Yanniel Profile
Yanniel
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VOTEIDERA’s intention for Embarcadero’s development tools
Yanniel
I just received the email below from IDERA\Embarcadero. Overall it means they plan on moving forward with Delphi and the other development tools in their portfolio.I wanted to share the news in case you haven’t… … Read more
10 years ago in Delphi, Delphi Programming, Embarcadero, IDERA
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The source code history of Free Pascal and Lazarus visualized with Gource
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… … Read more
11 years ago in Delphi, Delphi Programming, FFmpeg, Free Pascal, Gource, Lazarus, pascal, Source Code
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HMAC functions in Delphi (HMAC_SHA256, HMAC_SHA1)
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… … Read more
11 years ago in Algorithm, Base64, Delphi, Delphi Programming, HMAC, MD5, Object Pascal Programming, Object-Oriented Programming, SHA1, SHA256
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Enabling TLang to handle more than 17 translations: a workaround for a regression bug in Delphi XE3
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… … Read more
12 years ago in Delphi, Delphi Programming, FireMonkey
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Refactoring to patterns. Yet another TDD example coded in Delphi
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… … Read more
13 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
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Test Driven Development in Delphi: The Basics
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… … Read more
13 years ago in Delphi, Delphi Programming, DUnit, Object Pascal Programming, TDD, Test Driven Development, Unit Testing
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Deep copying (cloning) objects in Delphi
Yanniel
When I first took a look at the prototype design pattern in GoF(years ago), I realized that there was a big obstacle (challenge) to implement it in Delphi: How to write a routine to really… … Read more
13 years ago in Delphi, Delphi Programming, Object Pascal Programming, Object-Oriented Programming
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String comparison in Delphi
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… … Read more
13 years ago in Delphi, Delphi Programming, Object Pascal Programming, Object-Oriented Programming, Pascal Programming
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Testing the World Away: Recovery mission
Yanniel
I was recently reviewing the DUnit website and I noticed there is a broken link to an article titled “Testing The World Away”. It was written by Will Watts for QBS Software. November, 2000. I… … Read more
13 years ago in Delphi, Delphi Programming, DUnit, Object Pascal Programming, Unit Testing
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Delphi Implementation for the OpenSubtitles API
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… … Read more
13 years ago in API, Delphi, Delphi Programming, Object Pascal Programming, Pascal Programming, programming, XML
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Pascal Server Pages – Pascal Script
Yanniel
Without getting too technical, I would define a Pascal Server Page (PSP) as a dynamic web page containing embedded Pascal Script (PS) code. When a web request is made, the PS code needs to be… … Read more
14 years ago in Delphi, Delphi Programming, Object Pascal Programming, pascal, Pascal Programming, Pascal Script
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Salary Guide for Delphi developers: Let’s make it
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… … Read more
14 years ago in Delphi, Delphi Programming, Object Pascal Programming
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Generating Fibonacci numbers in Delphi: Recursive and iterative algorithms
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… … Read more
14 years ago in Delphi, Delphi Programming, iterative, pascal, Pascal Programming, programming, recursion, recursive
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Internationalizing your Delphi application: An ABC example
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):… … Read more
14 years ago in Delphi, Delphi Programming, Object Pascal Programming, programming
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