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通过亚马逊苏美尔探测阿尔科雷现有3D对象

I'm having issues interacting with a 3D object on a mobile app using ARCore and AWS Sumerian. Even when tapping the object on the mobile app, the 3D object does not respond. My phone is on the

如何将MySQL中的行转换为列?

I have three table (student's_info,subject and marks): this is table student's_info: ---------------- |s_id | s_name | ---------------- | 1 | Ali | | 2 | Jon | --------------- This is

从文件读取内容时分割错误

I am reading all files in a directory. Following is my code: DIR* FD; struct dirent* in_file; FILE *common_file; char *c; FILE *entry_file; char buffer[1024]; if (NULL == (FD =

如何在Linux环境下安装PYHS2?

I use "sudo pip3 install pyhs2", but it’s not working. It show this error like as picture. In this situation how can i install "pyhs2" library in my linux environment enter image description here

在那里我可以找到好的教程来使用Django构建CMS

I finished couple of tutoials about django framework. Where can I find good place for tutoruals the teach me how to build cms using django from scratch.

用于数字的最佳数据类型是什么?

Good day what is the best data type and length to use for numbers the data format is like this 2018/06/03,15:06:59,1,25.01,0.879,2.75,2.49,1,0,0,0,0,0,0,0,0,0,0,0,0,27.94,2.2.2,-250.00,key,0,0,0 ,

Android工作室没有显示带有摇动的LogCAT

I am using Android Studio for Flutter App Development. Everything seems to be working fine just that the Android Studio does not show the "logs" in Logcat. In the Logcat section it says "Please

调音dih阿帕奇索尔

can we increase the Apache solr performance for importing data from mysql with dataimport ? currently i am using : 4 core processor RAM 16 GB HDD 50 GB mysql record 1,2 Millions for now i get 20

为什么多个并发握手到WebSoC会减缓连接?

I'm using ratchet websocket for my real time project. Its running without any problem. Recently I found that when multiple concurrent users connect to the websocket port to establish connections, it

库存转移和收据中的JavaScript问题

i have added a new unbound field to display image of Inventory Item in Transaction Details tab, then to set the fixed height of the image I have added some javascript, but after adding javascript the

使用FADELAR()和Sql()的奇怪正则表达式问题

I'm trying to use \w{2}\d/\d{1,2}(/\d{1,2})? to match below two interfaces on a Cisco switch: Gi1/0/1 Fa0/1 When I use re.search(), it returns me the expected output I want. import re port = "Gi1/

如何在Redux Saga中传递API调用的参数

I am currently trying to learn how to use Redux-Saga by making simply API calls to the Pokemon API, however; I want to be able to search by a certain Pokemon. I am using React to search for a Pokemon

RXjava/RxAndroid中的发布主题导致错误崩溃并跳过下一步

I have a code like this: Process X: getLocationObservable() // ---> async operation that fetches the location. // Once location is found(or failed to find) it sends it to this filter :

Internet连接更改时自动重新加载WebVIEW

When connection get back I want to run this task, I want to call NewortchangeReceiver() constructor. I wrote "android.net.conn.CONNECTIVITY_CHANGE" in Mainactivity IntentFilter because "android.net.

不能得到逻辑

I am actually not getting what logic should I put in to get what I desire. I actually want to halv the third column and also find the mid of class interval in my second colmn and print subsequently.

颤动:初始化器中的条件

In most languages I can have a conditional like a switch block in a constructor to decide on what arguments to pass to the super constructor. How to do that in Dart? My use case is passing a map to my

如何使用查找异步方法并在ASP.NET核心通用存储库中包含在一起?

I Want to Find Id Use Find Async And Includes together Instead of Code below With Generic Repository? Old Code public async Task<IActionResult> Delete(int? id) { if (id == null)

将文本定为圆形div [复制]

I've a problem with vertical centering my H2 and H4 elements into div which has 50% border radius. It looks like: Of course I would like to center this text even on small devices. I had a problem

现在我在Maven项目中工作,我创建了JAR文件,但是当尝试运行jar时,这个错误

E:\Maven\S_Work\target>java -jar S_Work-1.0-SNA Error: Unable to access jarfile S_Work-1.0-SNAPSHOT.jar so what problem here ? pls help

购物图像宽度滑块不工作

I achieved success to add new block in Shopify using schema and Shopify liquid. I have added schema which is expected to adjust the width of an image one on left side and one for right side.I am

如何在管理邮件列表中添加发布/草稿按钮

I try to add publish/draft button in Wordpress Admin Post Lists but it doesn’t work well in a certain situation. Does Not Work New post -> Save as Draft -> Publish using new button in Adomin Post

未能导入媒体WordPress

I am trying to import demo content for my theme (Portal from my themeshop), and I am getting the following error. It successfully imports a lot of the content but it doesnt want to import the

修改本地文件后上传文件错误

I need to upload a file (using AJAX) in two separate actions: First - file selection Second - uploading file by separate button After some research I decided to go with FormData. Simple example

Android应用中的嵌入式视频故障

I am working on a android app using NativeScript+Angular. It is a video streaming app for that I am using two approaches Using NativeScript-Exo Player to play videos hosted on my server. Embedding

如何从Android中的消息处理服务中获取活动实例

I'v got a Message handler service that registered in the manifest file, this handler listening for incoming push messages. I want to call a method in the MainActivity, therefore i need the

当用户更新应用程序时,如何让用户只下载更改了应用程序的部分?

