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Effect of the pipe diameter in speed of the simulation - Modelica

I modeled a hydraulic system in Modelica which can be simulated in certain conditions, e.g. when the diameter of the ... the link of the block diagram of the model. Best regards...

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

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如何解决在chrome的无痕窗口下iframe中的页面直接使用localStorage导致的跨域异常

现在有一种用例，在一个域名为"https://xxx.yyy.com/#/hhh"的页面（下略为页面A）中使用一个iframe，其src指向"https://zzz.aaa.cn/index.html#/example"（下略为页面B）,其中页面B的代码中 ... 个问题的根源在于什么地方？要如何去解决？（不能要求用户修改chrome设置的前提下的解决方案）...

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

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printing - Print Multiple HTML files automatically using a printer/Network Printer

I looking for a solution to print multiple HTML files/URLs to print automatically from the printer with Just one ... code which I can integrate to print these HTML automatically?...

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

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video streaming - Is it possible to set up ffmpeg as a repeater?

I am using this PyLivestream library to stream files to youtube. the problem is that once it finishes each video ... I can still use PyLivestream to stream the individual files....

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

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799 views

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表单radio组种嵌套一个input，如何在选择radio之后，清空input

现在在做一个表单，其中有一项，本身是radio3个选项，然后还有一个“其他”，即一个input。例如 QuestionRadio [1]A [2]B [3]C [4]其他:_____ 现在的问题是，如果用户先点选了其中一个radio，input也会显示radio的内容。因为属性里是同一个value值。新人经验不足，请问这种情况，怎样来处理比较合适。...

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

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Highcharts venn diagram is missing intersections

In given intersections between groups, I found that the intersection between "B" and "C" i.e. ["C", "B"] is not ... needed, this one is the smallest and simplest one I've found....

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

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javascript - How to add next and previous control in the record detail view?

If you will click on any of the record row you will see the details of the record. I wanted to add ... ://stackblitz.com/edit/angular-ivy-1tsz1r?file=src%2Fapp%2Fapp.component.html...

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

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vue中数组数据处理

有两个数组，如下 ` arr1=[ {num:'001',name:'酒店'}, {num:'002',name:'饭馆'} ] arr2=[ {isAlive:'0',num:'001',id:'aaa'}, {isAlive:'1',num ... 一个设备离线(isAlive:'0')，那么就将该设备的状态及id放到目标数组中，否则只取num和name...

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

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请问如何将从嵌套型接口返回数据中挑选出需要的内容

定义变量result，类型为any(为了防止提示类型未定义),将接口返回的内容赋给result,result打印结果如图所示我想要从这些数据中挑出一部分内容用于前端显示，使用result.apiVersion能够正确取出对应的值， ... undefined，可是result不是已经设置为any了吗？请问这个要如何解决呢，我应该如何写才能正确取出值呢？...

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

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报错：Cannot recognize the token setRandomSeed

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

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1.7k views

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python - How add keyboard shortcut where one is missing from standard button on PyQT5 QMessageBox?

Upon creating a message box with standard buttons in PyQT5, I find that only some of them have keyboard shortcuts. How ... .Yes ) M.setDefaultButton( QMessageBox.No ) M.exec()...

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

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如何将股票代码格式化成类似000001.SZ这种格式(后面的.SZ或.SH根据exchangecd判断)

...

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

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2.2k views

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腾讯云服务器轻量 1核2G3M，这网速真是绝了，装个mysql 20kb/s

腾讯云服务器轻量 1核2G3M，这网速真是绝了，装个mysql 20kb/s...

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

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python - Create docker image based on separate custom image that accepts command-line arguments

I don't think I have the right title, but I'm not 100% sure what the correct one would be. I'm attempting to ... , or are you not able to "daisy-chain" images this way?...

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

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3.2k views

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phpspreadsheet生成三级联动excel ,下拉选择首为为数字模板报错

phpspreadsheet生成三级联动excel ,下拉选择首为为数字模板报错首位为数字第三级选着失败...

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

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kotlin - Why do I get ‘does not implement abstract member’ warning while using kotlinx.android.parcel.Parcelize?

I am getting this error while trying to read the bundle from another fragment where I am sending the NewVehicle object ... @SerializedName("zo_in") val zoIn: String ):Parcelable{}...

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

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3.6k views

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java 报错求原因？

这是第8页内容十一月 22, 2020 12:53:03 下午 org.apache.http.impl.execchain.RetryExec execute 信息: I/ ... .http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185) at org.apac...

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

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跨域名页面之间可以共享cookie吗？

在a.com登录后，获取token存到cookie，如何在b.com页面中拿到这个cookie？...

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

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帮忙看下van-list组件，下拉加载数据的问题

使用vue脚手架新建了一个练手项目，使用vant中van-list组件做一个数据列表的功能，下拉加载更多数据遇到一个问题就是：下面的代码会一次性将所有的数据加载进去，而不是下拉后再加载更多数 ... false; } } }).catch(function(error) { console.log(error); }); } }, } </script>...

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

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关于数组转换对象的问题

现在有这样一个数组 [{key0: '1'}, {key1: '2'}] 我想转成这样的一个对象 {key0: '1', key1: '2'} 要怎么转一下...

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

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4.0k views

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How to select JSF components using jQuery?

I am trying to implement jQuery with PrimeFaces and JSF components, but it's not working properly. When I tried to do the same with HTML ... (); } else { $("#p2").show(); } });...

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

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4.1k views

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c# - ASPOSE Converting PDF to SVG via streams produces invalid results

I'm trying to convert a pdf document into svg pages. My first attempt was to load the pdf document and ... and avoid creating unnecessary files just for the sake of conversion....

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

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4.0k views

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javascript - Let's say I want 8:00PM here in my timezone be shown as 4:00PM in another timezone based on the user's timezone, how can I do that?

I will put events on my website and instead of just putting the time of the even in only my timezone, I want it to be ... their device's default time? How can I do that using JS?...

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

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4.1k views

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VUE 的push方法有什么动态效果吗？

后端一枚，自己用html5做了一个手机访问的web项目，用上了vue+jquery，下拉加载更多数据那里，用到了vue的push方法，现在已经实现了下拉加载下一页数据的方法但是加载数据的过程有点生硬，页面拉倒下面就一把从接口获取 ... 没有搜到相关的知识遂请教各位大神，vue的push有什么温柔的加载过程吗？或者有关于vue push的详细教程吗？...

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

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3.7k views

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Bizcharts使用value属性报错

使用AntV的react版本图表Bizcharts的仪表盘时遇到问题，无法使用value属性，只要写上value就报错，报错如下图所示代码就是官网的源示例代码仪表盘示例请问有什么解决的办法吗？...

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

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4.3k views

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javascript - How to implement onclick function in anchor tag while dealing with Spring MVC

I am new to Spring MVC. I am trying to implement onclick event in anchor tag in which I've applied jstl tag in table row. So I ... )">${truck.compname}</a></td> </tr> </c:forEach>...

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

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Adding a REST API to Spring MVC application

Assuming an application with a traditional UI based on Spring MVC and Thymeleaf, it seems like there are a few ways to ... based on whether it was a UI request or API request?...

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

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recursion - Recursive function always returning same value

I am trying to solve the so-called "Hopper tower problem" with a recursive approach. This problem consists of: Array given as ... else cout << "It is not hoppable"; return 0; }...

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

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