector of Eigen matrices results in run time crash on some Windows machines

I have the following declaration for a vector of Eigen matrix. Thanks to Louen for helping me with this declaration. However ... > inv_K_mat2(42, Eigen::MatrixXd::Zero(4, 5));...

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

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307 views

1 answer

mysql 迁移复制的时候少了几个表是为什么呢？

复制了某个数据库的整个文件夹数据 (里面包含ibd、frm、MYD、MYI等格式文件) 到另以台电脑的mysql数据目录发现少了几个表，重启数据库也识别不到那几个表，请问有什么办法恢复少的几个数据库吗？这是什么原因呢？...

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

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183 views

1 answer

php 处理10w+20w数据

用户10万订单20万通过用户去匹配订单最后处理完成 1 从mysql循环查询,(cpu撑不住不可靠) 2 查询所有会员,订单，再匹配 (php内存溢出) 3 批次会员2000个,订单分3份去匹配，处理速度慢比如循环2000会员，去匹配第 ... 理速度快，不会消耗很多服务器资源, 可能数据不止这些,目前遇到的就是内存溢出处理速度慢占用系统资源高...

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

0 votes

369 views

1 answer

Java并发包最佳实践是什么？

并发包里东西挺多但是感觉很多作用都挺像，平时工作中常用的哪些啊，阻塞队列并发容器吗线程池算是基础，常用 Countdownlatch/cyclicbarrier/fork-join框架看上去完全可以用jdk8的并行流代替了同步的话 ... 的吧，感觉太底层了我看的书啊，只介绍了一大堆并发工具，都不介绍该在什么时候用什么 ...

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

0 votes

249 views

1 answer

javascript - Websocket Use Case - Uncaught TypeError: Cannot set property 'value' of null at WebSocket.myWebsocket.onmessage

I am establishing a websocket connection on the web app client side via JavaScript to receive stock pricing data from my broker's ... <br /> <input id="response" type="text" />...

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

0 votes

211 views

1 answer

python - Django field with multiple model option

I have a scenario where I have a model "Thread". There are two fields in it. "Sender" and "receiver". Also ... seen this functionality in Odoo. But is there anything in Django?...

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

0 votes

532 views

1 answer

js 循环对象key 放入数组顺序被改变？

pastFineData是一个顺序对象，循环根据key添加对应数据，然后组成新的数组，可是看下面的图片对象的key 顺序已经和pastFineData对象排列的顺序变了，怎样能让key顺序不变啊 pastFineData: { ... 值null data[key] = cellArr[i][j] ? cellArr[i][j] : 'null'; } }...

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

0 votes

1.4k views

1 answer

Cannot recognize the token foo

在DolphinDB database的GUI中，下列代码成功执行： def foo(): 3 login("admin","123456") scheduleJob(`dailyfoofile1, "Daily Job 1", run ... Error: [line #3] Cannot recognize the token foo 请问是怎么回事？...

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

0 votes

411 views

1 answer

有两个关于文件上传转换的问题？

有两个问题小白不太懂，例如上传pdf文件转word： 1、后端处理任务的进度如何实时反馈给前端页面 2、如果后端在转换的过程中，前端关掉或者刷新了页面，此时后端还在转换，这就造成了资源的浪费，有没有办法让后端停止转换，节省资源...

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

0 votes

1.1k views

1 answer

小程序这种固定的在商品左上角的是叫什么？

...

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

0 votes

460 views

1 answer

ng-zorro开发angular 9，如何去除浏览器默认内边距？

我在stackoverflow上查的，都是在style.css或者index.html里加 html, body { margin: 0; padding: 0; border: 0; } 但是，ng serve打开来，还是有内边距，不管是 ... /div> <ul nz-menu> ... </ul> </nz-header> </nz-layout>...

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

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325 views

1 answer

deployment - ASP.NET Core Web App not working after deploying on IIS or Linux Server

I have created a ASP.NET Core MVC web app. It has simple crud operations and does not involve Entity Framework. It ... provide more info and sorry if the question is not detailed....

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

0 votes

371 views

1 answer

influxdb插入一条当天的数据，搜索时为什么要回退10年才能搜到？

插入一条time为今天的数据： insert device_if_info_5min,asset_id="xxx" serial_number="ABV12543RRT" 1588900200000000000 插入成功，但是在搜索的时候必须回退十年才能搜索到： select ... 须now()-3700d，也就是回退10年才能搜到这个数据这是什么原因？...

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

0 votes

552 views

1 answer

sml - How to pattern match an ADT in ML

I'm brand new to ML and I'm trying to figure out the syntax for pattern matching. Can someone help me understand the compiler ... EseqExp (s,e)) = maxints( maxargs(s), maxargs(e))...

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

0 votes

369 views

1 answer

突然有个简单的数据审计思路是否可行

突然有个傻傻的数据审计思路，大家帮我看下是否可行 1.场景对应数据量不是很大且数据存入后一般都不改的那种系统 2.定时在夜深人静的时候导出成sql文件，然后MD5记录起来，然后删除当日数据，然后再md5，与昨日的md5比较，不一样就说明被篡 ... 候返回修改，再重复步骤2的操作这个思路实现起来貌似写个脚本就可以，比起那些高档的审计要简单，就是不知道正确么...

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

0 votes

362 views

1 answer

python - Unittest mock pandas to_csv

mymodule.py def write_df_to_csv(self, df, modified_fn): new_csv = self.path + "/" + modified_fn df.to_csv(new_csv, ... use of MagicMock correct, or am I overlooking something else?...

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

0 votes

732 views

1 answer

openapi - NSwag - create one client per API controller

I have a Web project with different API controllers. When creating the client using NSwag, all methods from all ... get one ApiClient per API controller? Thanks in advance....

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

0 votes

493 views

1 answer

同样是字母“o”，为何识别不了

今天发现的最诡异的bug 上下两段的代码一模一样（这么缩进是为了方便同屏比对）然而下一段的代码可以正常运行，上一段的无法使用肉眼对比无果后，用Ctrl+F逐行比对，最后发现问题在第一个 onkeydown 的第一个字母 ... ><body></body></html> （如图，我在这里Ctrl+F也是同样的结果，并且改完那个 o 代码就正常运行）...

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

0 votes

468 views

1 answer

怎么样实现window.open打开的新页面是另一个进程？

我发现window.open或者a标签打开的新tab页，和原页面是在同一个进程里面的，那么如果新打开的这么页面数据量比较大的情况下，原页面会卡死。所以想问问如何实现新打开的这个页面在另一个进程中我试了js的webworker，但是js中无法获取到window或者document对象，要怎么解决或者有其他方案吗？我是vue单页面...

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

0 votes

159 views

1 answer

Angular 9 animation wont work with dynamic data

I'm trying to write a component that looks like on TV when sporting results will fly in row-by-row and ... list-animations-dndsja?file=app%2Fapp.component.ts for a working example....

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

0 votes

376 views

1 answer

jboss可以通过控制台添加ojdbc驱动么？

如题. 因项目原因，无法连接jboss所在的服务器，只能通过jboss控制台操作发布部署现在我新加了一个oracle db 连接，总是提示jndi配置错误但是我再别的 ... failed to invoke operation: WFLYJCA0047: Connection is not valid", "rolled-back" => true }...

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

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