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Ruby on Rails patterns - decorator vs presenter
...e functionality to this entity". A presenter is more of a "let's build a bridge between the model/backend and view". The presenter pattern has several interpretations.
Decorators are generic/general purpose. Presenters have a narrower range of responsibilities/uses. Decorators are used across domai...
Loop through Map in Groovy?
...ith a closure:
def map = [
'iPhone':'iWebOS',
'Android':'2.3.3',
'Nokia':'Symbian',
'Windows':'WM8'
]
map.each{ k, v -> println "${k}:${v}" }
share
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How to view revision history for Mercurial file?
... hgk works for whole revisions, but how do you get it to diff individual files?
– keflavich
Jan 25 '12 at 0:33
add a comment
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Why an interface can not implement another interface?
...ments means implementation, when interface is meant to declare just to provide interface not for implementation.
A 100% abstract class is functionally equivalent to an interface but it can also have implementation if you wish (in this case it won't remain 100% abstract), so from the JVM's perspecti...
How to get MD5 sum of a string using python?
...ust want a 16 character long digest, you can do a slice as Baris Demiray said.
– ryan
Dec 6 '16 at 10:20
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Rebase feature branch onto another feature branch
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didn't he want to have all changes in Branch1?
– tomasz_kusmierczyk
Mar 23 '18 at 13:45
7
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Superscript in markdown (Github flavored)?
...>), and it would appear as O(n<sup>2</sup>). Nice. Now why didn't that work on SO markdown?
– phonetagger
Apr 2 '15 at 17:19
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Why can templates only be implemented in the header file?
... f;
When reading this line, the compiler will create a new class (let's call it FooInt), which is equivalent to the following:
struct FooInt
{
int bar;
void doSomething(int param) {/* do stuff using int */}
}
Consequently, the compiler needs to have access to the implementation of the ...
How to add a default include path for GCC in Linux?
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Not a good idea. This is non-composable (what if you want another dir? what if you want some other GCC switch) and may confuse various scripts or automated tools which make assumptions about gcc.
– einpoklum
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Find files containing a given text
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that didn't seem to work for me(at least not on mac)....just hangs... egrep -lir --include=* "repo" egrep: warning: recursive search of stdin
– Dean Hiller
Apr 2 '14 at 14:18
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