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Resolving 'Illegal-mix-of-collations' MYSQL error in node

I am connecting to a mysql database from node using mysql2 and have been experiencing intermittent illegal-mix-of-collations errors - see this question. The col

Why do member functions that overload the + operator typically have 2 arguments when 1 produces the same result? [duplicate]

I've noticed that when people overload the + operator they often use two arguments when I've been able to simply pass in 1 and get the same re

How to convert a array of string to array of float using

I have a array as shown below, in that I am having a variable called f, I need to assign the some value for this variable f say 2 and convert this into a floati

Data fails to update in Redis on Azure

In order to be able to load the order list pages of our application quickly, we are trying to push orders as soon as they come in to our application to Redis. T

how to add digital signature to hash data in node js use .cer file?

I'm new to digital signatures and how to use them, so I can't complete my task. Sign the hash with the CADES-BES signature. Insert a new element with a Base64

Ways to add Image tag to a container image

I'm working with Azure pipelines to build and push container images. The pipeline is triggered when there is a commit in the branch, so then the pipeline starts

mock queryset in Django unittest

I have sample code and test: def outer(): inner_response = inner(param1) def inner(something): queryset_response = something.object.filter(foo="bar",

Add a hyperlink to Telegram `UserName` ( profile ) or Communicate using Telegram Group/Channel to send messages

I would like to use my telegram Group name to communicate with individual users or on other groups. If any other user clicks on this id, it should direct them t

python screengrab problem (on yolov5, pytorch)

im trying to get a screenshot of a window as fast and then inference on yolov5 it works but sometimes it doesnt detect very well compared to using detect.py on

build spring boot (mvnw) with docker can not use cache

Spring Boot Docker Experimental Features Docker 18.06 comes with some “experimental” features, including a way to cache build dependencies. To switc

MongoDb Index Search returns the entire collection when using a string contains operation

Why would MongoDb (4.2.6) return every row from an index (Collation locale: en_US, strength: 1), when searching for a string contained in the document field? E

Image View doesn't match parent's rounded cornered background

<FrameLayout android:id="@+id/flTodayTraining" android:layout_width="match_parent" android:layout

Finding coordinates corresponding to maximum across 2 dimensions in a 3d array

This is closely related to an earlier thread but I am having some trouble reproducing the solution there with a 3d array. My 3d array has one time coordinate an

actix-web: Add data to request in middleware

I am learning actix-web, I parsed jwt in middleware, I want to pass the data in jwt to the controller that parses to handle this request, but I don't know how t

How to properly read and parse data from Firebase in Nim?

I have a database in Firebase which currently I can access through CURL like this curl "https://mydb.firebaseio.com/my_data.json?auth=XKJYED78634jsvdffwu7riugwe

How to get mongo documents created in the last 24 hours using mongoose?

I have this mongoose schema const PictureSchema = mongoose.Schema({ user: { type: mongoose.Schema.Types.ObjectId, ref: 'User', requi

Why did eclipse build me 2 identical source folders?

Yesterday I was working on my project, and suddenly eclipse built me 2 identical source folder.. i dont know what happend. but i hope you cant help me to delete

how can it solve correct converting to map from vo object in spring?

parameter VO in spring public class Person { private String name; private int age; private String job; public void setName(String name){ thi

Keras Early Stop and Monitor

How can I activate keras.EarlyStopping only when the monitored value is greater than a threshold. For example, how can I trigger the earlystop = EarlyStopping(m

material-ui dialog causes react-hook-form to change isValid value causing RTL act errors

I am trying to test a dialog with react testing library. This dialog contains a form I render with react hook form. This form has a single field with some valid

Change CRLF to LF of all the files in repo

My repo has lots of files with CRLF. I want them to be changed to LF. I tried to change in my working copy and commit them but the changes are ignored by git. T

Writing mid/mif files in R

I need to write vector files in mif/mid format in R. If I use: st_write(st_as_sf(vector_name), dsn = "Vector_Name", driver = "MapInfo File") it writes files in

Angular canActivate guard - conditional based on a selector

I have a CanActivate guard service that has been working fine, until a new requirement came along. The original code was something like this: canActivate( r

Can I find out the color scheme in the browser

since it is possible to find out if the PC is in darkmode or not I would like to know if it is possible to find out which colorschemer the User has taken e.g. y

How do you make a foreach create multiple variables?

I'm trying to make a script that will check a bitlocker encryption percentage and set it as a variable but for each drive. For example. I run my script that wil

Install Django on Gandi instance

I am trying to install an Django app on Gandi. For now, what I have is un file name wsgi.py: import sys import os import os.path sys.path.insert(0, os.path.abs

Data not updated in TableView after searchBarSearchButtonClicked

I have the following code to search a database for recipes then return that data to my View Controller: var discoveredRecipe: RecipeDiscovered? = nil func sear

Error: connect ECONNREFUSED 127.0.0.1:80 if an axios fetch gets initialized outside of a react component react-testing-library/msw

I'm getting the ECONNREFUSED error and it looks like my msw server isn't catching my get request when I start a get outside of a React component (which shaves s

How to implement permalinks in a serverless Vue SPA

I made this little app which is a simple Vue serverless SPA. I wish to pass an array of strings and a an array of numbers through the URL so that I can share "s

React Admin - Edit and Show doesn't work in my List

I'm trying to create the edit and view option in my list, but it doesn't work using edit. Here is a screenshot of what the result looks like: My list - result i