Yanniel Profile

Yanniel

Yanniel

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The source code history of Free Pascal and Lazarus visualized with Gource

Yanniel Yanniel Gource is a software version control visualization tool. I thought it would be fun to visualize Delphi’s source code with Gource, but that is not possible for obvious reasons. So, I decided to try-out Delphi’s… – Details… 8 years ago in Delphi, Delphi Programming, FFmpeg, Free Pascal, Gource, Lazarus, pascal, Source Code 0

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HMAC functions in Delphi (HMAC_SHA256, HMAC_SHA1)

Yanniel Yanniel I came across HMAC (Hash-based message authentication code) functions when developing a RESTful client application in Delphi. The RESTful Web Service API required me to send HMAC_SHA256 signatures (Base64 encoded) with each HTTP request.HMAC functions… – Details… 8 years ago in Algorithm, Base64, Delphi, Delphi Programming, HMAC, MD5, Object Pascal Programming, Object-Oriented Programming, SHA1, SHA256 0

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Enabling TLang to handle more than 17 translations: a workaround for a regression bug in Delphi XE3

Yanniel Yanniel I recently had to localize a FireMonkey application and for that I aimed to use the TLang component. With TLang you can define a collection of native strings to be localized and the corresponding translations… – Details… 9 years ago in Delphi, Delphi Programming, FireMonkey 0

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Refactoring to patterns. Yet another TDD example coded in Delphi

Yanniel Yanniel Long overdue here is my second article about Test Driven Development (TDD) in Delphi. This is a continuation of TDD in Delphi: The Basics, another post that I wrote a few months earlier. I would like… – Details… 9 years ago in Behavioral Patterns, Delphi, Delphi Programming, Design Patterns, DUnit, Object Pascal Programming, Object-Oriented Programming, Pascal Programming, TDD, Template Method, Test Driven Development 0

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Test Driven Development in Delphi: The Basics

Yanniel Yanniel I intend to write a Test Driven Development (TDD) series, targeted for Delphi developers. I will use DUnit, the unit testing framework for Delphi.Note folks that the purpose of this is NOT to discuss the… – Details… 10 years ago in Delphi, Delphi Programming, DUnit, Object Pascal Programming, TDD, Test Driven Development, Unit Testing 0

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String comparison in Delphi

Yanniel Yanniel Have you ever wondered how utilities like Beyond Compare or DIFF are comparing files? They do it (I guess) by solving the longest common subsequence (LCS) problem.After reading the Wikipedia article linked above, I obtained… – Details… 10 years ago in Delphi, Delphi Programming, Object Pascal Programming, Object-Oriented Programming, Pascal Programming 0

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Delphi Implementation for the OpenSubtitles API

Yanniel Yanniel OpenSubtitles.org allows searching and hosting subtitles in several formats (SRT, SUB, etc.) and pretty much every language. It currently has a vast database of subtitles (expanding every day). OpenSubtitles.org also exposes a XML-RPC based API… – Details… 10 years ago in API, Delphi, Delphi Programming, Object Pascal Programming, Pascal Programming, programming, XML 0

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Salary Guide for Delphi developers: Let’s make it

Yanniel Yanniel If you work as an IT professional in North America, you should probably find very useful the 2012 Technology Salary Guide published by Robert Half Technology.This guide exposes the compensation trends (salary trends) for pretty… – Details… 10 years ago in Delphi, Delphi Programming, Object Pascal Programming 0

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Generating Fibonacci numbers in Delphi: Recursive and iterative algorithms

Yanniel Yanniel In this post, I want to implement a function that returns the Nth Fibonacci number. Initially, I will provide a recursive implementation that derives directly from the Fibonacci sequence definition. Afterwards, I will recode the… – Details… 10 years ago in Delphi, Delphi Programming, iterative, pascal, Pascal Programming, programming, recursion, recursive 0

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Internationalizing your Delphi application: An ABC example

Yanniel Yanniel If you want to make your Delphi application general enough to address multiple locales, then you need to internationalize it. There are three common aspects that I want to emphasize (no necessarily in that order):… – Details… 10 years ago in Delphi, Delphi Programming, Object Pascal Programming, programming 0