RubyOnRails

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Install rails 4.2 problems on mac yosemite

I had big problems today to install rails 4.2 on my mac wiht MacOS 10.10. Yosemite.
There were this two mayor problems. The first was related to wrong SSL certificates and the other one to nokogiri.
wrong SSL certificates
If you have this error then there is something wrong with your SSL certificates
openssl::ssl::sslerror: ssl_connect returned=1 errno=0 state=sslv3 read [...]

Sprite Sheet Animation with CSS3

CSS3, Javascript

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Sprite Sheet Animation with CSS3

Sometimes i miss the days with my old love Flash. Making small timeline animations to pimp a project was always easy and fun. Since the fall of flash the web is more static then before and it is much more complicated to create nice animations. Today i had to port a bird animation from a [...]

Remote debugging off cordova/phonegap apps

Programming, goodToKnow

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Remote debugging off cordova/phonegap apps

Mobile html5 applications are really hard to debug. Sometimes there is a difference between an app ruinning in mobile browser and running in a webview even on the same device. Currently we have a lot weird css display bugs on samsung s4 and they are hardly to find.
Today i found this great tool to [...]

Simple PHP Socket Server for Flash

AS3/Flash/Flex, Programming

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Simple PHP Socket Server for Flash

These days i was looking for a really small socket server to send messages between flash movies. All i found doesn’t fits good so i made my own one.
Example download:
socketServerExample

IOS Development Faults - Part 1 - Invalid Launch Image

Programming, iPhone/iPad

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IOS Development Faults – Part 1 – Invalid Launch Image

After the upload to itunes connect i received this message: Invalid Launch Image – Your app contains a launch image with a size modifier that is only supported for apps built with the iOS 6.0 SDK or later.

heroku rake assets:precompile failed. Invalid CSS.

Today i played with sass and compass in my current rails project. On my local machine everything works fine. But when i want to make an update to my heroku app i got the following error:

Running: rake assets:precompile
rake aborted!
Invalid CSS after ” *”: expected identifier, was “/”
(in /tmp/build_3tizuffxebjqm/app/assets/
stylesheets/application.css.scss)

the funny thing is, [...]

Upload snapshot image from flash to server

AS3/Flash/Flex, goodToKnow

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Upload snapshot image from flash to server

Today i wanted to upload a captured image from a movieclip in a flash movie to a rails server. there are some task to complete to to this.
1. Flash Upload
I found a really nice und usefull class this morning. you can capture a bitmap image from a movieclip or from webcam and send it t [...]

Flex 4 sample themes don't work

AS3/Flash/Flex

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Flex 4 sample themes don’t work

Today i was playing with the different themes shipped with the FlexSDK. The original spark theme is so ugly. The good thing is – there are some more themes for us, like Arcade, Cobalt, Graphite and Zen. Also there are some CSS-Styled Spark-Themes like spark_cobalt and spark_desert.
For using another theme you have to add a [...]

Flex Bug: swapChildren() doesn't work on UIComponents

AS3/Flash/Flex

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Flex Bug: swapChildren() doesn’t work on UIComponents

today i found another weird bug. i wanted to change the order of 2 elemente of a mx.containers.Canvas with swapChildren() but i got the following error:

[Fault] exception, information=ArgumentError: Error #2025: The supplied DisplayObject must be a child of the caller.
bzw.
[Fault] exception, information=ArgumentError: Error #2025: Das angegebene DisplayObject muss ein untergeordnetes Element des Aufrufers sein.

the error [...]

Flex Bug: smoothBitmapContent doesn’t work for reloaded images

SmoothBitmapContent works only for first loaded image. After changing the source of an image smoothing becomes false.
The Solution: attach a loading complete listener and change the smooth property of the loaded image by yourself.

<mx :Script>
< ![CDATA[
 
/**
* Flex Bug: after reloading the image smoothing is false. smoothBitmapContent works only for first loaded image.
* Solution: [...]