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跟踪原始数组的填充

Background: I am trying to change the ArrayLists to primitive arrays (double) in a large model. The model is currently incredibly slow, and so this is an attempt to speed it up (with limited Java

初学者编码器与面向对象编程

This is my first time posting any kind of code. Does anyone else have a problem bringing functionality to their projects? I wrote this code. It was only for fun. Can someone look at this code and tell

在ECS中的节点/ Express项目的根目录中是否应该有.Env文件?

Goal I'm trying to deploy my NodeJS ExpressJS API in a Docker container running in my EC2. Should I have a physically .env in the container, or just simply created via task definition is good

为什么AJAX在成功后返回XAMP本地主机索引页?

this is my ajax code $(window).on('load', function() { $.post("http://localhost/test", {run : "1"}, function(data,status){ $("#show").html(data);

用大数据包中的另一列替换一列中的值

i need to replace the values of one column(livre_doença_meses) only when there are some conditions(recidiva == 0 and vivo == 0) with the values of another column(sobrevid_meses) in pandas, but keeping

无法将一个div附加(位置)给jQuery UI Slider Handler

Can you please take a look at this snippet and let me know why I am not ble to attach the .box` to ui handler $("#slider").slider({ min: 100, max: 500, step: 1, value: 200,

如何使用

Ok so I posted a question about this topic before and I was told to go more in-depth about my problem. I recently ran into an issue in Spritekit where a node would fly through another node in less

VSCode W/MSYS2中的包含路径

Try as I might, I simply cannot get VSCode to find ANY headers I've specified in includePath and browse->path. Here is my c_cpp_properties.json file. Surely VSCode should be able to find curses.h

如何从字符串JavaScript返回ID

var str = '<input style="background-image: url(&quot;data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAASCAYAAABSO15qAAAABmJLR0QA/wD/AP+

在C 14中有没有写短文的方法?

This might seem like code golf, but that's not what I'm after. I'm looking for a way that's both more succinct, and clearer. And foo has to continue to work without any significant changes even if the

角材桌

I'm working on an Angular 6 project where I'm loading data in from an AWS DynamoDB table via Observable into a Material Table component. I used the angular-cli to generate the initial structure of the

在Juyter笔记本中没有命名熊猫的模块

I know there is a huge number of questions on this topics, but not even one worked for me, not here, not on github. I have installed anaconda2 for macOS a few days before. I know pandas come with

用PHP从数据库中显示日语字符

PHPMyAdmin is displaying Japanese characters perfectly with COLLATION =: utf8mb4_unicode_ci but it just displays ???? in the browser. I am using the correct UTF code in the HTML headers like: <

在iOS上使用FixBasic分析时的观众错误

I'm getting this error, but it's pretty unclear why it's happening or what I should do about it: 5.1.0 - [Firebase/Analytics][I-ACS006009] Audience definition is invalid. Audience will not be saved.

无法用键将信息推到火底上

I am trying to assign a new user a key whenever they create an account. The issue I have found is that in my login.js file, I create a key and then it will register and update into the user

异步对象不是可迭代的。Django 2.0.3,OpenCV和芹菜的问题

My problem statement is as follows: I need to capture live video feed and detect faces out of it. I am using dlib library currently to do it. I have written a view in Django which when called

按列(整数)排序汇总数据文件的故障

I aggregated a table of regions, by the highest price per region. So, region is only listed once, by the highest price achieved per region. MaxPriceByRegion<- data.frame(aggregate(Price ~ Region,

Oracle SQL DealPerf:如何拥有一个只有分钟和秒的表

Sorry of my bad english Hello everybody, I have a database project that I have to insert some music information in it. on one of my table, I have a column in wich I have to insert the track time of

注册成功后的PHP显示JS警报

I have a login with a register process function like this: if($result) { echo '<script type="text/javascript"> window.location.href = "index.php"; </script>'; include ("alert.php"); $

使用BuffReDebug写入数据到.txt文件中,如果应用程序被强制关闭,存储到.txt文件的任何数据都不保存吗?

This is the code I am using: public static void log(String directory, String name, String input) throws IOException { File path = new File(directory); if (!path.exists()) { path.

ReGEX以匹配两组可选字符串之间的模式

I'm struggling to find a rule which will match a date pattern (and only that pattern) in between two sets of optional strings - birthday/birth/bday/born. Here's an example: I was born on 01/01/2001

如果字段匹配,如何分组PistGREST表的结果?

I have a postgresql table of records Where every every record has a record in that table that matches it on at least one of three possible fields. id | name | email | phone | product -

在TF.DATA DATETET.MAP的映射函数内评估张量?

Is it possible / advisable to evaluate the tensor within the mapping function of tf.data.Dataset.map? I would like to first create a dataset of filenames, then apply shuffle and repeat to them. Then,

三个数的正则表达式

I created a regular expression that would match 2 numbers in any order from a four digit number. I am trying to create a regular expression that can math 3 numbers out of a four digit number in any

如何明确地确保.NET内核中的还原、生成和发布设置是一致的?

