How do I establish clock synchronization in the cloud (AWS, heroku, etc) across many nodes?

I would like to run a large cluster of nodes in the cloud (AWS, Heroku, or maybe self-manged VMS), whose clocks must be synchronized with a predefined tolerance in mind. I'm looking for a...

rails send_file with pdf

Very simple...I just want to display a local pdf file that I have saved in my public directory inline and not as a link to download it. So I guess I should be using send_file like so: <%=...

Forward RTSP stream to remote socket (RTSP Proxy?)

My Apologies for the generality of the question. I have tried many things but nothing seems to work. I have a server? (let's call it Server A) that resides in a local area network where there is...

Can't connect to local MySQL server through socket homebrew

I recently tried installing MySQL with homebrew (brew install mysql) and when I try to run it I get the following error: ERROR 2002 (HY000): Can't connect to local MySQL server through socket...

SQL MERGE to remote (linked) server table

Is it possible to utilize the SQL MERGE function on a linked server's database table? The end goal is to synchronize the remote table with our local SQL server table. I’ve done some research...

How to specify both jaxws and jaxb bindings to achieve @XmlRootElement

I've inherited a project that communicates with a SOAP-based web service. I'm a total noob at this, although have been doing Java for many years and have done a good bit with XML. We have a WSDL...

Laravel auth session cookie not sending

So I have a pretty basic Laravel login script $email = Input::get('email'); $password = Input::get('password'); if(Auth::attempt(array('Email'=>$email, 'password'=>$password), true)){ return...

Python MYSQL-connector backup creation

Current Problemset: Python application including mysql_connector object Remote Server only accessible using mysql (no ssh, rsh, telnet, etc.) Target: Use mysql connector to create a database...

Java home supplied via 'org.gradle.java.home' is invalid. Invalid directory: /usr/local/java/jdk1.8.0_05

I'm using gradle 2.9, intellij and Win10 for spring development. For one particular project I faced this problem. Java home supplied via 'org.gradle.java.home' is invalid. Invalid directory:...

MS SQL Server: int Ids Jumping by 1000

In all of my database tables on my MS SQL Server, the id column jumps by 1000 or more each time I restart the server. Since this is a local application and the server is being hosted from one of...

What can be reason for slow content downloading from webserver?

I'm trying to increase performance of webpage. I'm using ReactJS + webpack, which compiles my jsx files into one file - search.bundle.js. And server is returning this file for 2-3 seconds. File...

Mount local directory into pod in minikube

I am running minikube v0.24.1. In this minikube, I will create a Pod for my nginx application. And also I want to pass data from my local directory. That means I want to mount my local...

docker-compose lock my local folder when installing wordpress

I am trying to install wordpress using docker-compose, everything runs perfectly but I have a lock issue for the current folder on my machine when I mount it using docker-compose.. here is my...

Get Local timezone from specific zone

I currently use Luxon with the following code: this.now = DateTime.local(); However, I'd like to get the current time from another timezone like 'Europe/London'. Is this possible in...

.NET Core high memory usage in Docker (AWS ECS Fargate)

Here is a description of the application. I have a console application that runs Hangfire. There are several jobs that are recurring. One job, in particular, parses several large XML files. I...

GFortran error: ld: library not found for -lSystem when trying to compile

I am getting a strange error when trying to compile a simple fortran-90 file using gfortran. I am working on a macOS mojave system. I have gfortran 8.2.0 installed and I checked to be sure of this...

Typescript: esnext compiler option destroys es6 import from external lib

When setting ether the module or target property of the compiler options to esnext (id like to use import("example") statements), es6 import statements stop working for npm installed librarys...

LDAP on local domain with Mediawiki

Just got my MediaWiki running on a local domain (running as container on Synology nas). Now i want to configure so only domain users can access the Wiki and are automatically logged in. This is...

Debian 10 MariaDB 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)'

Good evening Community, I am in despair because I cannot install MariaDB on Debian10. There are similar Stackoverflow questions but none of them helped to solve my problem. What I've tried: $ sudo...

Exception when trying to containerize and publish StatelessService in Service Fabric

I have a .NET Core Reliable Service that is pretty much a template service, obtained from the Add > New Service Fabric Service > .NET Core Stateless Service. This means that it contains the...

Get local time zone name on Windows (Python 3.9 zoneinfo)

Checking out the zoneinfo module in Python 3.9, I was wondering if it also offers a convenient option to retrieve the local timezone (OS setting) on Windows. On Linux, you can do from datetime...

React native push notification for local notification without firebase not possible

React Native project with push notifications, I use this. I follow this tutorial. I only need local notifications. But if I run this project I get an error default firebaseapp is not initialized...

Can't display images from models when debug=false

I have asked another question about the issue of displaying images from models. and It was because I didn't add media url to urlpatterns. But it turns out that it only works when I set debug=true...

How to show a Local Notification in Flutter, when the app is in Background/Terminated and it receives an FCM notification?

I am trying Implemented push notification service using Firebase Cloud Messaging in my Flutter app. This is how FCM documentation says we should handle notifications, according to the current...

docker-credential-desktop not installed or not available in PATH

I might have a bit of a messed Docker installation on my Mac.. At first I installed Docker desktop but then running it I learned that as I'm on an older Mac I had to install VirtualBox so I did...

VS Code Denied Permission unlink 'usr/local/bin/code'

I can add the "shell command install 'code' command". Testing it works, but if i close out of the VS Code or after a couple of hours of adding the command it doesn't work. Terminal says "zsh:...

Getting AttributeError: module 'collections' has no attribute 'MutableMapping' while using any pip3 command on linux Python 3.10.0

Hey I have installed latest python 3.10 and pip3 on my linux(Zorin os lite 15.3 X64) machine but whenever I try to use any pip3 command I get following error For example I use the command: pip3...

Failed to create virtual environment in PyCharm

I have problem with create virtual environment in PyCharm. Exactly, Python in version 3.10 was add to Path during installation and I use latest version PyCharm community. Did anyone have a similar...

PySpark not initialized

I can run "spark-shell" on my local PC. But I cannot have pyspark running on PC with the error attached with a log. I also googled on many places, but that did not solve my problem. Any people...

Can save stream as local file, but when returning it as HttpResponseMessage - always empty file

I want to write export/download functionality for files from external API. I've created separate Action for it. Using external API I can get stream for that file. When I am saving that stream to...

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