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Javascript motion tracking
It is very often that I have to do video motion tracking for interactive video campaign in my daily work. If I’m used used to do that in Flash, I made a quick experiment to do the same in javascript. Thanks to Olof Storm who made me a perfect corner pin motion tracking in After Effects, and I’ve been using some code from Steven Wittens to draw an image in perspective. Click here to see the motion tracking demo (give it a bit of time to fully load). What I’m doing in this dem...
JavaScript,Motion tracking,Flash 2012-03-20 07:43:46
Check if query string variable exists ASP.NET C#/VB
One of the problems I encountered when I started programming ASP.NET websites was to do with the Request.QueryString function. The first projects I was worked on were built with VB.NET and I used the following code to check the existence of a query string variable:VB.NET Codeview plaincopy to clipboardprint?If Request.QueryString("[VARIABLE]") <> Nothing Then 'CODE HERE End If This code check...
ASP.NET,Query string,Request,Empty,NULL,Check 2011-11-05 15:29:50
I've got an idea for an app
I’ve been an iPhone developer for over three years now. The first app I built was CookieCombo. We sold enough copies to go bowling twice, but still it was completely worth it. We tweeted about it, and got some awesome gigs out of that. Everybody was in need of iPhone developers, and there was a huge shortage. Good times.As more and more people got to know that I’m an iPhone developer, I got to hear the following phrase more often: “Hey, you know, I got a great idea for an app...
Idea,App,Induction,Creativity,Innovation 2011-09-08 10:37:09
Obviously Correct
What do automatic memory management, static types and purity have in common? They are methods which take advantage of the fact that we can make programs obviously correct (for some partial definition of correctness) upon visual inspection. Code using automatic memory management is obviously correct for a class of memory bugs. Code using static types is obviously correct for a class of type bugs. Code using purity (no mutable references or side effects) isobviously c...
Memory management,Code,Static,Purity 2011-11-07 08:13:05
Share on Twitter link
Ever wanted to give your readers, or your client’s readers a chance to share the post quickly on Twitter?The code is straight forward:<a href=â€http://twitter.com/home?status=Currently reading http://www.test.com/post-url†title=â€Click to share this post on Twitterâ€>Share on Twitter</a>If you’re using WordPress and want to automate this, simply use the following to insert the link to the current post in the loop into your link:<a href=â€ht...
Twitter,Share button,Customize,Custom 2011-08-24 10:55:51
Why would a developer invest time in your startup’s platform?
The notion of developing a platform is highly addictive for technology founders. It ticks every “this is awesome†box and its drawbacks do not become evident until after you’ve already overcommitted.When you’re sunk deep in your idea, you start seeing the infinite number of directions it might go. It could be used for creativity or education or advertising or television or personal productivity or anything.Possibilities are exciting.You soon realise you can’...
Platform,Invest,Attraction,Sell point,Developer 2011-10-31 10:49:37
Rails and Web Development - Take the First Step
Getting started with web development isn’t easy. Looking back to when I started, the first few weeks were the toughest to stick with it. For someone who is new to text editors and the terminal – the installation process can be really overwhelming. I recently went through the process of helping some of my friends get set up with Ruby on Rails and after doing it a few times, I realized it would be helpful to write a post that others looking to get started could refer to.The following...
Web design,Rail,Ruby,Ruby on Rails 2011-10-17 11:16:51
Microsoft Edge extension manifest v2 migration to v3
In June 2023, Microsoft Edge would not allow Edge extensions with manifest version before v3 to be listed on Microsoft web stores as v3 extensions add more security privacy related restrictions on some of the functions. Hence all extensions with manifest v2 must migrate to v3. In this post, we would show how we did the migration for one of our extensions and the changes made. There is a checklist provided by Microsoft Edge team on what needs to be updated so that the extension can stil...
MICROSOFT EDGE,EXTENSION,MANIFEST V3 2022-10-01 02:54:47
Create trigger in MySQL
To create trigger in MySQL, the syntax is :CREATE [DEFINER = { user | CURRENT_USER }] TRIGGER trigger_name trigger_time trigger_event ON tbl_name FOR EACH ROW trigger_bodyOne example is :DELIMITER %%DROP TRIGGER IF EXISTS delete_commentCREATE TRIGGER delete_comment AFTER DELETE ON file_generate_infoFOR EACH ROW BEGIN DELETE FROM article_comment WHERE article_id=OLD.article_id;END%%The whole create trigger statement should be complete statement but not many separate com...
MySQL,Trigger,Dilimiter,phpMyAdmin 2011-04-20 15:35:30
Chrome extension manifest v2 migration to v3
In 2023, Google would not allow Chrome extensions with manifest version before v3 to be listed on Chrome web stores as v3 extensions add more security privacy related restrictions on some of the functions. Hence all extensions with manifest v2 must migrate to v3. In this post, we would show how we did the migration for one of our extensions and the changes made. There is a checklist provided by Chrome team on what needs to be updated so that the extension can still work in v3. It can be checked ...
CHROME EXTENSION,MANIFEST V3,MIGRATION 2022-09-24 10:44:54
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