How to handle all error using connect-mongo in expressjs

I am using below code for session management but not able to catch errors like: mongo authentication error. However, I am using error middle ware as well. var express = require(‘express’); var session = require(‘express-session’); var MongoStore = require(‘connect-mongo’)(session); var app = express(); app.use(session({ secret: ‘xxxsephirothxxx’, name: ‘express.sid’, store: new MongoStore({ url: MongoConnection.mongo_db, ttl: parseInt(process.env.SESSION_EXPIRY_TIME_IN_MS)…

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Is there a way to detect if a derived class overrides a given method without reflection

Suppose I have the following code public interface IAsyncTest { Task DoSomethingAsync(); } public interface ISyncTest { void DoSomething(); } public abstract class TestBase : IAsyncTest, ISyncTest { public virtual void DoSomething() { throw new NotImplementedException(); } public virtual Task DoSomethingAsync() { throw new NotImplementedException(); } } public class TestClass : TestBase { public override…

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Problems with using custom point type in Point Cloud Library (PCL)

I came across a problem when trying to register two point clouds using PCL. Instead of using the provided PointT, I used custom point type and followed the tutorial(http://www.pointclouds.org/documentation/tutorials/adding_custom_ptype.php#adding-custom-ptype). However, when I complied the codes in VS2019, it failed. I also tried this post ( PCL Instantiating new Point Types for all Functions). It didn’t…

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Using sparse matrix as input in tensorflow2.0 encountered exception “The last dimension of the inputs to `Dense` should be defined. Found `None`.”

I tried to use tf.keras.Input to load a sparse matrix into my model and found that the input_shapes of the SparseTensor could not be infered automatically by tensorflow 2.0. How should I load the sparse matrix data into a model in tensorflow 2.0? My test code: import scipy as sp import numpy as np import…

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Your requirements could not be resolved to an installable set of packages (phpseclib/bcmath_compat)

I don’t understand this error: Your requirements could not be resolved to an installable set of packages. Problem 1 – don’t install phpseclib/bcmath_compat 1.0.3|don’t install php 7.3.13 – composer.json/composer.lock requires php 7.3.* -> satisfiable by php[7.3.13]. – Installation request for phpseclib/bcmath_compat 1.0.3 -> satisfiable by phpseclib/bcmath_compat[1.0.3]. I’m running PHP 7.3.13. Any ideas?

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