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reactjs - Work with ASP.NET SignalR in React Native

Actually, I wanna to build chat app with ASP.NET and SignalR in React Native. My backend API comes from ASP. ... for ReactJS, not React-native) See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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google maps - Handling Multiple Polygon Object

Am trying to add/remove multiple polygon on the google map. On clicking each polygon, I have to show some ... function . Thanks in advance See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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calling a c++ __stdcall function pointer in c# visual studio application

I have a Visual c++ application with .h and .cpp files. I want to call the function pointers ... unsigned short *serialunsigneshort* version); See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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use macro to convert number format to text in Excel

I'ved created a macro in Excel that I use to convert column number format to Text so the number format ... normal? Thanks for responding. Amy See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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aggregation framework - mongodb aggregate to get length of first nested array/list

I have following example { username : 'Alex', tags: ['C#', 'Java', 'C++'] } To get the length of tags ... the has_a has empty list like [] . See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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ios - New message counter

I'm working on a simple social app (using firebase and jsqmessagesviewcontroller) and trying to make "new ... problem? Thanks in advance. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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python - ResultSet object has no attribute 'get'

Hi I'm currently trying to scrape this https://www.sec.gov/ix?doc=/Archives/edgar/data/1090727/ ... Any help would be appreciated. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Asp.net page request timeout

I am working on asp.net application which had page request timeout, I increased the timeout in HttpRuntime ... not working. Please help See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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node.js - Error when I try run a React App with npm start command

I create a new React Project and I try to start it with the command npm start but I have this error: ... lot of things but nothing works. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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jpa - Foreign key data integrity violation on Oracle X 10g

I have an integration test running against either a MySQL instance or an Oracle instance. The test passes fine ... anything in the issue. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Facebook API: I can't post a message to friend's wall or an other's wall

I don't know why i can use $post=$facebook->api('/me/feed','post','message'); to post a message on my ... to need to post a message on feed. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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php AES256 encryption compatibility in objective-c

I've written a code in php (as a service) to decrypt passwords sent over a protocol. The protocol demands ... and This SO answer for CCCrypt. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Couldn't call Objective-C method from Cocos-2d via JavaScriptObjCBridge

URL : https://github.com/cocos-creator/creator-docs/blob/master/en/advanced-topics/oc-reflection.md Above is the ... Could you please help me ! See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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r - R_Assigning headers to an three dimentional array

I have a three dimensional array, myarray myarray<- array(dim=c(4,6,5)) and a matrix, mymatrix > mymatrix Bias TS ... as well. How can I do it? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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java - Solution for StackOverflowError

want to search with the city from address table. Entity: Hotel @JsonManagedReference @OneToMany(cascade = CascadeType.ALL ... help me. thanks See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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java - HmacSHA256 algorithm in Android API 23

I am trying to generate hash value in my Android app (API 23). I followed this link- https://developer.android. ... ideas I can make this work? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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SQL Server query to get the number of business days between 2 dates, excluding holidays

We are using SQL Server. In our CASE WHEN statement, I need to check if the number of days between the 2 ... end_date ) as diff from MyTable mt See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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html - Bootstrap col-xs and col-sm

my bootstrap col-xs working from 768px is that normal , i know the xs is working fro 480px ? <li class="col ... when the size become 768px !! See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c++ - cpp include .cpp files in main source file causes "duplicate symbol" error

I am stuck at how to separate a project into few source files and header files. My current practice seems to be ... } break; } return v; } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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OpenGL 3D texture "shine through"

For testing purposes I want to display the first slice of a 3D texture. However it seems that the other slices ... the upper portion of it. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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syntax - What is AHK Doing Here? And What did I get Wrong?

I'm trying to make a script that periodically reads the pixels at various coordinates and compares them to a given ... 't find the error here. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to ensure an asynchronous call is executed before returning from a function in Mongoose?

I am new to mongoose and in order to prevent ASYNC OF HELL I came Across an npm package called async. ... findOne of the findSchool function. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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How to put serialize and get serializeContext in Kotlin Android?

I want save and keep my state in fragment because when tap on recyclerView items and back to fragment with ... ("SaveContext", context) } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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android - How to send data from a device to IOT HUB?

I am new to Cloud Technology and I want to send the data from Android Device to IoT Hub using Android ... IOT Hub Connectivity and Data transfer See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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python - Access columns and rows of numpy.ndarray

I currently struggling with extracting certain columns and rows from a matrix stored as a numpy.ndarray. I ... without outputting the others? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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excel - How to copy sheets with certain tab color from one workbook to another?

I have several Workbooks where there are several sheets that have Tab color with RGB code (0,255,0) i.e. completely ... ) Next ws End If End Sub See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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python - How to delete a button that is made by a loop

from tkinter import * class Main: def __init__(self, root): for i in range(0, 9): for k in range(0, 9): ... if it isn't assigned to a variable ? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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android - Google Maps not showing on release apk

Hello when I put the release apk of my google maps app on my phone it works great, but it does not work ... file??? Please help. Thanks. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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