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如何检索前3文件基于内部数组从MongoDB

how to retrieve top three docs based on like array size as show in below response from Mongodb. i want to retrieve top three docs based on top likes using nodejs and Mongdb please help out guys

获得API

I am trying to get/monitor the API's that are called by running processes on windows not by using any instead by using c# or c++. I have searched from multiple sites how to do this but no don't

如何打开并读出与JFileChooser文件(GUI)

the main problem: I have to write a program where I have to create a map on a GUI. In the given task, I have to create a textfile, where the map is written (example at the end). This textfile has to

nativescript ListView的图像渲染

I am new in NativeScript and trying to figure out how to render images with fade/opacity effect. I have ListView with items which includes text and image on the side. When I scroll up and down, images

无法连接到从java应用Postgres

Bit of background information: I'm using Windows 10 Home edition, and used Docker Toolbox to get Postgres installed. I'm fairly new to both Docker and Postgres so I could be missing something. After

无效的属性时,试图在defaultextendedpropertyset.publicstrings创建属性

We are using this code to create an extendedProperty class test { val emailExtendedPropDef = new ExtendedPropertyDefinition(DefaultExtendedPropertySet.PublicStrings,"uniqueId", MapiPropertyType.

codility missinginteger JavaScript解决方案(建议)

This afternoon I try to resolve the demo test of Codility. After thinking a lot how to increase the performance (and searching a little bit), I created this code: function solution(A) { let array

NanoMsg vs2017链接错误

I am trying to build a nanomsg next gen (https://github.com/nanomsg/nng) on a windows box. I am using VS2017. The CMAKE worked like a charm. I am getting link errors. I have verifed that the nng.lib

如何配置Travis CI Coverity扫描一个GitHub库?

I'm having problems configuring Travis CI to submit my public project to Coverity Scan. I'm following the instructions from Coverity but when I reach step 7, there is no Configure Travis CI tab.

iOS蓝牙连接回调不再有效

I had a working BLE app, even archived multiple working versions of it. All of a sudden I am not receiving the callback when a device is connected. I connect to the periperal when the user taps an

无效的快捷的支持的文件不在预期的位置

I'm trying to upload my app, developed using Xamarin (Visual Studio for Mac 7.5.2, XCode 9.2) and i'm using this script https://github.com/bq/ipa-packager to deal with the SwiftSupport issue. However,

关闭webstorm终止远程服务器?

I am debugging my remote server using Webstorm but whenever I am closing my project the remote server is getting terminated as because I am using node interpreter as /usr/bin/node, that's why I

Hadoop作业历史上设置单节点

I'm trying to obtain .jhist files when running MapReduce job locally from IntelliJ. I have a Hadoop distribution on my windows machine. I do get some kind of history folder structure after running the

ajax形式多不插入到数据库

The code works normal but when i click submit it doesn't insert to database and doesn't return any sql error. here is my index code: <?php require_once("functions/functions.php"); $db_handle

你如何重命名在Drupal八content-type机器的名字吗?

I have this content-type that i created titled: "Engineering". 1500 hundred nodes later management wants me to rename it : "Staff". I can easily rename the label but how do i rename the machine name?

在React.js获得ID的div

So I'm trying to retrieve data in a div attribute in react. JSFiddle shows the problems I'm having. this.state.value is set to an empty string after the event fires. I started off using the data-*

我如何使用executemany写的第一个值,在每个关键的数据库

I am new to Python and am trying to use a for loop to add the first and subsequent values, sequentially from a list within a dictionary to a database by using the cursor.executemany() function. here

在一个回路顺序表查找的字符串

I'm very new to Python and I have a question. I have a List that looks like this: List = ["B-Guild","I-Guild","I-Guild","L-Guild","B-Gene","L-Gene","U-Car"] All of the words with B-(I)-L belong

SSRS钻取报表不滤波参数的正确

I have a pair of stored procedures in SQL Server, "Rollup" and "DrillDown". I want to display them using SSRS. "Rollup" will break down the records in four groups (kind, gender, color,

错误验证使用科尔多瓦LinkedIn的iOS SDK:无法完成作业。(lisdkautherror错误1。)

i m implementing an App with ionic and trying to implement an Authentification with LinkedIn iOS SDK. I test my App unsing Xcode and i#m getting this Error: The operation couldn’t be completed. (

C问题类

code I fully understand this script, but one part doesn't make sense. In line 13, a new Instance of Circle is declared called base. Furthermore in line 16 base is assigned to r, wich is passed in by

这一性能更快?SQL命令的优先级或java或其他?

When U make a query JDBC which is faster, order by the query or use a PriorityQueue or any other to sort .

Nginx的客户端发送重复的标题行吗?

I have a gateway where a request comes from a browser that makes a request for a microservice. Microservice makes a request after back to the gateway. All this communication takes place within the

如何中心动画图像和无精打采的文字在网页上,无论设备类型,在HTML和CSS?

I tried putting the animated image into a table, but the animation doesn't work in that case. I can only use HTML and CSS to make this work. I'm wanting to center the green, spinning circle on the

SAS EG流程宏观或存储过程

moderate user of SAS EG. I have a SAS process flow in Enterprise Guide that utilizes a prompt and has many steps and queries to arrive at a final Dataset called Data_Final. Data_Final has now become

怎么能做得到ı甜警报poppup消息内容的价值?

