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基于APLLY和子集的子集数据帧

I have this data frame: structure(list(ABEV3 = c(15.2, 14.9, 15.22, 15.15, 15.18, 15.46, 15.49, 15.5, 15.37, 15.49, 15.64, 15.38, 15.3, 15.01, 14.75, 14.9, 14.77, 14.61, 14.21, 14.07, 14.1, 14.17,

ToSoFLUT:使用TF时的低GPU负载

I have been stuck with this issue, so lets hope that someone can shine a little bit of light in this The issue: For this model, I tried the tf.Data input pipeline (first time) fro training a small

Safari和微软边缘问题加上JS后的位置固定

after added position fixed with js on scroll , it wont works on safari or microsoft edge look at this real demo : http://verjen.irannovin.co/fa/ scroll down in safari not show menu fixed on top .

字节长度

Why is this difference between these two codes?:- In [45]: import cv2 In [46]: cap = cv2.VideoCapture(0) In [47]: r, f = cap.read() In [48]: cap.release() In [49]: f.shape Out[49]: (480, 640, 3)

递归地重命名当前目录中的某些文件名

Let's assume I have following directory tree: . |-- foo `-- foodir |-- bardir | |-- bar | `-- foo |-- foo -> bardir/foo `-- foodir |-- bar `-- foo 3

最近的VisualStudio Update引入了用于在键盘上创建关闭卷曲括号的快捷方式:如何找到违规命令?

A recent update to Visual Studio has introduced a new or updated shortcut key that on my non-English keyboard allowed me to create closing curly braces (AltGr + shift + *). This shortcut still works

KTILN验证EngEt文本的输入和长度

We have an EditText that is inputType numberDecimal and we can validate the number entered and if no value was entered. Our question is how to incorporate both in to one if statement or is this even

C中的指针和Java中的引用有什么不同?[复制品]

I could not really catch the difference between pointer in C++ and reference in java. what is the difference between pointer in C++ and reference in java ?

如何连续更新文件中的行号

We are pushing IIS Log files via API to DB for monitoring via SPLUNK but we are sending the duplicate data since our C# job runs every five minutes and it sends all the lines // Read the file

如何计算总百分比

Hi Guys I am very new to tableau. I cannot seem to a find a solution for a problem I am currently facing. Following is a dashboard I built: I am trying to calculate the clickrate of total like this:

如何在PHP中使用Read Field()创建一个文件夹?

I am doing this: $filepath = __DIR__ . '/../../non/'.$csvName; readfile($filepath); It gives me an error: <b>Warning</b>: readfile(C:\xampp\htdocs\Practice/../../non/testing.txt):

内部会话与后台传输

I am working in project where I need to download large JSON response in background (Even if app crashes). I also want to understand internals of background transfer service, i.e. what iOS is doing

模板const引用返回类型问题

Consider the following: #include <iostream> template <class T> class Base { public: virtual ~Base() {} virtual const T fun() const = 0; }; template <class U> class Sub :

ASPNET角色扩展

I know, this question has benn already asked several times, I read a lot of topics which did not really help to solve the problem. Can anyone provide a tutorial how to extend AspNetUserRoles table

如何在OnAppearing完成之前等待应用程序?

In my Xamarin.Forms application on the iOS platform, I have found that the application freezes when switching through navigation pages for a while. I deduced that the application started changing

新实例忘记密码

I have a new instance I created a month ago for testing and now I cannot remember the password I used. I would like to save the data. Is there any way to either reset the admin pw back to setup or

VueJS与动态标题

Trying to use vue-meta I can't understand how to set title based on XHR response. So far I have: <script> export default { name: 'Model', data() { return {

在Ubuntu中运行仿真

Can someone with experience in Ubuntu provide some help please. Novice user here. I have created an environment where there are three users, Tim, James and Harry. I have created a group called

我希望能够使用PHP框架开发任何一种复杂的大型Web应用程序。什么是正确的学习路径?

I did 5 month web development course from some institute. Currently, I am good at core PHP (both Procedural + OOP). I have set my learning path as follows: MySQL(become expert) -> JavaScript(basics) ->

Linux:从一个非特权应用程序中执行特权命令的正确方法

I have a portable GTK Python application that runs in user space. For most use cases it does not require root permission but, for the few that requires it, I would like to give the user the ability to

在ViewController我可以把函数放在哪里?

I am using Xcode and Swift for an app, and am using the single view template. I'm wondering where I can put functions in the ViewController class. I have tried defining a function, and then calling it

使用多个滑块来处理单个图中的曲线

I created the following Jupyter Notebook. Here three functions are shifted using three sliders. In the future I would like to generalise it to an arbitrary number of curves (i.e. n-curves). However,

在AWS工作空间上使用APT get?

