Archives for Software Dev - Page 11
No Property Manager Required – Zillow Rental Manager App (and website)
I actually did not see this coming. The entire process of placing your property for lease (rent) , managing applicants (including background checks - more on that down below) and…
Secrecy versus Privacy in RSA based Schemes
RSA is a scheme that can be used for two purposes. Secrecy - Encrypting in transit data - Data Encryption. This is the basis for all certificate based data encryption…
The framework microsoft.aspnetcore.app version 3.1.0 was not found
If you see this error in VS Code, you are missing the aspnetcore runtime (even though you may have installed the larger .net core runtime). Basically, .net core is not…
Upwork Review – My experience with Upwork – and some tips for US clients
I'll get right to it. It's a great platform - but watch out for these issues Upwork Review - The Messaging App To say that their messaging app is buggy…
SSL and TLS Certificate Basics
What IS a Certificate? (Also read, Web Server Considerations for Hosting SSL Certificates ) It is a mapping of an entity name (organization or individual) to a PUBLIC KEY. How…
Kerberos versus SSL
Kerberos does not require a session. The TGT (Ticket Granting Ticket) system allows for a session less protocol SSL of course, does establish a session before sending any data. …
Pivot table Add to Data Model grayed out
This can occur if you are working with a csv file. Ensure that the file is saved as xlsx - and you should see the Add to data source option…
Physical Database Design and Tuning – Oracle or SQL Server
Troubleshooting Database Performance - 3 Broad Categories Physical Database Design Query Statement Tuning DB Configuration Physical Database Design INDEXING - Look for fragmentation, If frag > 0% , try rebuild…
How software wallets fleece you on exchange fees
Software Wallets like Exodus and Voyager are convenient but VERY Costly . Two types of fees There are two types of fees in Crypto - the network fees and the…
The Physics of Gold and Bitcoin
Gold has a 2% inflation rate. Needs to have these characteristics - Durable and taint proof. And hard to produce. 1000 years from now, there will still be only 21…