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Update PP status - xnux.eu - 6 years ago - eng
Rbenv provides a powerful tool for installing ruby on whether on your local box or on your server environment. While I have traditionally used RVM for local ruby development, I have found RVM problematic for use in a server context. As long as you are using bash -lc along with things like CRON jobs or System D , rbenv seems to be a great server side tool. My inspiration for this came from the Digital Ocean docs. As always, Digita....
This has bit me I think every single time I make a SystemD launch script using ruby and rbenv (RVM is worse; imho). Perhaps writing it down for once makes the lesson stick. Let's start with our SystemD unit file that doesn't work: [Unit] Description=Twitter To Kafka [Service] SyslogIdentifier=twitter_to_kafka User=ubuntu PIDFile=/home/ubuntu/twitter_to_kafka/twitter_to_kafka.pid WorkingDirectory=/home/ubuntu/twitter_to_kafka ExecStart=....
Introduction Welcome back to a new part in my blog series about my graduation project. As mentioned in the previous parts, the Fourier Transform will be dominant in the implementation of the Coherent De-Dispersion. This part will dive into the relevant theory behind the Fourier Transform. This includes another algorithm that is need to accomplish the implementation of the Fourier Transform: the CORDIC. The Fourier Transform DFT The Four....
I have encountered a problem where I was not able to append a dictionary to a list. In this post, I will explore this issue and show how to bypass that.
On February 7th, 2020 I received an anonymous tip through the “leak inbox” of the Israeli CyberCyber ​​podcast.
This is such a cool idea: Denis Shiryaev used Gigapixel AI’s neural network to upscale a classif video from 1896 into 4k; as Timothy Bee points out , a similar approach could then add color. One of my long-term projects involves making the small part of the internet I use every day available offline. As I lean toward a more nomadic lifestyle, I may not always have ready access to the familiar shows I stream on Netflix, for example, o....
An issue I found with the Visual Studio 2019 C++ Compiler: https://developercommunity.visualstudio.com/content/problem/785567/no-warning-for-unused-variable-when-declared-const.html
My ASH wait chains scripts started returning the ORA-12850 error on Oracle 19c RAC installations: SQL> @ash/dash_wait_chains program2||event2 1=1 sysdate-1 sysdate -- Display ASH Wait Chain Signatures script v0.5 BETA by Tanel Poder ( https://tanelpoder.com ) , REPLACE(SYS_CONNECT_BY_PATH(program2||event2, '->'), '->', ' -> ')||CASE WHEN CONNECT_BY_ISLEAF = 1 AND d.blocking_session IS NOT NULL THEN ... ERROR at line 63: ORA-12850: Could..
My ASH wait chains scripts started returning the ORA-12850 error on Oracle 19c RAC installations: SQL> @ash/dash_wait_chains program2||event2 1=1 sysdate-1 sysdate -- Display ASH Wait Chain Signatures script v0.5 BETA by Tanel Poder ( https://tanelpoder.com ) , REPLACE(SYS_CONNECT_BY_PATH(program2||event2, '->'), '->', ' -> ')||CASE WHEN CONNECT_BY_ISLEAF = 1 AND d.blocking_session IS NOT NULL THEN ... ERROR at line 63: ORA-12850: Could..
I see a lot of discussion about other languages like C++, but I haven't seen a Java board at all. What does this board think of Java?
I am in the position of building a data pipeline that looks like this: Kafka as the core repository using an AWS Managed Kafka Server A data feed from Twitter feeding into Kafka using the ruby-kafka gem from Zendesk Python Machine Learning routines processing the data in Kafka and outputting it to SQS In this blog post I will walk through creating the Kafka server and then show you the initial configuration to get Ruby to talk to it....
I’m a FreeBSD guy. My first computer was a FreeBSD machine that my dad had running in a closet. I learned how to use Emacs as well as the command line on that black-screen white-text no-mouse interface. That’s how real programmers spend their childhood! 😎 😜 I’ve only heard good things about FreeBSD. While not known as particularly desktop-friendly (various Linux distros win here) I’ve heard tales of its rock-solid stability. I wanted to t....
Joining Nrwl 🐳 🦄 - juri.dev - 6 years ago - eng
I’m a FreeBSD guy. My first computer was a FreeBSD machine that my dad had running in a closet. I learned how to use Emacs as well as the command line on that black-screen white-text no-mouse interface. That’s how real programmers spend their childhood! 😎 😜 I’ve only heard good things about FreeBSD. While not known as particularly desktop-friendly (various Linux distros win here) I’ve heard tales of its rock-solid stability. I wanted to t....
License: Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 _International Public License (CC BY-NC-ND _4.0) We all are trying to do things in a better way everyday and improving is something we all strive towards. Let me share what I have learned from my experiences in 2019 for better productivity and personal growth. Hope this becomes useful to you like it is to me. Rules are mutable, so don’t sweat it! The first thing I....
Hi all. I was wondering if it's possible to delete a thread from the archive? It has a bunch of old ...
As running Oracle databases as (partially) managed services in the cloud has become quite popular, I thought to start a little series about troubleshooting Oracle (performance) stuff when not having OS access. This will help with such cloud services, but also in cases where your team just doesn’t have convenient OS access due to some separation of privileges reasons. The first example is my schedlat.sql script that uses X$KSO_SCHED_DELA..
As running Oracle databases as (partially) managed services in the cloud has become quite popular, I thought to start a little series about troubleshooting Oracle (performance) stuff when not having OS access. This will help with such cloud services, but also in cases where your team just doesn’t have convenient OS access due to some separation of privileges reasons. The first example is my schedlat.sql script that uses X$KSO_SCHED_DELA..
This isn’t part of the series on Stack Overflow’s architecture , but is a topic that has bitten us many times. Hopefully, some of this information helps you sort out issues you hit. You’re probably here because of an error like this: Could not load file or assembly ‘System.<…>, Version=4.x.x.x, Culture=neutral, PublicKeyToken=<…>’ or one of its dependencies. The system cannot find the file specified. And you likely saw a build ....
I have discovered a wonderful anti pattern for absolutely demoralizing team members in a remote context and it is drop dead simple: When you are someone's manager, simply don't respond to the things that they send you. The magic of this is as follows: It requires that you do absolutely nothing ! It works whether you are not responding to Email, Slack or another method It entirely demoralizes even experienced, motivated team m....
Take a peek at the best things I read, played, or watched in calendar 2019! Read the whole thing .
This isn’t part of the series on Stack Overflow’s architecture , but is a topic that has bitten us many times. Hopefully, some of this information helps you sort out issues you hit. You’re probably here because of an error like this: Could not load file or assembly ‘System.<…>, Version=4.x.x.x, Culture=neutral, PublicKeyToken=<…>’ or one of its dependencies. The system cannot find the file specified. And you likely saw a build ....
Take a peek at the best things I read, played, or watched in calendar 2019! Read the whole thing .
Installing Helm 2 into a namespace other than kube-system can be a little tricky to get right. Learn how to do it quickly and easily with an example.
How specialists like Louis Nyffenegger and Lachlan Giles turned their expertise into profitable online courses in a booming e-learning market
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