21. 3
3.5 Browsers to support in 2012
s
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14%
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14%
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b
le
ts
18%
9
10
36%
36%
18%
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IE 9
79%
79%
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98.1%
IE 10
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Browsers developers expect to support in 2013
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lördag 30 november 13
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40. Web application layers
Web
server
Communication
Java to
JavaScript
JavaScript
required
required
optional
optional
optional
required
required
required
required
optional
required
required
required
JS
GWT Vaadin
Backend
server
lördag 30 november 13
required
41. Web application layers
Web
server
Communication
Java to
JavaScript
JavaScript
required
required
optional
optional
optional
JS
GWT Vaadin
Backend
server
lördag 30 november 13
required
required
1 layer
required
vs
required
3 layers
-50% lines of code
-50% development
required
required
-50% maintenance
easier to learn
required
required
optional
42. O
tim
p
ize
e rol
d ont
i C
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r
fo
d
tien
Cl
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ti
uc
df
ize
od
im
Pr
t
Op
r
e
v
r
e
S
y
vit
lördag 30 november 13
69. 934 tickets closed during 16 months of
development
Oldest ticket created 3/2008
Newest ticket 2/2013
3939 commits made by 23 authors
93 % by 6 persons
> 1 000 000 lines of code touched
lördag 30 november 13