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452 views

1 answer

web - Get datas of my website hosted in another ip

One of my webstite has been hosted under another ip by the previous guy worked here. I am having the domain and ... , but the website is still working. Just afraid of future....

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

0 votes

549 views

1 answer

使用模板引擎后，jQuery的html/css方法失效如何解决？

项目背景：bootstrap框架，jQuery库，template-web.js 问题背景：整个页面的HTML代码都写在script标签内，然后使用template加入数据再渲染到页面模板中的元素使用jQuery语法$("#id").event()绑 ... 聚焦事件等可以通过委托给父元素的方法处理，那么html处理方法（比如addClass）该怎么办呢...

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

0 votes

246 views

1 answer

JQ中动态增加form以及参数提交的问题

form的html结构 ` <div class="panel-body"> <form class="form-horizontal" id="projectForm" onsubmit="return false"> <div class="form-group-del"> < ... ?"value" } ....... } ` 如何获取这样的参数传递...

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

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319 views

1 answer

How to get the sum of a column in SQL Server and display in a single query?

I have this table where I have three particular transactions: Billing, Penalty and Discount. I want to compute the ... SELECT ((@billing-@discount)+ @penalty) AS 'BilledAmount' END...

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

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377 views

1 answer

telegraf - Influxdb 2.0 Create variable for search box

In Influxdb 2.0 I have created a visualize variable for dropdown. But I could not able to create a variable for ... for measurements. How do accomplish this? Can anybody help me?...

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

0 votes

182 views

1 answer

reactjs - How send id category in link React?

I have page where I display all categories with this code {categories.map((category, index) => { return( <tr key={index}> ... I Need send with id. which will be better ID and name?...

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

0 votes

503 views

1 answer

多线程中，何时主线程会等待子线程运行完才退出，何时主线程不等待子线程运行完就退出呢?

如图有3段启动线程的代码，经过测试，只有第一段代码启动的线程主线程不会等，第二种要等new的线程代码执行完毕程序才会退出，第三段是线程池也不会退出。想请教这是为什么呢，尤其第一种写法不理解为什么主线程不会等他执行完呢?...

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

0 votes

371 views

1 answer

React源码中看到的一处疑惑点

问题描述代码位于 React 初次 render 时的 batch 逻辑因为对这些位操作不太熟悉，看了半天也没有搞懂这块逻辑是为了判断什么，有没有对 JS 位操作熟悉的大佬帮忙解释一下...

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

0 votes

414 views

1 answer

how to get id from sting using mysql function?

I want to write a function which return plan code when I give input plan title But my function not working ... = Actvi_SubPln_Title; RETURN ATY_CODE; END //; DELIMITER ;...

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

0 votes

223 views

1 answer

ReactJS Table conditional styling based on previous value

I have a React JS app using Material-UI Table component that looks like this: I need to change the style of the ... /IconButton> </TableCell> </TableRow> Thank you for your time!...

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

0 votes

225 views

1 answer

javascript - Style sheet - not loading with web page

I'm running a local copy of nodejs and have taken some code which runs a web service and references a local index.html on startup. This ... (); }); }).listen(1337, '127.0.0.1');...

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

0 votes

357 views

1 answer

cef调试怎么跑本地代码

cef打包之后调试怎么跑本地代码，在根目录config/client.cnf文件里怎么配置...

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

0 votes

494 views

1 answer

makefile - How can you make a % wildcard make rule phony?

I have the following wildcard "programming" make rule that uploads a binary to a device. This obviously does not produce a ... -prog make: 'blinky-tangnano-prog' is up to date....

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

0 votes

235 views

1 answer

How to set port for client call in Spring boot Integration Test using RestAssured?

I am struggling to write a proper Integration Test for my application. I use rest assured and also maven failsafe ... fine without any port problems. Urls are built correctly....

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

0 votes

489 views

1 answer

Mac环境怎么卸载某个版本的Python？

问题描述初学Python，知道Mac自带Python2.7，我自己从brew中下载的python3.7.7 并且我不常写Python所以用vscode，vscode的左下角有一个可以选择Python环境的按钮，我的电脑中有三个版本的Python：在brew安装 ... 我希望确定3.7.3版本的安装途径，如果对其他的没有什么影响，卸载这个版本 ...

