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performance - Using $all operator when using Mongodb

I need to design a mongo collection in this structure: { _id: "601af6f8ab9f370c2f7c0c38", users: [1111, ... .com/questions/66060942/using-all-operator-when-using-mongodb...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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243 views

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c++ - Abstract class accessing its child class functions

Is it possible to access the child's function members from a pointer of an abstract class as the ... com/questions/66060925/abstract-class-accessing-its-child-class-functions...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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796 views

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post - XML request in Postman

I need to test t-mobile api- sms service. So in documentation here is example request if i want to send ... from:https://stackoverflow.com/questions/66060865/xml-request-in-postman...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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118 views

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android - Dart Function returns null

I have a function which calls request to create a new Student in server createStudents(String studentName) ... ://stackoverflow.com/questions/66060843/dart-function-returns-null...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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333 views

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How do I get ping time in Powershell when using Test-Connection?

I am new to PS scripting. I am in need of help with my code. purpose: Ping to get 4 times response in ... 66060808/how-do-i-get-ping-time-in-powershell-when-using-test-connection...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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90 views

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python - Concurrent delete and put in aws s3 bucket

I have a step function which runs daily, in s3 bucket old objects are deleted and new objects are written. It ... .com/questions/66060713/concurrent-delete-and-put-in-aws-s3-bucket...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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188 views

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ruby on rails - In group_by, if different array array havingsame 'nil' element then it considering only one, but i want all of them

status_json = [ { "enquiries_ids"=>[65219, 65210, 65194], "ncds"=>[nil, nil, "2020-05-31"], " ... -group-by-if-different-array-array-havingsame-nil-element-then-it-consideri...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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249 views

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c# - Why am I unable to change panel order in visual studio document outline?

I'm new to C# and I'm currently trying to make a small program. The coding is going great, but I'm stuck ... why-am-i-unable-to-change-panel-order-in-visual-studio-document-outline...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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274 views

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node.js - How to pass a string in NodeJS Sequelize to SQL query without quotes?

Im passing a variables to a sql query from the nodejs sequelize. The code something like this: const query= ' ... pass-a-string-in-nodejs-sequelize-to-sql-query-without-quotes...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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165 views

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reactjs - How to access the data within object fetch from firestore

How can i get access to the data from the object that i fetch from firebase forestore. I have code in which ... /66060439/how-to-access-the-data-within-object-fetch-from-firestore...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to handle redirection on error if it requires some data in nodejs?

Let's say I have a controller where I do redirection based on a service's response. // controller class a { ... to-handle-redirection-on-error-if-it-requires-some-data-in-nodejs...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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126 views

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c++ - How many ways are there to evaluate expression to true?

given a string that includes the characters ['T','F', '|', '&', '^'], such that between every two ... com/questions/66060386/how-many-ways-are-there-to-evaluate-expression-to-true...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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190 views

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python - Using `and` instead of `,` when starting multiple context managers in `with` statement

When writing unit tests, I was often using following pattern: with self.subTest("Invalid input") and self. ... -instead-of-when-starting-multiple-context-managers-in-with-sta...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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860 views

1 answer

group by - SQL to get 3 adjacent actions without duplicate from the flags

I have a question that a little bit similar with question#66044663 but more complicated. Here's my dummy data. I ... sql-to-get-3-adjacent-actions-without-duplicate-from-the-flags...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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157 views

1 answer

node.js - Trying to create a ECDH keypair in Java

I am needing to migrate some simple KeyPair creation from Javascript to Java. Using the NodeJS crypto package, this ... /questions/66060346/trying-to-create-a-ecdh-keypair-in-java...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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113 views

1 answer

How to find position in two arrays in Java without java.util.Arrays

I have two arrays: names[10] and points[10] names contains the players names, points their points I want to write ... -find-position-in-two-arrays-in-java-without-java-util-arrays...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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136 views

1 answer

java - Use Structural design pattern to choose been dynamically

I have a service that gets an URL from the user input, extracts the body content of this URL, apply ... /questions/66060249/use-structural-design-pattern-to-choose-been-dynamically...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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122 views

1 answer

java - how to stop or close iOS MDM connection?

I developing Mobile Device Management(MDM) for company app. Although it has been somewhat successful in implementing the ... /66060218/how-to-stop-or-close-ios-mdm-connection...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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141 views

1 answer

python - Writing text in a circular path

I am trying to write a string of text in a circular path using GTK/Cairo, something like in this image ( ... ://stackoverflow.com/questions/66061611/writing-text-in-a-circular-path...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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559 views

1 answer

node.js - Inaccessible host : This service may not be available in the `ap-south-1' region

I am trying to access s3 from lambda function. S3 bucket and Lambda are in the same region. But I am getting same ... -this-service-may-not-be-available-in-the-ap-south-1-region...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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228 views

1 answer

c++ - How to implement a hierarchical structure in a Qt model using MV?

I recently started learning Qt and am studying models. I have the following hierarchical model. struct group{ QList< ... -implement-a-hierarchical-structure-in-a-qt-model-using-mv...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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138 views

1 answer

php - Get HTML tag containing string

I have a string let's say "John doe", I'm trying to figure out what HTML tag that contains that ... :https://stackoverflow.com/questions/66061310/get-html-tag-containing-string...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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180 views

1 answer

windows - open xampp from another os

I have windows 10 and ubuntu in my pc and I work on xampp from windows Is there any way when I work ... from:https://stackoverflow.com/questions/66061188/open-xampp-from-another-os...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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115 views

1 answer

sql - Query Filter: IIf with return >= case

CIAO! I need to create a Query filtered in this way: IIf([Forms]![Discipline_Bah]![F]=">=1",>=1, ... :https://stackoverflow.com/questions/66061179/query-filter-iif-with-return-case...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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141 views

1 answer

android - How to download a picture from a URL and make it bitmap in kotlin?

var bitmap1: Bitmap? = null var url = "https://i.ibb.co/F3k0101/hero-man.png" How to put a picture from Url ... -to-download-a-picture-from-a-url-and-make-it-bitmap-in-kotlin...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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219 views

1 answer

Spring Boot Testing & Access Control: An Authentication object was not found in the SecurityContext

I want to test my Spring boot application with access control: users don't have to access to resources of others. ... ; private final String username2 = "Riccardo 2"; private final...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

239 views

1 answer

how to render data fecthed from firebase database in react-native functional components

I'm getting data from firebase databse in console that look like this. [{ "isDonor": true, "name": " ... -render-data-fecthed-from-firebase-database-in-react-native-functional-com...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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304 views

1 answer

Trigger scanning on a Zebra TC25 with an Android Delphi application

I'm developing an Android application with Embarcadero RAD Studio 10.2 to deploy on a Zebra TC25. I'm trying ... trigger-scanning-on-a-zebra-tc25-with-an-android-delphi-application...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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