Bugs
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- Words: 358
- Pages: 22
The Wonderful World of Bugs by Andy Budd of Clearleft.com
1
Hacks by Andy Budd of Clearleft.com
2
How many people feel they use too many hacks?
and how many people feel that use too few? by Andy Budd of Clearleft.com
3
Hacks have been given a bad name… …literally by Andy Budd of Clearleft.com
4
Wouldn’t be here today if it wasn’t for CSS hacks
by Andy Budd of Clearleft.com
5
Sadly, hacks have become synonymous with CSS
by Andy Budd of Clearleft.com
6
It doesn’t have to be this way…
by Andy Budd of Clearleft.com
7
Bug Fixing by Andy Budd of Clearleft.com
8
Browsers are buggy…
…but not as buggy as we’d like to think
by Andy Budd of Clearleft.com
9
Bugs come from lots of places •Syntactic errors •Specificity clashes •Overly complicated code •Browser bugs •Incomplete understanding of the CSS specification
by Andy Budd of Clearleft.com
10
Andy’s first law of bug fixing… …keep it simple (stupid)
by Andy Budd of Clearleft.com
11
Andy’s second law of bug fixing…
…always assume it’s your fault by Andy Budd of Clearleft.com
12
Andy’s third law of bug fixing… …prevention is better than cure
by Andy Budd of Clearleft.com
13
Andy’s fourth law of bug fixing…
…offence is the best form of defence by Andy Budd of Clearleft.com
14
Andy’s fifth law of bug fixing… …isolate the problem
by Andy Budd of Clearleft.com
15
Andy’s sixth law of bug fixing…
…use hacks only as a last resort by Andy Budd of Clearleft.com
16
Using Hacks Sensibly by Andy Budd of Clearleft.com
17
Types of Hack •Hacks that rely on parsing bugs •Hacks that rely on unsupported or misinterpreted CSS
by Andy Budd of Clearleft.com
18
Good hacks… • Are valid • Only target older browsers • Are ugly?
by Andy Budd of Clearleft.com
19
Responsible hacking • Use hacks sparingly • Only add a small number of hacks to your main CSS
• Better to filter hacks into separate stylesheets
• Always comment your hacks
by Andy Budd of Clearleft.com
20
Questions? by Andy Budd of Clearleft.com
21
Thanks you! http://www.andybudd.com/atmedia06 by Andy Budd of Clearleft.com
22
1
Hacks by Andy Budd of Clearleft.com
2
How many people feel they use too many hacks?
and how many people feel that use too few? by Andy Budd of Clearleft.com
3
Hacks have been given a bad name… …literally by Andy Budd of Clearleft.com
4
Wouldn’t be here today if it wasn’t for CSS hacks
by Andy Budd of Clearleft.com
5
Sadly, hacks have become synonymous with CSS
by Andy Budd of Clearleft.com
6
It doesn’t have to be this way…
by Andy Budd of Clearleft.com
7
Bug Fixing by Andy Budd of Clearleft.com
8
Browsers are buggy…
…but not as buggy as we’d like to think
by Andy Budd of Clearleft.com
9
Bugs come from lots of places •Syntactic errors •Specificity clashes •Overly complicated code •Browser bugs •Incomplete understanding of the CSS specification
by Andy Budd of Clearleft.com
10
Andy’s first law of bug fixing… …keep it simple (stupid)
by Andy Budd of Clearleft.com
11
Andy’s second law of bug fixing…
…always assume it’s your fault by Andy Budd of Clearleft.com
12
Andy’s third law of bug fixing… …prevention is better than cure
by Andy Budd of Clearleft.com
13
Andy’s fourth law of bug fixing…
…offence is the best form of defence by Andy Budd of Clearleft.com
14
Andy’s fifth law of bug fixing… …isolate the problem
by Andy Budd of Clearleft.com
15
Andy’s sixth law of bug fixing…
…use hacks only as a last resort by Andy Budd of Clearleft.com
16
Using Hacks Sensibly by Andy Budd of Clearleft.com
17
Types of Hack •Hacks that rely on parsing bugs •Hacks that rely on unsupported or misinterpreted CSS
by Andy Budd of Clearleft.com
18
Good hacks… • Are valid • Only target older browsers • Are ugly?
by Andy Budd of Clearleft.com
19
Responsible hacking • Use hacks sparingly • Only add a small number of hacks to your main CSS
• Better to filter hacks into separate stylesheets
• Always comment your hacks
by Andy Budd of Clearleft.com
20
Questions? by Andy Budd of Clearleft.com
21
Thanks you! http://www.andybudd.com/atmedia06 by Andy Budd of Clearleft.com
22