I'm about to publish my first app to the Play Store and the app is written in Java. At some point after publishing, I'd like to make changes to the app, whether changing source code of classes,

尽管闰年尝试一致的周数

Using PostgreSQL version 9.4.18, PostGIS Version 2.2 I'm using this function, and I'm using WW because don't want ISO week numbersjust the week number starting from 1 January: CREATE FUNCTION

当我编译一个

here is my main function. Im not quite sure why this is happening (my first GUI application ever, Ive always done CLI before this). This does not happen when making Debug build, only with Release

CUDA的CSET设置

How to set up custom CUDA directory for enable_language(CUDA)? From cmake version 3.8~ ,I can use enable_language(CUDA) command. In my custom cmake file, I set CUDA_TOOLKIT_ROOT_DIR same as cuda

从Django TGGIT获得相似类型的类似对象

I am using django-taggit tags in two models, lets say Model1 and Model2. I am using below code to get similar objects from my one of the model. obj1 = Model1.objects.get(pk=1) similar = obj1.tags.

用JS和NodeJS上传文件后请求

i have the following request i would like to write as a post request in nodejs: POST /rest-api/hashDb/createAndUpload HTTP/1.1 Host: 192.168.101.54 Connection: keep-alive Content-Length: 428

KNIME增加2表地平线

I am quite new to KNIME, and would like to ask, what nodes should i do to add 2 different database table together vertically. ------------- ------------------ ----------------------------- |

用POWER外壳读写公共信息广告

I'm currently working on a script for installation. Part of this process involves creating the service account users in AD and I would like to set the security to allow Read/Write Public Information

如果是VUE组件,则无法获得DOM元素

I am trying to dynamic to update data from Vue.compnent on Webpack project. I wrote a simple HTML and java script file. <template> <div id="container"> <slot>show

使用外部库在反应中

I am using a third-party React library I added with yarn add and I am having not a function issues with the library's use of the this keyword internally. Anyone could share a fix? Thank you.

谷歌分析获得跟踪跟踪

I currently have this code, to try and find the right tracker I need (among 8-12 trackers): ga.getAll().forEach(function(tracker) { if(tracker.get('trackingId') === "UA-62921111-4") { Instead of

离子V3获取CONMULTALCAP API数据

I want to display the list of all the crypto coins available in market with the help of ionic. I have used coinmarketcap api for this. https://coinmarketcap.com/api/ I have referred this tutorial ->

鲍伯字符串索引超出范围[待机]

count = 0 s += " " for n in range(len(s)): if s[n] == 'b'and s[n+1] == 'o' and s[n+2] == 'b': count += 1 print(count) This was the code I made for problem 2 in problems set 1 from edx. I

为什么在PuthS壳中管到%{ 0 }?

PowerShell scripts sometimes pipe to %{0}: [byte[]]$bytes = 0..65535 | %{0}; I know % is an alias for ForEach-Object and $_ represents the current pipeline object. Is this solely to avoid output?

消息传递在反应系统中的作用

Following is an excerpt from here: The foundation for a reactive system is message-passing, which creates a temporal boundary between components that allows them to be decoupled in time—this allows

使用CHACHA20聚1305节点

Older versions of node did not support chacha20-poly1305, but as of version 10.0.0, node supported openssl 1.1.0, which includes chacha. require('tls').getCiphers() includes chacha. $ openssl ciphers

需要一个逻辑来创建评论

Ok so the basis is that I want to be able to have comments on each of my post. The comments will have a reply button for each. It’s not multi threaded so one comment will have many replies. Those

R中子集中列变化的类

I have a dataframe where i need to subset it for my further usage in the program. After subsetting it , i found that the class of the column is changing to "unknown" class . when i use this column for

C平衡二叉树与C STD:映射性能

Having a discussion with some experienced developers about containers in C++, they told me that for better performance, instead of using std::map, they just use a classic C binary tree. Since an std::

在Visual Studio中什么原因引起错误C2692?

I am trying to use socket.io C++ library in my C++ app it has some dependence rapidjson and websocketpp which i have downloaded and linked but i am getting a C2694 error in VS but not sure what this

为什么要在回调中传递具有属性成功和系列的对象?

him.getGameResult = function(callback) { setImmediate(function(){ callback({success : true, series : getSeriesHim()}); }) } am trying to understand the meaning of this code but can't figure it

如何在Android中没有下拉数据时显示SPIN的提示?

I have a spinner and I used this solution for creating a hint for my spinner! my problem is, when I have no data and the array for data adapter is empty, my hint doesn't show!and after my array of

尝试删除第一个附加div使用按钮也删除jQuery中的第二个附加div

Consider there are 2 appended divs inside a main div. When I tried to remove the first appended div using revoke button it first removes the 2nd appended div. Then if again click revoke button on

不稳定长计算

Trying to use Dafny as a CAS to check that some algebraic calculations are correct. Dafny does a good job, except that it gets unstable for longer ones, failing to verify some very easy steps even

不点击弹出的哨兵用户反馈模式

I already setup sentry and it works and sends the bugs correctly, currently i'm making a "something has gone wrong page" with a report feedback button, problem is that the modal does not pop up on

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