About Instagram

Friday, April 13th, 2012
Some interesting links about Instagram:
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Chase Jarvis TECH: Complete Workflow for Photo and Video

Wednesday, April 4th, 2012

Great video from Chase Jarvis on his complete workflow from shooting to publishing.

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Pagination, Vmem, Page fault

Tuesday, April 3rd, 2012

Great talk on how OS manage memory, OS mechanisms explained, must see for your culture :)

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About Android fragmentation

Saturday, March 31st, 2012

An interesting article about Android fragmentation and supporting the wide range of hardware and os versions.

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Start Developing iOS Apps Today

Thursday, March 8th, 2012

Apple published a great doc for newcomers. It’s also a good source of links and articles for all the basics in iOS, from enrolling as developer to publish your first app.

Find all related docs links below:

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Ubuntu 11.10: setting up Apache2 and SSL with self-signed certificate

Saturday, January 14th, 2012

Create a self-signed certificate:

$ make-ssl-cert generate-default-snakeoil --force-overwrite

It creates the following files:

  • /etc/ssl/private/ssl-cert-snakeoil.key
  • /etc/ssl/certs/ssl-cert-snakeoil.pem

Activate Apache SSL module:

$ a2enmod ssl

Activate Apache default ssl virtual host:

$ a2ensite default-ssl

Restart Apache:

/etc/init.d/apache2 restart

You should now see the following page on your webserver:

It works!

This is the default web page for this server.

The web server software is running but no content has been added, yet.
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How I upgraded my iPhone 3GS from 3.x to 4.x

Saturday, November 19th, 2011

When I tried to upgrade my phone 3GS 3.x to a 4.x firmware found on osxdaily.com, I got the famous “this device isn’t eligible for the requested build”.

My jailbroken device was on a 3.1.3 firmware with Cydia installed. After trying different 4.x firmwares, I googled this error message and found an interesting thread here.

I followed their advice and it worked:

  • Install TinyUmbrella,
  • Clicked on my device,
  • went to Advanced tab and unchecked “Request SHSH from Cydia”,
  • Started TSS Server,
  • Entered Recovery,
  • and finally in iTunes clicked on Restore (with option key) and selected a 4.1 firmware,
  • done!
I can now test my apps on a 4.x device.
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Learn iOS Application Development with Stanford

Friday, November 18th, 2011

The new Fall 2011 courses from Stanford on iTunes U are available!

Courses by Paul Hegardy released with a Creative Commons BY-NC-ND license in full HD.

7 courses are available:

  • MVC and Introduction to Objective-C
  • My first iOS App
  • Objective-C
  • Views
  • Protocols and Gestures
  • Multiple MVCs and Segues
  • iPad Apps
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Debugging EXC_BAD_ACCESS

Wednesday, October 5th, 2011

A helpful article explaining how to use gdb to debug EXC_BAD_ACCESS:

Also, if you don’t know about NSZombieEnabled you should read the following articles:
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iOS device and OS version

Wednesday, March 30th, 2011

If you are interested in device class and OS version statistics, I’ve compiled a list of recent articles:

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