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1 answer

java - Junit Test error : org/junit/jupiter/api/extension/ScriptEvaluationException

I'm trying to run test code in springboot and it shows the error like below. I cannot understand what NoClassDefFoundError means ... it shows a red line. Anyone please help me :)...

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

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903 views

1 answer

使用getDerivedStateFromProps后, 以前的方法逻辑该在哪里调用?

旧版本react使用componentWillReceiveProps时的写法 componentWillReceiveProps(nextProps) { const { id } = this.props; const { id: newId } = ... id !== prevState.id) { this.handleGet(id) } }...

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

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1.1k views

1 answer

我有前端开发经验，做3D可视化项目入门要多久？三维建模 js 开发就业全景虚拟技术

3D可视化是新兴行业，可以考虑物联网3D可视化或者3D影视游戏，前景都很看好 JS是前端开发语言，目前流行的是3D开发框架three.js，Unity 3D也有JS脚本！不过three.js更适合技术探索，商用项目开发成本为先，需要具备以下条件才 ... 是有目共睹的，目前累计开发项目3万个，服务近15万开发用户，也欢迎有志向做3D开发的前端人员来交流学习 ...

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

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1.1k views

1 answer

Can JMeter record capture requests from a .razor page?

Currently on launching the login page of the application (which is a .razor page) through JMeter after providing all ... be recorded through JMeter? Is there any work around?...

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

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1.2k views

1 answer

pdf generation - Angular 8 Generating HTML to PDF error using jsPDF

I am using angular 8 I am trying pdf generator but I am facing an issue My Html part is <div id="content" #content> <h1> ... , 'pt', 'letter'); Help me to solve this.... thankyou...

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

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1.1k views

1 answer

php - Executing an external javascript once every few seconds

I have a javascript code once every few seconds, I have tried the following, but it doesn't work. I know something is ... ); </script> I have inserted the above code in header.php...

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

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1.2k views

1 answer

分布式部署：GatewayConnection Error : 1 ,connect 127.0.0.1:2500 fail

我现在打算部署两台机器第一台的ip是10.0.6.6 register的地址是10.0.6.6:1238 gateway的地址是10.0.6.6:7274 第二台的ip是10.0.6.225 然后我部署第二台的时候 ... 0.0.1:2503 fail after 0.0033 seconds Gateway链接不上是哪里配置有问题，求指点 ...

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

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1.3k views

1 answer

mysql 左表连接右表查询，当右表关联数据没有，查询所有左表结果怎么显示

项目表+订单表，需要查询所有项目的订单总额,现在订单表没有status=1的数据的话，查询结果就不显示所有项目 Project::leftjoin('orders','orders. ... total_money') ->groupBy('project.id') ->orderByDesc('total_money') ->paginate(10);...

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

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1.5k views

1 answer

SwooleServer->bind uid 用负数会有什么问题？

比如我 server->bind($fd, -11995); 结果server->connection_info($fd)['uid'] 变成了 4294955301; 这样会有什么问题吗？...

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

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1.4k views

1 answer

element 表格筛选拿到数据了结果不显示

element 表格筛选拿到数据了结果不显示...

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

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1.8k views

1 answer

javascript - search in JSON with AJAX

I have to search inside a json file with a value from my input, everything is fine capturing the value and the event, but ... , both the if and else are executed at the same time....

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

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1.8k views

1 answer

azure - Not able configure AzureAD connect - getting a prompt to enter Synchronization account password

I was trying to setup AzureAD connect between an onprem lab and azuread. I have done this countless of times, however for ... and I was successful. Not sure what I should look for....

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

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2.1k views

1 answer

js中c: est1替换成c:/test/1 要怎么处理

let str ="c:est1"// 变成c:/test/1.txt console.log(str.replace(//g,"a")); 不知道错哪里了...

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

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2.6k views

1 answer

html - Dropdown unordered list for mobile view

i've never made a website before so i'm kind of winging it. i'm using html+css+java and i haven't had a problem ... 48px; line-height: 48px; font-weight: 400; cursor: pointer; } }...

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

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2.6k views

1 answer

HTML5播放语音时音频解析出错 Unable to decode audio data 无法解析音频数据怎么解决~

[HTML5播放语音时音频解析出错 Unable to decode audio data 无法解析音频数据]...