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

0 votes

536 views

1 answer

Hadoop集群问题dataNode成功启动却没有出现在web页面中?

描述 centos7 hadoop-2.6.0-cdh5.15.1 #三台机器的ip和主机名 hserver1为nameNode 192.168.107.134 hserver1 192.168.107.108 hserver2 192.168.107.133 ... /docker-proxy-c 三台机器也是可以互相ping通的所以求指点啊, 多谢!...

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

0 votes

227 views

1 answer

python - Download s3 file only if upload completed

At the moment I get a list of files from s3 by a prefix and download them. I want to make sure the file uploaded completely before I ... '],'{}/{}'.format('./data/',key['Key']))...

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

0 votes

191 views

1 answer

chrome.serial 连接成功，但是 onReceive 无响应

chrome.serial.connect()已经成功建立连接，chrome.serial.onReceive.addListener(foo() {})也已经添加数据响应函数，但是 foo() 并没有触发，连接建立完就没有后续了。求解答...

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

0 votes

163 views

1 answer

Google Sheets: How to have the same values in column 4 whenever there are duplicate values in column 1?

The image explains what I would like to achieve probably the best: The table I would like to create, at the moment ... create the "New Volume" column. I would appreciate the help....

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

0 votes

372 views

1 answer

kotlin - Apply local jar-plugin without using maven

I'd like to load my custom plugin from a local jar. The jar file compiles fine and when I check it, the manifest and ... sources: What am I missing here? I use Gradle v6.5....

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

0 votes

476 views

1 answer

npx 运行的时候如何执行包里的某个命令

有一个名为 foo 的库,他的 package.json 的 bin 属性是这样的 "bin": { "bar": "./help.js", "bar-init": "./index.js", }, 当我使用 npx 的命令 ... , npx foo --shell bar-init , npx foo -c bar-init 结果运行的都是 bar 指令...

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

0 votes

293 views

1 answer

javascript - how to let the svg image completely move inside the div tag only?

I can move my svg image(animated character) in any direction but I want to restrict the movement inside play area div ... when created sound.loop = false; sound.play(); }...

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

0 votes

182 views

1 answer

准备跳槽，应该如何准备面试，前端岗

工作四年，后台转前端，前端工作经验两年，js基础尚可目前做的项目都比较老，工作的前端项目主要是jQuery和dojo为主，使用vue的话也是用cdn方式引入也做过一点vue-cli和Electron的小项目，但是也不是很熟悉webpack这一套，基 ... 东西，更深入了解？另外，上次跳槽还是三年前，没面过前端岗，请问前端面试更关注技术的广度还是深度？...

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

0 votes

225 views

1 answer

python - Create DataFrame with multiple arrays by column

I'm creating a DataFrame with pandas. The source is from multiple arrays, but I want to create DataFrames column by column, ... of 'axis=' parameter, how can I achieve this goal?...

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

0 votes

117 views

1 answer

java - How To Separate Class Holding Records from Classes That Use It?

I'm creating a console-based game and I'm having trouble deciding on how to properly structure my classes. Say I have the ... matter). Any advice on a better way to go about this?...

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

0 votes

196 views

1 answer

Pass Variable into String vale which is JSON in Python

I need to pass one variable as date variable in place of Sting value I need to pass date in place of 2020-12-31 My String Values Looks ... "value": "2020-12-31" } ] } ] } ] }"""...

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

0 votes

180 views

1 answer

c++ - Why std::sample is not constexpr?

I know that c++11 PRNG in <random> such as std::mt19937 are not usable in compile time, but access the __TIME__ ... sample/std::ranges::sample is not constexpr even in C++20?...

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

0 votes

204 views

1 answer

我该如何优化这个句SQL？？

有一张快递单号表number，表中有大概5w条数据每次要使用时取出一条出来，语句如下 SELECT id FROM number WHERE status = 0 status 默认为0待使用 ... `); ALTER TABLE `number` MODIFY `id` int(11) NOT NULL AUTO_INCREMENT; COMMIT;...

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

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