Issue We have an android tablet. We use a third party app to submit electric form. After submitting, a pdf file is generated at a location. We develop our own app to…
Category: Problem Solving
Essential steps in problem solving
I’ve recently solved many problems. If we look back what we did everyday we would find that we are all solving problems. No matter what is you job, you’re solving problems. Because…
Android: Solve issue of Background Execution Limits
Android has new updates recently. This is the background execution limit. We can check it out here. So the android tablet will put these services to sleep whenever we press the power…
Android and Lambda Network communication issue
I was struggling on the legacy system. In order to give a better understanding of this issue, let’s look at below diagram. The crew on ship uses the tablet to send data…
Solving problems by modeling objects
When we look at the reality or a situation in real world, what do we see? Now I’m sitting at a coffeeshop in Vietnam and look around. I’m seeing people who are…
SQL Problem Solving
1. Searching the products which have duplicated names. 2. Searching the product which has the longest name (number of characters in the name). 3. Query the list of CITY names starting with vowels (i.e., a, e, i, o,…
“Balance” Coding Challenge
Requirement: Check if the input string has balanced chars. More details please have a look at the “Result” section below. This a an interview challenge in “XYZ” company. 1. Solution. I apply…
Problem solving approach
Problem solving is the essential skill. So what is the good way to improve this skill? So many developers with good problem solving skill tell us that we need to train this…