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211 views

1 answer

java - What are impact to my spring boot application if I have task executor

I already have the configuration to config for min and max threads for my spring boot application server.tomcat. ... executor.setThreadNamePrefix("Async-"); return executor; } }...

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

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339 views

1 answer

vue 源码（依赖收集）

**slice()** 方法返回一个新的数组对象，这一对象是一个由 begin 和 end 决定的原数组的浅拷贝（包括 begin，不包括end）。原始数组不会被改变。依赖收集部分问什么要用这个slice(),浅拷贝，那直接赋值不是也可，这样又什么好处？有点疑惑。。。...

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

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160 views

1 answer

Migration from Oracle to AWS Aurora Postgresql

I involved in migration project from oracle to postgresql. After automatic conversion, couldn't convert some ... . Example: convert oracle UTL_I18N.UNESCAPE_REFERENCES to Postgres....

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

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598 views

1 answer

app内置浏览器打开h5页面，显示空白，其他浏览器打开正常显示。

app内置浏览器打开h5页面，显示空白，其他浏览器打开正常显示。这是什么问题引起的呢...

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

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474 views

1 answer

How to separate broker-url from its parameters (ActiveMQ Artemis + Spring Boot)

I have an application.yml file which contains a broker-url parameter artemis: broker-url: "tcp://localhost:61616?consumerWindowSize= ... 1111" --broker-url="tcp://192.168.1.2"...

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

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444 views

1 answer

mysql 先查询条件再insert，如何保证其原子性

一个投票项目判断当前用户当天投票数不超过3票，满足条件，则往日志表插入一条记录。当并发大的情况下，往往不能保证数据准确的不超过3票。...

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

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125 views

1 answer

优化insert into xx select from

题目描述有一些复杂查询sql（1W），这些sql有同一张表B1，现在要根据sql的结果插入各自的表中，一条sql一张表 sql里的关联表没有更新操作每条sql查出的数据在1~10W 相关代码粘贴代码文本（请勿用截图） insert into ... ，多线程后会不会有锁竞争；如果改造先搜出来再插入，会有数据传输占用带宽有没有比较好的方案...

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

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231 views

1 answer

请问像 StackOverflow 防止文章洗人数作法?

请问像 StackOverflow 防止文章洗人数作法? 先分享我个人做法目前是 mysql 的文章表格增加一个阅读人数栏位每次启动时候都会去select * from article将资料读到一个缓存内每次一个请求进来，会将这个缓存阅 ... 时才会去 sql update 原因是避免每一次请求就更新，造成 db 负担但这样不能避免洗文章的动作...

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

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257 views

1 answer

build提示文件过大

The bundle size is significantly larger than recommended. 这个怎么解决呀 The bundle size is significantly larger than ... You can also analyze the project dependencies using ANALYZE=1...

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

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336 views

1 answer

node.js Redis refreshing expires for hset is not working

I'm using Redis 3.0.2 in node.js app. Iv'e added hset and then I set 'expire' command async function ... function return true. Refreshing expires - https://redis.io/commands/expire...

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

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481 views

1 answer

系统命令行如何实现charles的remote map功能

主要是想把charles的这个很有用的命令，整合到命令行，一键实现中去...

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

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281 views

1 answer

django - How to create breadcrumb in my view function BY mptt

How to create breadcrumb in my view function? class Category(MPTTModel): name = models.CharField(max_length=50, unique=True) ... with my model? Thank you. I would be grateful....

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

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262 views

1 answer

reactjs - Is keeping version number in url a best way to handle multiple versions of url?

We are adding version in the url for making our application backward compatible. We have an url version: {mysite}.com ... do this or is there any other recommend approach for this?...

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

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534 views

1 answer

email - using python to search folders in outlook mail

I am trying to use Python code to search the mail folders in Outlook for a particular email address. Here's a ... the search be made to run over all folders within outlook/gmail...

