Tree data structure in C#

I was looking for a tree or graph data structure in C# but I guess there isn't one provided. An Extensive Examination of Data Structures Using C# 2.0 explains a bit about why. Is there a...

How to implement SOLID principles into an existing project

I apologize for the subjectiveness of this question, but I am a little stuck and I would appreciate some guidance and advice from anyone who's had to deal with this issue before: I have (what's...

How to multiply matrixes using for loops - Python

I have no idea how to even begin doing this It needs to be a for loop to multiply mtrixes for example [[1,2],[3,4]] * [[3,4],[5,6]] [1 , 2] , [3 , 4] [3 , 4] *[5 , 6] Need help much...

Regex to remove HTML attribute from any HTML tag (style="")?

I'm looking for a regex pattern that will look for an attribute within an HTML tag. Specifically, I'd like to find all instances of ... style="" ... and remove it from the HTML tag that it is...

Right way to escape backslash [ \ ] in PHP regex?

Just out of curiosity, I'm trying to figure out which exactly is the right way to escape a backslash for use in a PHP regular expression pattern like so: TEST 01: (3 backslashes) $pattern =...

Index was outside the bounds of the array in @Scripts.Render

For each controller have a folder (with the same name controler), and for each action a script file. For each file is creating a bundle following the pattern:...

LEFT JOIN ON COALESCE(a, b, c) - very strange behavior

I have encountered very strange behavior of my query and I wasted a lot of time to understand what causes it, in vane. So I am asking for your help. SELECT count(*) FROM main_table LEFT JOIN...

Find out if I'm on the unity thread

How can I check if the thread I'm on is the Unity thread? I tried capturing the threadId at constructor time, but somewhere along the lifetime of the program, the threadId moves. In my project,...

Howto run soap web service on jetty?

i am struggeling to have a soap webservice run on my embedded jetty server. I followed this german tutorial (which ofc didnt...

Skip first nn characters, take the rest with RegEx

In in Notepad++/pcre/PHP \K resets starting point of match. That ability is not found in the .Net flavor of regex. How do I go about skipping a specified number of characters? I created a pattern...

Access is denied (user is anonymous); redirecting to authentication entry point in Spring

I am new to Spring Security. I am trying to add LDAP authentication to a Spring Web app. I set up a test LDAP server and trying to authenticate the web app using it. But somehow, when I enter...

spring-data-mongodb equivalent of @JsonUnwrapped in Jackson

I would like to use a composition pattern to reuse common portions of classes as I can do in Jackson with @JsonUnwrapped, without adding an extra level of structure in the mongodb document, for...

Collection Where LIKE Laravel 5.4

I know collection doesn't support where LIKE but how can I achieve this. My data is: collect($products)->where('name', 'LIKE', '%'. $productName . '%'); Laravel doesn't support where like in...

Separating the Domain Model and the Data Model

My question is similar to this one: https://stackoverflow.com/questions/20944865/repository-pattern-and-mapping-between-domain-models-and-entity-framework. I have done a lot of reading on here...

Idiomatic Replacement for map/reduce/filter/etc

I have a list of things in a go program. I want to loop over them, and perform some operation on/with a subset of those things. Is there more elegant/idiomatic code for doing this than the...

How to print out Structured Stream in Console format

I am learning Structured Streaming with Databricks and I'm struggling with the DataStreamWriter console mode. My program: Simulates the streaming arrival of files to the folder "monitoring_dir"...

how to add regex search values to variable list in Ansible?

My requirement is to read tnsnames.ora file and get its' schema names to a variable list. Also need them add to the template. Im able to match required schema names from tnsnames.ora file...

httpwebrequest in dotnet core returns 404 error

I am new with dotnet-core. I am doing some scraping requesting code. My previous practice with AliExpress is working fine for me with same pattern Now, I am stuck with Walmart requests When I am...

Extracting a person's age from unstructured text in Python

I have a dataset of administrative filings that include short biographies. I am trying to extract people's ages by using python and some pattern matching. Some example of sentences are: "Mr Bond,...

Dynamic Routes Queries Using GO and gorilla mux

i'm setting up dynamic routes using gorilla mux, here's the routes.go code type Route struct { Name string Method string Pattern string Queries []string ...

React useCallback with Parameter

Using React's useCallback hook is essentially just a wrapper around useMemo specialized for functions to avoid constantly creating new function instances within components' props. My question...

Application logging with log4j 1 or log4j 2 and Tomcat 9 not working

I am migrating an existing web application from Tomcat 8.5 to Tomcat 9. The webapp uses Log4j 1 with Commons-Logging. While everything used to work fine in Tomcat 8.5 I don't get any log output in...

RepositoryNotFoundError: No repository for "User" was found. Looks like this entity is not registered in current "default" connection? Typeorm

I am having a fun issue trying to get TypeOrm to work in my nestjs project. I have the below code to configure my project, yes everything loads, and yes I am able to connect to my database. import...

Flutter work-manager returns "Worker result FAILURE for Work [ id=XXXXXxXXXXxXXXX tags={ be.tramckrijte.workmanager.BackgroundWorker } ]"

I am building an application which notifies user about the prayer time. I am using adhan package to calculate the time and save it in shared preference. Since the prayer time changes every 24...

Varnish not keeping cache

My varnish cache will only keep items cached for a few minutes. I have changed varnish configurations to keep items cached for a week. Here is my default.vcl: # VCL version 5.0 is not supported so...

How can I wait for an async function from synchronous function in Swift 5.5?

When conforming to protocols or overriding superclass methods, you may not be able to change a method to be async, but you may still want to call some async code. For example, as I am rewriting a...

How to create TF Dataset from GeoTiff files using custom map() function

I'm trying to create a TensorFlow Dataset from multichannel tiff files. The tfio.experimental.image.decode_tiff(image) from TensorFlow I/O works for 4 channels only so I tried to read it first...

ESlint - Error: Must use import to load ES Module

I am currently setting up a boilerplate with React, Typescript, styled components, webpack etc. and I am getting an error when trying to run eslint: Error: Must use import to load ES Module Here...

Proper way to use Azure Keyvault with Dependency Injection

Information I am building an Azure hosted protected API. I am targeting .Net 5 and using the MVC pattern. Inside this API, I have two DAL (data access layer) classes, which are added to the...

Sorting multiple lists together in place

I have lists a,b,c,... of equal length. I'd like to sort all of them the order obtained by sorting a, i.e., I could do the decorate-sort-undecorate pattern a, b, c = map(list, zip(*sorted(zip(a,...

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