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How to Retrieve the Camera Information (Meta Data) from JPEG Images using PHP?

April 20, 2021 php No Comments
Pictures/Images taken by Modern cameras (SLR or Smart Phones) have stored some additional data (meta information) in the JPEG such as camera model, make, exposure time, ISO etc. We …
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Ways to Prevent an Account Takeover Fraud

April 20, 2021 security No Comments
It happens to one in five adults. That’s 20% of people. With a number this significant, you’ve got pay attention. Account takeover (ATO) fraud is a devious and disastrous …
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Teaching Kids Programming – Combination Sum Up to Target (Unique Numbers) by Dynamic Programming Algorithms

April 19, 2021 algorithms, dynamic programming, Dynamic Programming, Knapsack Problems, math, python, teaching kids programming, youtube video No Comments
Teaching Kids Programming: Videos on Data Structures and Algorithms Given an array of distinct integers nums and a target integer target, return the number of possible combinations that add …
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Java’s Algorithm of Checking if Error is of Type (Error Inheritance Tree)

April 19, 2021 algorithms, java No Comments
Java’s errors are usually handled via Exceptions – where you declare exceptions to throw. Then you throw as much as you can and only catch them when you know …
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Teaching Kids Programming – Sudoku Validator/Algorithm using 27 Hash Sets

April 18, 2021 algorithms, games, python, teaching kids programming, youtube video No Comments
Teaching Kids Programming: Videos on Data Structures and Algorithms Sudoku is a puzzle where you’re given a 9 by 9 grid with digits. The objective is to fill the …
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How to Exit Your Background Process that Takes Too Long to Run using NodeJs?

April 18, 2021 javascript, nodejs No Comments
I have a long running application that I configure it in cronjob to run every 12 minutes. As it listens to the blockchain for transactions, sometimes it takes more …
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