I run the following command: "C:\Program Files\dotnet\dotnet.exe" new console I get the following errors: C:\Temp\myapp\myapp\myapp.csproj : warning NU1603: myapp depends on Microsoft.NETCore.App

GEOMG柱状图中的群观测

A simple df: freq = c(1,2,2,3,3,3,4,4,4,4,5,5,5,5) And a simple hisotogram: ggplot(data=as.data.frame(freq), aes(x=freq)) + geom_histogram() How do I "group" all observations, for example, >4 and

如何获得视频的当前时间来设置它在TwiteVIEW中?

i had tried this: Timer timer = new Timer(); timer.scheduleAtFixedRate(new TimerTask() { @Override public void run() { videoview.getCurrentPosition; } },0,1000); but it does not

快速解析JSON的最佳方法

I have basic knowledge on how to parse JSON in Swift 4, however I was wondering if anybody knew what the best way to parse this JSON is? { "status":1, "services":[ { "id":1,

NGNIX不在端口443 Ubuntu监听

I installed Certbot on Google cloud ubuntu server with nginx webserver but nginx does not listen on port 443. When I type this command netstat -lpn |grep :80 I get that tcp listening, but when I

JS从第二个句子开始打字。

I'm using typed.js for a project, i've put my sentences in a div like this: <div id="typed-strings"> <p>Typed.js is a <strong>JavaScript</strong> library.</p>

Delayed Jobs不执行队列

Rails app running on v5.2. using puma server and postgres DB. Delayed Jobs not running Jobs Queues. On DJ service starts got below error message and DJ terminates but rake jobs:work command is running

如何正确打开PNG文件

I am trying to attach a png file. Currently when I sent the email, the attachment is 2x bigger than the file should be and an invalid png file. Here is the code I currently have: Attachments

从HTML元素中删除所有事件

I have unknown html that may be changes each time page load , actually it is being retrieved from an API How can i remove all events from it html : <div id="content"> <h2

如何开始从其源代码中学习黑客应用程序?

I want to download scripts in php like Wordpress Plugins , and try to find vulnerabilities on it , so from where do i start ? because I'm newbie in hacking . and all sites learn us about black box

我需要添加我的DEF GAMES():输入到我的输入循环。但它显示出不同的功能[暂时搁置]

I have my code and i cant seem to get it to work. Im trying to make a program that hosts all of my game like code. i have a Guessing game and age guesser. import Guess_the_numbers import ageguesser

向上/向下移动环境变量的目的?

While editing environment variable, there are move up/down buttons. What are the purposes (effects) of these button to the variables?

在Python中是否有一个等价于fimax的函数?

fminimax is a function in Matlab which solves minimax constraint problems.Is there a function equivalent to fminimax in python?

C枚举作为函数中的参数并在另一个文件中调用函数

I am making an engine in c++. Its nothing special yet and I am a beginner in c++ but I thought it would be a fun project to work on learn the skills I need later when I start working. I am making a

System Verilog转换“定义连接字符串被评估为int定义”

I have a long list defines defining with numerous properties for these registers. I'd like to have a function that takes the string of the register name and concatenates the bigdefine name and

在Python中传递类到类装饰器的问题

I am new to decorators but ideally I wan to use them to simply define a bunch of class functions within class OptionClass, each representing some particular option with a name and description and if

如何使用HTML和CSS创建DIV的下边缘?

I have created a div which is normal as a rectangular shape but I need a code to work such that lower edge of div is slanted and likewise other div's below it(which could have slanted edges again).Any

迭代器()中的空指针HasNeXT()

I'm getting a null pointer exception from code that I copied from my prof's files. I'm thinking the error is due to tab not having any values, but I fail to see why he put it there in the first place.

让詹金斯用参数运行SH脚本

i am new to jenkins and i am running into a problem. I have some Post-Build Action configured that run some .sh scripts after jenkins got my git changes and build everything. I would like to put the

如何将用户ID从视图传递到窗体

I have reviewed many questions/answers for hours and applied many techniques but I couldn't pass the user id to the form init() method, it always gives errors like "init() got an unexpected keyword

按Ctrl C停止WebAgg服务器

I'm running my code remotely using ssh -X command, but the prompt tells me to Press Ctrl+C to stop WebAgg server anytime the code gets to a plot command, and so my plot doesn't show at all. Is there a

DateFormatter返回错误日期格式[复制]

I have the below code, and am trying to return the date as 14:40:00 + 0000, however when I print this to the console, I still get the date as 2000-01-01 14:40:00 +0000 let ptStartTimeString = "2000-

Xamarin的意象派

I need to load several images from a database which of course takes some time. In .NET, I would load them only once, then save them all together as an "ImageList". Unfortunately, when I type "

本地反应:只渲染一次选项卡视图

i have been using this plugin react-native-tab-view and for my case i have 5 routes but all use the same component so its rendered five times the component and also have an api call that i have inside

在Python中安装模块的开发版本

I am trying to install the development version of owlready2; I take the following step; Extracted the development version downloaded from https://bitbucket.org/jibalamy/owlready2/downloads/

Android:在ASICONC任务中等待BaseAdvor(IMAGE适配器)完成他的异步任务

I have an activity (Picto.java) where I need to call to an async task to get different data from an API REST JSON. In that async task, on the onPostExecute() method, I create a Grid View and then set

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