Archives for Software Dev - Page 20
Permalinks redirect from home page
This caused me a lot of grief…every product page was redirecting to the home ; I tried tweaking the .htaccess file and tweaking the format of the permalinks. All to…
Browser Reload without retrieving cached pages
It is a pain to clear out the cache everytime while testing some simple client side change in your web app. CTRL F5 reloads the page afresh, without checking the…
Installing Kali Linux (or any Linux Distro) on Oracle VirtualBox
Download the kali .iso file (or whatever distro you are trying to install on VBox) Oracle VBox - Simply create a new Linux VM with debian 64 bit (When you…
Large Database Migration to AWS (or any public cloud platform)
Oracle Option A – SFTP Step 1: Export the database DDL using whatever favorite tool with no data. Step2: Export the data of any table with < 100 million rows…
Painful Fiat Currency
When the crypto markets took a nose-dive, I felt it was a good time to put some cash in. As I learnt, traditional banks are still slow as molasses…I started…
Generate a BTC address from a passphrase
Here’s something fun to try. Pick a simple passphrase – sausage$ echo -n 'sausage' | sha256sum 30caae2fcb7c34ecadfddc45e0a27e9103bd7cfc87730d7818cc096b1266a683 - Load up bitaddress and paste that private key into the 'wallet details'…
Writing your own ERC20 token
Server Side DAPP Backend – Requires RPC Server. Remember DAPP backend runs on ALL the nodes (blockchain)! DAPP Frontent – Requires a web server (for now) and a special browser…
Running node.js apps from within VS 2017
Make sure you are running VS 2017 or VS 2015 as Administrator. From the file – Right click and open a command prompt in the containing folder. You should be…
Windows 10 apps, calculator app etc. stop working
My calculator app and other desktop apps mysteriously stopped working (no window would launch when these apps were launched). This simple step fixed it (note that I got some errors…
Project Manager Interviews
A/B Testing -Existing production deployment; how do you plan an upgrade deployment without downtime? SSO Testing with AD federation – ? P Business Continuity (GAP analysis) Task Estimation – What…