Jan 24, 2012

Ressources for Concepts, Graphics and Development

joerg WDE 0 Comment

Here are good things for development a (web)app to keep in mind for later:

Preperation and Concept

Graphics and Design

Development and Testing

to be continued…

Dec 4, 2011

PHP 5.3 Certification (200-530)

joerg Backend, PHP 0 Comment

I will attend the Zend PHP 5.3 Certification exam on Tuesday, Dec. 6, St. Nicholas Day. This is a important step to evaluate my php skills :) The exam covers many topics like PHP basics, functions, web features, OOP, security, I/O and databases (specially MySQL) in multiple choise questions.

I don’t think that I get a Santa Claus gift, therefore my exam strategy is to pass through all the questions answering what I can, as fast as I can, marking certain questions that I’m unsure of for later review.

EXAMPLE:

What will be the output of the following code snippet?

echo (int) ((0.1 + 0.7) * 10);
  1. The PHP script will return an error message.
  2. 7
  3. 10
  4. 8

ANSWER: B.

What will be the output of the following code snippet?

echo 'hello ' . 1 + 2 . '34';
  1. 0
  2. hello1234
  3. hello334
  4. 234

ANSWER: D.

so pretty neat PHP type converts!

UPDATE: Last edited by joerg on December 6, 2011

Yay I have passed the exam. In conclusion the ZCE exam was a good experience for me. Some PHP experience that escaped my attention were reminded by the learning days before the exam. So I can use it well for my work.

Dec 1, 2011

iPhone 4 Home Button does not respond

joerg , Uncategorized 0 Comment

Holy crap my iPhone 4 home button did not responding anymore in the last days. So like me many users are upset about it in forums. After numerous idiotic solutions I found a workaround that does work and has worked ever since. I can’t believe that but if I plug my USB charging cable into the iPhone and press the right part where it is plugged up towards the screen, just a little, bam that helped!

But Apple…wtf…the only most used mechanical button installed so bad?

An alternative solution is to activate the “AssistiveTouch” in Settings -> General -> Accessibility. This will bring up a transparent round button at the bottom right of the screen with accessibility helper especially a home button option that works just like as the physical home button.

Sep 7, 2011

MySQL table duplicates

joerg , Backend, MySQL 0 Comment

No big magic but I’ve needed some times the following MySQL statement to find table duplications in the database.

SELECT id, name, vendor_number, COUNT(vendor_number) AS count
FROM adr_contact
GROUP BY vendor_number
HAVING COUNT(vendor_number) > 1

With the “Having” clause I can use aggregate functions on the WHERE part.
This snippet is pretty helpful to dedupe a MySQL table.

Aug 22, 2011

How thin can a computer be?

joerg Uncategorized 0 Comment

I got the new Macbook Air. Thanks to my friend christian – my wait is over. It’s my first private mac ever :)

This new Apple flounder packs a 13″ screen and keyboard into a aluminum body that’s quite thin and light. And it has a 128GB solid-state drive with no moving parts instead of a hard disk. Apple’s brand new MacOSX 10.7 Lion is pre-installed and I will it use as my new lightweight mobile development machine.

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