I use JQUERY Datatable js and SweetAlert.js There is a delete icon in datatable when click id get id and showing sweet alert confirm poppup . when click Yes it deleted fine working. I want to get

serviceloader修饰的类加载问题

I have a requirement where I need to add new classes to be loaded on runtime as well as modify the existing class at runtime. With ServiceLoader I am able to reload & run new classes at runtime;

添加面板JDialog [复制]

I am having touble adding JPanel to JDialog, I don't know why it won't add Here is my code: public AssessDialog() { setSize(300, 200); setResizable(false); this.setModalityType(

方法。getfeatures() ol.source.vector审工作在控制台,而不是在脚本

I'm trying to return the attributes of a vector source in OpenLayers (v.4) using the .getFeatures function some indexing, and the .get('key') method, like so: gdeltVectorSource.getFeatures()[15].get('

C # APP类似于PowerPoint的项目到另一个屏幕

I was wondering if theres a way to embed desktop apps in a c# application, for example the user opens the C# app or enter in a link and the window is divided in 3 parts, and in the left you can see

全球/窗口分配或控制台进口失败

I fail to either set global or window property or require/import within browser console, which makes live testing impossible. I avoid running this code in SSR with platform.isNode condition.

shell脚本中使用正则表达式返回目录

Have directories in the form of, /a/b/c/d/e/f/exp_dt=YYYY-MM-DD /A/B/C/D/E/F/G/H/day_id=YYYY-MM-DD /A/B/C/D/F/E/YYYY/MM/DD Should be able to pass dates & time stamp range to variables say,

跟踪模式的变化(MS SQL或MySQL)

ALL, Consider the following scenario: Software is connecting to the DB and performs some operations. Someone else connects to the same DB and issue CREATE TABLE foo(); Software has to know about the

跨服务器查询应用,包括行没有交叉应用表

I have a query SELECT i.IncidentID, i.AccountID, i.IncidentTypeID, i.IncidentStateID, i.CreateDate, i.LastModifyDate, i.LastModifyUser, t.LastModifyDate AS CompletionDate, ( SELECT

麻烦的TLS / SSL使用PIP requirements.txt文件安装

I am trying to install a requirements.txt file that has the following format: build-utils==0.1.1 cffi==1.11.5 fake-rpi==0.6.0 keyboard==0.13.2 numpy==1.14.3 PyAudio==0.2.11 pycparser==2.18 RPi.GPIO==

将一个数组中的整数strigns OT准确elxiir IEX [复制]

I get this when I try in iex. How do I get the actual number not the char representation? ["90", "98", "100"] iex(30)> grades |> Enum.map(&String.to_integer/1) 'Zbd'

什么是

I've looked through a bunch of tutorials that talk about push constants, allude to possible benefits, but never have I actually seen, even in Vulkan docs, what the heck a "push constant" actually is

JavaScript删除以前的错误消息当窗体集创建

So I am creating a formset with Django and I do validation with clean_variable_name in my forms.py. My problem is when I add to create another form, it will give me the empty form with error message

在Android应用程序创建IP蜂窝网络工作的插座,但是当我使用WiFi路由器的IP是当地喜欢192.168.23.2

problem is , In android app i create sockets with ip provided with cellular network it works fine but does not work when i use wifi router as internet connection then its ip is local ip which is

来实现过滤ASP.NET核心Web API的最佳方式是什么?

I have a JobsController that has a GetJobs method as follows: [HttpGet] Task<IActionResult> GetJobs([FromQuery] Pagination urlQuery) return await _dbContext.Jobs .

无法安装的宝石可见

I am spinning a docker container(alpine base) from a docker file inside a Jenkins pipeline. The container installs: ruby-rake and ruby-bundler and I am able to do bundle with no problem My working

上传Excel表导入WordPress phpMyAdmin数据库

Is it possible to upload a user frontend uploaded table and send it to phpmyadmin database and then display it on the website? I've tried searching everywhere but there simply isn't anything I've

在Xcode调试器无法解决的名字枚举值

With an enum typedef'd in a global header file used throughout my project, I am unable to refer to the individual enum values by name while using lldb in Xcode. For example, if I am stopped at a

如何在远程计算机上运行命令多次

Im new to bash scripting, need some help here. I have to login to a remote machine and run a command multiple times. something like this #!/usr/bin/env bash ssh root@linux123 "for i in {1..10}; do

TinyMCE图片上传不工作在iOS(Safari)

I've enabled image upload on TinyMCE using the images_upload_url parameter. This works fine in most browsers, but it does not work on Safari in iOS. tinymce.init({ images_upload_url: '/uploadImage'

两个数组java相交

I wanted to find an intersection between two arraylist that are of byte[] format and return the common indices. I have the code as follows and it works correctly: ArrayList<Integer> intersect =

Tensorflow

I have read distributed tensorflow documentation and this answer. According to this, in data parallelism approach: The algorithm distributes the data between various cores. Each core

MATLAB的Python接口,调用现场封装模块

I have a module in site-packages called MyModule. I can open a Python interpreter and type from MyModule import module just fine. I'm trying to use the MATLAB-Python interface and it says that the

意外的服务器响应:503连接到WSS与CloudFlare和AWS

I am trying to establish a websockets connection to a site that uses both Amazon web services and Cloudflare. Navigating to that page and viewing the traffic with Chrome developer tools shows a ton

如何选择更新列取决于价值观

I have a table with 1 primary key column a, 1 not nullable foreign key column b and 5 nullable foreign key columns c, d, e, f, g. I have to insert the value Y in the row where the value X is the

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