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假设我在DolphinDB发布端已设置了过滤列symbol，代码如下所示： share streamTable(10000:0,`time`symbol`price`id, [TIMESTAMP,SYMBOL,DOUBLE,INT]) as trades ... python中应该如何写filter参数?{"symbol": ["000905",]}这样吗？...

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

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253 views

1 answer

singly linked list - Can't insert the element in the required position

I want to enter the number at a particular position but my code is not putting the element in the required position, it seems ... ); default:printf("Wrong input"); } } return 0; }...

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

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504 views

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求救，php无限极分类不用递归怎么处理成层级结构？

`$arr = array( array('id' => 1, 'pid' => 0, 'name' => '分类1'), array('id' => 2, 'pid' => 0, 'name' => '分类2'), array('id' = ... pid' => 10, 'name' => '分类4-1-1-1', 'level' => 3,), );`...

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

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152 views

1 answer

excel - IF AND formula with variable VBA

Could you please tell me what needs to be updated in the formula below so it's working? Function Col_Letter(lngCol As Long) As ... COMPCOLLETTER & "2>=-5%),"no check required","")"...

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

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260 views

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ruby - TypeError singleton can't be dumped

I am working on a Rails 4 project and using readthis_store gem to do my caching. I do have the following code though I ... come across this and been able to solve it on Rails 4....

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

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374 views

1 answer

shell - Unix Resolve sequence of variables stored in file

Given is a file named job.properties with below contents version=current rootDir=/a/b/c/repo appPath=${ ... /a/b/c/repo/current/workflow/test/spark_scala/single_session_wf.xml...

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

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748 views

1 answer

c++11 - Dev c++ 5.11 and GetDpiForWindow() doesn't work together

GetDpiForWindow() must be in Winuser.h but there is no such functions. And i've got "'GetDpiForWindow' was not declared in this scope".I use win 10 20H2...

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

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264 views

1 answer

Redis在K8S中，容器使用内存超出限制的问题

在K8S中部署了Redis，容器的内存上限为1G resources: limits: memory: 1Gi 同时设置Redis maxmemory 为1G，info memory可以 ... 放内存？ container_memory_working_set_bytes与redis自己报告的used_memory_rss和used_memory是啥关系？...

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

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393 views

1 answer

java - LibGDX: poor quality when rendering in Android

How can you solve the problem of poor quality when rendering everything, for which these pixels are in the screenshot ... dithering, while on the desktop there is no such thing....

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

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198 views

1 answer

node.js - Download File on Request in Firebase

I am looking for a solution to directly download a file in the Firebase Storage when hitting an API endpoint. ... : Error: Not Found Could someone help me, please?...

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

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468 views

1 answer

如何混淆vue代码

如图，用vue-cli3打包之后方法名依旧没有混淆，有什么方法可以混淆这些方法名吗？...

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

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282 views

1 answer

c# - how can i build project and copy output dlls while publishing different project in one solution .net core VS2019

X and Y -> class library project (.net core) and X and Y has references Z(.net console application) project. I want to ... I can do Z.csproj file or Z buid event with macros ?...

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

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288 views

1 answer

c# - Set combobox selected index/item according to a condition

The comboBox9 gets populated with unique values from an Excel Range with the code below. comboBox9.Items.Clear(); HashSet<string> ... ; } } Any ideas on where i'm going wrong ?...

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

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303 views

1 answer

想用C#改变显示器颜色，可否使用ChangeDisplaySettings？

有没有例子？回答者可获得个人微信红包感谢。...

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

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356 views

1 answer

How to debug a python file run from shell script in intellij?

For example: I have a test.py print("hello world") a=1 print(a) and a shell script test.sh python test.py ... test.py since they do not fully utilize the Pycharm debug feature....

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

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176 views

1 answer

java如何模拟stop the world

为了测试在某些关键点上stop the world 是否对整个程序有什么影响...

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

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449 views

1 answer

Typescript generics in array with conditional types

Lets say we have code like this: const a = 'a'; const b = 'b'; type Union = typeof a | typeof b | ... this is a wider issue: https://github.com/microsoft/TypeScript/issues/29729...

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

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396 views

1 answer

python 3.x - How to show different colour in the same data in tableau?

In tableau, I want the colours of my fields to be shown separately, but Tableau automatically creates a custom colour for ... the way it looks right now This is the colour setting...

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

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442 views

1 answer

Right Click -Selenium - Python

I'm little bit struggling to find the correct way to perform a right click. Here is a sample of my code: click_Menu = ... .sleep() but the result is the same. Any ideas please ?...

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

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437 views

1 answer

javascript - Train output to not be in specific range using brainjs

I am new to the neural networks and I am trying to train several simple data points. I have training inputs x and y ... can I use? I am using brain.js library in javascript....

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

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638 views

1 answer

用sql语句怎么让结果集直接生成insert语句

mysql数据库管理工具有个COPY AS SQL INSERT 希望能用sql语句直接根据结果集生成insert sql语句...

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

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530 views

1 answer

vuex使用了sessionStorage作为数据来源后，没有初始状态，无法监控？

//获取网站信息 const bloginfo = sessionStorage.getItem("bloginfo"); if (bloginfo) { this.$store.commit("setWebsiteInfo", JSON.parse(bloginfo)) ... stringify(res.data)); }); //} 有大佬可以解惑否？...

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

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618 views

1 answer

vuetify.js - API Documentation for vuetify component v-treeview of version v1.3.x

Where can we can get the doc link of vuetify 1.3.x version ? As I am getting one query, i have used <v- ... object but instead it is returning only id in array. Thanks in advance...

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

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530 views

1 answer

performance - href link slow to load

I am using my href as <li><a href="<%=ResolveUrl("~/On_Call_Pages/Accident_Investigation_Team.aspx")%>">Accident ... so without having to create an entire new master page....

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

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427 views

1 answer

java - The prefuse edge arrow didn't show up. Even i set up the code for the edge arrow

In order to make the edge with the arrow, I set up some line of codes in the GraphView.java example. ... () { public void actionPerformed(ActionEvent e) { dialog.setVis...

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

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774 views

1 answer

vue 的视图渲染问题, 非响应式的数据为什么在同一模板中其他视图渲染时也被重新渲染?

代码示例如下: https://codepen.io/Liaoyk_cod... // 日期框1: <el-date-picker v-model="test['a']" // 这里绑定的是test['a'] type="date" value-format="yyyy- ... 1中输入任意的值,文本1内容正常展示且日期1也被重新渲染了, 这是什么原因呢?...

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

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761 views

1 answer

el-select选择不显示label 而显示value 数据类型相同

先看局部代码，select绑定certName 已经赋初始值Number类型再看certNameData 本来请求到的数据id已经为Number类型，这里网上都说类型问题，所以加了个parseInt，虽然没啥用然后最后显示就是这个样子 @change中我用这个id去请求了下一个input的数据，其它没做任何操作？有大佬遇到过这种问题吗？...

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

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641 views

1 answer

python - Pyinstaller no window creation

I created a small game with pygame and wanted to share it with a friend, therefore i wanted to convert it into a . ... frame> EDIT Using pyinstaller with python 3.8.6 seems to work...

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

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