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循环调用生成器

TL;DR: Is a javascript generator.next() and the associated yield a blocking process? Or does the yield actually queue the result? Details: function* nextIntegerGenerator(index) { while (true) {

困难的嗡嗡声

I'm a high highschool student taking an online course for python, and one of the assignments is to create a function similar to fizz buzz, except instead of "fizz" and "buzz", they simply use "three"

在LIPQPAD中将WPF按钮放在一行中

In Linqpad 5, there is a "PanelManager.StackWpfElement()" function that allows controls to be placed stacked vertically. I'm wondering if there would be a WPF solution to house multiple buttons/

不支持领域数据库-类型X字段

im working with realm in android and im getting this error message: error: Field "items" of type "java.util.List" is not supported. it's at this line: private List<Item> items; here is

在Python中按列表顺序选择n项

Say I have a long list: >>> import string >>> my_list = list(string.ascii_lowercase) >>> my_list ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',

角度服务的延迟加载

I have created module in Angular 4. Also i created service using @Injectable, added to module. Now my requirement is , service should not load during module loading. once i perform action or event

控制器只返回1视图而不是选择正确的视图

I have 2 controllers which both display the same view, the first shows a specific SSO provider and the other shows all SSO providers. When posting the login form and something goes wrong, the [

如何在AWS中发送自动电子邮件?

We are getting an automated email from us-west-2.amazonses.com, about summery of orders. Could anyone please tell where it is triggering? We are using MEAN Stack.

为什么Debug?GETelEnMyBID不能正确获取文本区域的值?

When I try to use document.getElementById to get the value of a text area, it returns [object HTMLTextAreaElement]. How can I fix this? This is my code: <html> <textarea id = "inputbox">

TestNG侦听器捕获两次方法执行

I try to execute test using selenium and extent report but each method i run log twice in extent report. For instance, login() get logged twice at extent html report. When run in debug mode, it record

通过R文件从XML文件中获取信息

I came across to a problem where in I have to use data from XML file, and these XML files are quite big. i need only limited information from this file. Can you please suggest me the ways to pull data,

比较日期的SQLite查询

I have two text columns (valid_from and valid_to) in a table (history) in SQLite database in which I am storing date in dd/MM/yyyy format. Now I am running following query to fetch all the records

这会被认为是糟糕的编程实践吗?

I had a situation where I wanted to use a default paramenter for a reference in a VERY large legacy codebase for a fix. static bool _defaultValue = false; bool SomeFunction(const SomeComplexObject&

在Python中测量多个代码执行时间的干净方法

I want to get the execution time of several portions of my code. Currently I am using time.time() but I feel a bit dumb when writing again and over again code like this: start = time() function1(

Python -YouTube

I want to clean the remnant [Deleted video] of several playlist of my YouTube channel. I'm using this code but it doesn't work. YOUTUBE_API_SERVICE_NAME = "youtube" YOUTUBE_API_VERSION = "v3"

我的照片没有出现在网页上

I have already checked that the spelling is correct across the board. I have added the folder to my workspace and still no luck. I changed out the file path and used a picture from placeimg.com, the

AWS Web服务器(EC2 Linux实例)到网站

I'm trying to make a website where a user can upload a .vmdk file, convert the .vmdk file to a .qcow2 file, and then download the converted file (in a .zip format). The user can currently upload any

如何找出函数除以2的参数是楠吗?

I am needing to write a function that takes in a parameter. If the parameter divided by 2 is NaN it is to return "FLYING NOCTURNAL MAMMAL MAN!" Otherwise it is to return the result of the parameter

Tomcat配置错误

I have a project on Spring with maven build. (Eclipse IDE on Windows). When I run my Spring Boot application I am getting this error *************************** APPLICATION FAILED TO START **********

在本地反应中呈现用户帖子JSON数据

Hello i'm currently working with React native using my rails api to retrieve user micropost data. The data renders in my log but comes up blank in react native. Honestly not sure what i'm doing wrong.

非法混业经营

Before: set extrainfo =concat( '{"from":"carpool","table":"Block","key_field":"b_index","key_value:"',b_index,'","infoid":"',info_id,'","code":"0","message":"This trip is valid"}'); run success. I

为什么我有

My git log command produces the following: commit 568a9783f75b0c1ab12499beb32b518e19ab60c0 (HEAD -> master, origin/master) Merge: 7428e09 e7c1537 commit

MFP 8服务器维护

Is there any default way to enable/disable maintenance in MFP 8 ? So that, App should not be accessible. Also, if MFP is down, what's the default message to check UNRESPONSIVE_HOST or UNKNOWN_ERROR ?