I am trying out AWS Workspaces with the Linux package. Now I want to install some packages, specifically the Atom Editor. However, neither dpkg and apt are installed on the command line nor

未定义引用错误$变量

If my functions has to go to "else" part it's acting like "title" is not defined, I've got an error (ReferenceError: $title is not defined) My code: function GetCategories(title) { if(title==

我在哪里可以找到系列40版第五版特征包1下载在2018?

where can I find the file, Series_40_5th_Edition_SDK_FP1_Lite_v1_0_en.zip in 2018? without being by the nokia website in 2018? some valid link to download this file that I said?

jQuery延迟函数的问题

I am working on a customer review section of my page where it has a div showing names in a row and an arrow that moves to each name after a few seconds. However, when I type in my jQuery for it to

iOS -如何修复

I've got this annoying error for number of days now: I've tried: Deleting pods folder & pod file & pod.lock file & .workspace file and reinstalling pods again. removing all library

I'm trying to update a class variable (prediction) and then use that variable as data for a segue (AnalyzeSegue). However even if I update the class variable within the function (detectScene), the

有休息服务的春季安全推广吗?

I am building REST API with Spring Boot and I use Spring Security. I started here but found some other tutorials and blog posts with this issue and managed to get it work after implementing custom

C宏解析问题

I'm trying to use a macro to queue up a single log line locally in an ostringstream and then dump the entire contents of that ostringstream when the line is over. I want to still use stream insert

乘法平方函数

I've been trying to write a function that can take a different number of integer parameters and return the product of the squares of the parameters. output should be: multiply_squares(3,2,1)

基于密钥获取FielBASE条目

I can't find a way to get a firebase entry based on the key(marked in red on the picture). I have the key, and want to get the other attributes of the entry(blurred out here), but I can't make the

如何在不移动盒子的情况下装箱?

public static bool BoxCast(Vector3 center, Vector3 halfExtents, Vector3 direction, Quaternion orientation = Quaternion.

函数必须返回S中的字符串数组,这些字符串在T中以S中的顺序不存在。

vector<string> missingWords(string s, string t) { vector <string> arr; arr.push_back(s); arr.push_back(t); istringstream parse_s(s); for(auto i = 0; i <= arr.size();

在RStudio错误中分配值而不是筛选

I am using RStudio Version 1.1.456 with Windows 10. I was trying to filter one of the columns, year after I open a data frame but then I ended up assigning values. data$Year = 1960 Is there a way

用MOCKITO测试失败但应用工作

i'm testing an application that serch items on a MongoDB database. The application works but when I run the test, there is an error. This is the test class: @Test public void

Swing UI在试图从SWIFER中更新时冻结

I've tried to make a simple Swing example which uses SwingWorker to update the text of a Label. Whenever the SwingWorker finishes and tries to update the text, the UI will freeze. After closing the

获取MeNeStIP项目和TooStand项目列表

I am trying to get a list of menustrip items and tool strip items. for toolstrips i have written this: private void ShowToolStripItems(ToolStripItemCollection toolStripItems) { foreach (

你能用一个链接(一个动态链接)共享一个FielSt店文档吗?

I have a firestore DB where documents have users with roles. Only the owner and participants can view/edit the document. I want to send a link (over email, messages, chat, etc.) that someone can

你需要使用谷歌API与Android谷歌地图SDK吗?

Could I bring in my own APIs for Android Google Maps SDK to use? I want to avoid paying anything to Google or getting a google API key if I could just bring in my own and have the SDK render

角度6中强类型的信号中心轮毂

Ultimately, I'm trying to use a Strongly-Typed SignalR Hub in Angular 6 using services and interfaces. I'll start with the Hub first. Since SignalR has the option to now strongly-typed commands, I'd

根据选择,禁用DeDePikER中的日期

Ok, I guess the right way to start is: HALP! So to start I will give you an introduction to my Problem: I am working on a booking system for Vacation-Rental-Homes. The user is creating new Bookings

当滚动到它时,获取一组div的索引。

I have a group of row classes and I need to print the index of each class as you scroll to the top of them. <div class="row">Hello world 1</div> <div class="row">Hello world 2</

如何在ReaviToRyField中获取存储库方法名称?

I would like to get the method name of ResourceRepository to be invoked in the RepositoryFilter, so I can get the Annotations described for that method and take action against it. Currently I am

本土反应让我直接操控道具

I am using react-native and react-redux to create a simple app. Thus, all of my props are passed in from mapStateToProps, coming from redux. I should have to use mapDispachToProps to manipulate the

文赢

I have the following li, and I need the spans to be truncated with ellipsis, which is not happening with my code. I really need the div.column to be display: flex and flex-direction: column. Is there

是否有可能在对象/方法的上下文中动态编译和执行C代码代码片段?

This is an extension of this question: Is it possible to dynamically compile and execute C# code fragments? But is it possible to reference fields, properties and methods of a certain object? For

按顺序排列数据帧中的列

Ciao, Here is my reproducible example. #this is the dataset i have d <- c(1,2,3,4) e <- c(7,4,6, NA) f <- c(9,4,3,6) g <- c(10,5,4,7) mydata <- data.frame(d,e,f,g) names(mydata) <-

在Windows 10上安装python 3.7的pythPo安装错误

I used the command pip install pyinstaller to installer PyInstaller for Python 3.7 on Windows 10, but the Command Prompt gave me the following errors: ModuleNotFoundError: No module named 'pywintypes'

我正在使用Python开发一个API自动化框架。有人能告诉我如何在我的框架中开发报告模块吗?

The automation Framework will be ran through Jenkins and it should generate report of each test cases(passed/failed) for a Testsuite. a. For communicating with REST services, I am using the python

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