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

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483 views

1 answer

请问NUXT.js项目顶上的黑色进度条如何去掉？

NUXT.js项目，在请求数据时，顶上会有一个黑色进度条，请问如何去掉，或者降低下要求，如何修改它的样式。...

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

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1.5k views

1 answer

python - How to pin a pygame window on top?

I need to make a pygame window stay on top of other windows. I found a way to do so on this discussion: How to make python ... .get(): if event.type == pg.QUIT: run = False break...

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

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352 views

1 answer

Google Sheets - Send email based on cell data

I'm new to script editing, so far have only made 2 custom scripts, and could use help with a 3rd much bigger one ... 25 9:00 [email protected] LINK2 February 2 12:00 [email protected]...

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

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526 views

1 answer

感觉这个程序输出结果没有问题啊，为什么PTA上说答案错误？

### 题目描述有时候人们用四位数字表示一个时间，比如1106表示11点零6分现在，你的程序要根据起始时间和流逝的时间计算出终止时间读入两个数字，第一个数字以这样的四位数字表示当前时间，第二个数字表示分钟数，计算当前时间经过那么多 ... ？实际看到的错误信息又是什么？我自己测试了几组数据感觉都没问题，而学校平台上说我答案错误，自己找不出错误在哪儿...

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

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544 views

1 answer

Spring Cloud Gateway - Remove Request Headers from All the routes but one

I am using spring cloud gateway for our application. We have a requirement to remove all the sensitive headers from all ... to spring cloud gateway & it was possible to do this....

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

0 votes

498 views

1 answer

react 使用useEffect 异步函数数据更新 demo不更新

使用了一个立即执行函数异步的但是如果我没有执行下面那个 if (code == 'update') { setFormData(parentObj); } 初次渲染demo视图是不会发生变化的，对hooks的渲染机制不是很了解，求大佬指点。...

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

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658 views

1 answer

[已解决]antd4.x Upload配合Form表单无法使用的问题

业务背景最近在根据视频学react + antd,还木有来得及通读文档.因项目进度问题,暂时木有时间通读文档,所以遇到超过半个小时自己无法搞定的问题,就来提个问题,麻烦各位了遇到的困难把Upload放在Form下面 ... 异常这个怎么解决呢? 是什么原因导致这个问题产生的呢? 示例代码 https://codesandbox.io/s/form......

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

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1.3k views

1 answer

server - setting up teleport - Configure Domain Name and obtain TLS certificates using Let's Encrypt

ok so what I want to do is set up teleport on a remote machine so i can access it over the internet. I am following ... XXXX how am i supposed to change that? and where? thank you!...

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

0 votes

717 views

1 answer

amazon如何添加ssl证书配置到nginx中使用,必须要配置负载均衡器使用吗

amazon如何添加ssl证书,必须要配置负载均衡器使用吗...

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

0 votes

1.2k views

1 answer

vue 首次加载项目,控制台报错: Redirected when going from "/" to "/login"

第一次加载加载页面时报错如下: Redirected when going from "/" to "/login" via a navigation guard. 后续在地址栏直接添加/login,index,错误页面等均正常无报错. 路由配置如下: ... ) { next() } } }) 还会出现路由无限循环跳转的情况. 请求大家的帮助....

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

0 votes

613 views

1 answer

为什么express捕获不到错误呢？

使用了http-assert包；然后在接口中用assert()来弹出错误：最后使用express的错误处理中间件来统一处理错误：可是真正遇到错误的时候，好像中间件并不能捕获到，控制台报了如下的错误：救救孩子吧??...

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

0 votes

743 views

1 answer

c# - Google Sign-In scripts missing SRI

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)

0 votes

846 views

1 answer

js如何（不经过弹出预览窗口的）「直接打印」

通过print函数会产生预览窗口...

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

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837 views

1 answer

DolphinDB怎么查询内存占用大小？

我在DolphinDB中执行完下图中的脚本后，想查看一下当前的内存占用情况：我使用图中方法没有返回结果，请问DolphinDB中有什么比较方便查看内存占用情况的函数吗？...

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

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