Recently, one of the readers, Derrick, asked such questions in the comments: I have done client/server stuff before but am new to WebSockets, hopefully, I can ask some questions –1)…
Category: Tips
I want to share with you one of the useful oneliners I’m using to find recently updated files on our Linux machines. Let’s start simple: What do we have here?…
Have you tried to restore the development database when suddenly such an error occurred? In the MS SQL Server with a connection to ColdFusion, this is a common problem. ColdFusion…
We are using SOLR to search pages and documents on some of our client’s websites. SOLR contains the module that is crawling sites and places the website’s contents in the…
In my case, text processing is mostly reviewing logs and looking for things that are stored in them. Sometimes dig through the Git repository or trying to find a setting…
What do I calculate the hash of multiple columns for? I’m working with API that is limiting the number of calls per hour. I don’t want to send the same…
Are you familiar with Common Table Expressions (CTE)? Common Table Expressions are widely used to simplify queries, make them more readable and maintainable. For instance, when I want to check…
My old laptop has Ubuntu 20.04 installed. It is upgraded from the previous version, and I think it requires reinstallation since I constantly change something. New tools, new programs installed…
Some of our servers in AWS infrastructure run Windows. Some of the clients connect to these servers using Remote Desktop (RDP). In most cases, there is a particular task to…
As the continuation of my previous posts on Preview image before uploading and Sending upload image contents to the server before form submission, I want to add one more feature.…