ICP2.1.0.3企业安装失败-等待库伯内斯

I am having trouble installing ICP 2.1.0.3 EE. Actually I have had the same issue with CE. Basically, the installation runs fine for over 4 hours, pushing the images to the Proxy and 2 Workers, it

在设备树中定义GPIO

I have a Ti's AM335x custom board. I want to define some pins as gpios and be able to set them as input and output in its Linux userspace. I defined pins in am33xx_pinmux and then referenced it with

如何操作嵌套列表

So I currently have a nested list. org_network=[[1, 2, 3], [1, 4, 5], [1, 3, 6], [7, 9, 10]] I need to figure out how to manipulate it to create lists of possible combinations of the nested lists.

如何使用ZF3动态连接数据库?

Here is the scenario, I have different database like document1, document2, document3 . document100. These database are generating dynamically using same username and password. So how I can connect

使用Android文件传输通过NATScript脚本助手运行应用程序

I'm trying to run my app from my mac on my connected Android device. When I open up Nativescript Sidekick, the device appears under the connected devices. When I try to run my app on my device, my

保存到文件方法删除数据

So im trying to update and save the data to a text file, however everytime i try to run the project it wipes the data from my text file. I believe its trying to update the text file, but is just

如何在终端中使用同一环境

I'm a greener in anaconda. Forgive me if I ask a stupid question. The following is the issue I faced. And thanks a lot in advance to take your time. I installed anaconda2 and used jupyter notebook to

为什么我的代码没有正确的缩进?

I am having some trouble with my [Python 3.6] code. I'm not sure whats wrong, and I have tried many ways to fix it but none work. The problem is at the line where it says "Class Mainarchive:", I

防止WCF客户端发出过多请求

I am writing an application where the Client issues commands to a web service (CQRS) The client is written in C# The client uses a WCF Proxy to send the messages The client uses the async pattern to

用VB.NET重新排列方程

I am wanting to create a program using vb.net to rearrange equations that the user has entered into a text box then to find a subject that the user has also chosen from a text box.

弹簧启动中包含中文的属性

I add some custome attributes which contains Chinese in a Spring Boot project.However, the attributes show the wrong way. I use the idea and set file encoding with utf-8. Oh, and I am using YAML

超越露比

When I override an existing method e.g. def add(a, b) a - b end I still have to call that method using the . operator: some_instance.add(3,2) However, if I override the & or | operators e.g.

如何根据股票交易获得特许经营的股票数量?

I need to get the total qty available for each franchise based on per item. I have menu_catalog table which will link to main table of franchise and item table. id id_franchise id_item 1 1

C可空的

I'm trying to create an instance of an object with a private (or rather, internal) constructor using reflection: internal static T CreateInstance<T>(Type[] types, params object[] args) {

Helou投掷JSONDecodeError,但应用程序在NGROK

I have a Flask application that accepts POST requests in the form of JSON. It works locally on ngrok, but when I deploy to Heroku I get the following: 2018-06-05T23:42:05.747024+00:00 app[web.1]:

自定义工具栏到TyMyCE编辑器

I've created a sample toolbar for TinyMCE editor and it's out of the editor right now. Here is the link that could be checked: Custom Toolbar For TinyMCE First a user has to select an image and write

Ubuntu安装的软件包在哪里?

Whenever i install a package using the sudo apt-get install command, I would like to know where in the file system the package is palced. Does it get placed in a single folder like in the windows file

如何在MVC中调用另一个视图中的视图?

I have a View called ShowAll where I want to call another View EmployeeRecord and CustomerRecord. It gives me error Uncaught Error: can't load XRegExp twice in the same frame at eval (eval

前端DB代码隐私

How can I make code / queries etc.. 100% private from viewing when user puts the front end DB I developed in a Non Trusted location ? In such cases code cannot run and User can open via Navigation

如何用AngularJS应用程序上传和下载文件?

I am very new to AngularJS development. I have the business requirements to upload and read a file (Oracle BLOB) after saving the file into Oracle database. So far, I have yet to see any good example.

如何利用OpenCV进行人体测量

I want to work on opencv to get human body measurements so anybody

为什么是我的$I会话或我的

I am trying to make an email form that when an error occurs it displays a flash error message. I have the process split over two pages, the first is the contact.php page where the form is and the

使用私有资源的Android工作室错误

Please someone could help me, when i installed de Android Studio the following error appeared. The error: 1 Using Private Resources Text 2 Using Private Resources Design In the message it says

Hadoop 3.0.3

Another episode of the dreaded SSH failseems awfully common! I'm installing Hadoop 3.0.3 on a cluster of 3 servers -- A, B, and C. A is the Namenode, B and C are workers. Each server can contact

带设置超时的循环中的未定义变量

So my problem is with the timeout, because by the time it starts my array is reset and also all the other values are changed as well. i have user input in the messages array, which are the lines they

迭代不同的数据文件

I am trying to iterate over three data frames to find the difference between them. I have a master data frame which contains everything and two other data frames which contains partial of master data

如何计算气泡短的空间复杂度

Like I am comparing two elements of array and I am using one more space for swapping. So what will be the space complexity and how I can find any algorithm complexity.

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