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

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3.3k views

1 answer

Updating value of given index in a heap in python

#increase the key in heap heap_a = [18, 14, 4, 7, 10, 3] print(heap_a) def increase_key(a,i,key): #check ... //2) return a increase_a = increase_key(heap_a,4,20) print(increase_a)...

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

0 votes

3.1k views

1 answer

Time complexity of this function (Similar answers yet one is wrong)

def f(n): i = 2 while i < n : i *= i My solution : So what I did was I looked at the sum of ... equal? am I missing something? I appreciate any explanation. Thanks in advance :)....

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

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3.3k views

1 answer

js 数组内嵌对象（json结构），知道路径怎么去修改内容？

在js中定义了一个数组： [ { "t": "h", "c": [ { "t": "t", "c": "aaaa" }, { "t": "t", "c": "bbbbbbbb" }, { "t": "t", "c": "cccccccc" } ... 0, "c", "0"]可以获取到内部aaaa这一个节点，我现在想通过该路径去修改这一个节点，怎么才能做到？...

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

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3.4k views

1 answer

uniapp请求接口返回非法请求，无app_key参数

在调用后端接口的时候返回的是这个信息，不知道为什么，但是后端接口测试是可以通过的，我这边就是不行。一开始调用接口是报错跨域，后来我配置manifest.json 就不会报错跨域问题，会不会是这个原因导致的，有大佬知道的吗...

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

0 votes

4.0k views

1 answer

关于数组中 ts 函数类型的推导

可以推导出一个元组里所有函数的返回值类型吗？求解 // 例如一个数组 [() => 1, () => 's'] // 期望推导出 [number, string]...

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

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6.5k views

1 answer

python - How do I web scrape a website behind a login?

I am trying to web scrape a landing page that requires a login to access. My current script (based off the video ... .post(url=url+login, headers = headers, data = payload)...

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

0 votes

3.4k views

1 answer

How to find total frequency by different permutations in R?

A while back I asked a question about how to return the total unique combinations and frequency of customers by brand. This week, I am trying to ... B-C-D 1 8 C 3 9 C-D 2 10 D 2...

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

0 votes

3.6k views

1 answer

请问怎么在浏览器内实现对电脑播放内容进行录音？

我找到了如下的项目，可以录制我的麦克风声音，但是我想录的其实是电脑里播放的声音。 https://codepen.io/lquicksell... 举个例子，电脑里播放了一个音乐，我想写个程序去录这个音乐，并且不要录到麦克风的声音。大家知道怎么做吗？...

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

0 votes

3.7k views

1 answer

javascript - Selecting previous element in DOM

I'm having a hard time with some JS DOM traversal. I'm stuck with html that's something like this: <h2>Header 1</h2> <div ... ="person-name">Emily Jones</h4> </div> </div> </div>...

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

0 votes

3.5k views

1 answer

Using own jackson versions in Flink causes VerifyError

I'm using Apache Flink (v1.11) with Scala and added an own DeserializationSchema for Kafka connector. Therefore i would ... so i am dependent on the flink shaded jackson version....

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

0 votes

3.6k views

1 answer

怎么获取日期范围的时间序列

一个日期范围如'2020-12-11' 到 '2020-12-16' 要获取一个格式为[2020-12-11 00：00 ~ 00:59, 2020-12-11 01:00 ~ 01:59...., 2020-12-16 23:00 ~ 23:59]的时间序列，这个要怎么获得...

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

0 votes

3.2k views

1 answer

localdb - Is there a way to prevent SQL Server resetting itself back to read-write mode?

I'm working on an application which automatically attaches MDF files and connects to them in SQL Server LocalDB. I ... of databases on the same computer with auto-close disabled?...

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

0 votes

3.0k views

1 answer

请问有如下SQL查询的需求，先查询一张表获得一个ID，然后再用这个ID去查另一张表，最后将查询到的数据合并到数组的同个索引里面

请问有如下SQL查询的需求，即先查询一张表获得一个ID，然后再用这个ID去查另一张表，最后将查询到的数据合并到数组的同个索引里面文章表 user_id，blog_id，blog_content 用户表 user_id，username ... ]] 请问一下大佬们，这样的情况我应该去学习什么语句，还请给个思路??...

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

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