2015 - network 2015, ua: defensive programming, resilience patterns & antifragility
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https://www.flickr.com/photos/38295844@N05/4980776534/
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https://www.flickr.com/photos/pagedooley/2398572388/
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http://www.city-data.com/forum/anchorage/692696-anchorage-here-we-come-finally.html
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BOSS
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“Office Space” by Mike Judge / Twentieth Century Fox Film Corporation
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CHANGE
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https://www.flickr.com/photos/bluedharma/89186151
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https://www.flickr.com/photos/armydre2008/3144377781
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RELEASE
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Time
Chang
e Big
…
Sm
all
…
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FAIL
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https://www.flickr.com/photos/38403488@N08/5100179116
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Thomas Edison
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https://www.flickr.com/photos/edrost88/8235944730
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Yoda Conditions
if (variable.Equals("literal")){
... }
if ("literal".Equals(variable)){
... }
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Check Collections for Null
var files = SomeApi.GetFileList();
if (files != null){
for (var i = 0; i < files.length; i++){
...
}
}
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All classes are sealed by default
public class Class1{...
}
public sealed class Class1{...
}
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DDD Value Object Input Validation
public sealed class ZipCode: IValueObject
{public ZipCode(int value)
{
// Input validation!!!
Value = value;
}
public int Value { get; private set;}
}
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http://research.microsoft.com/en-us/um/people/lamport/pubs/distributed-system.txt
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https://www.flickr.com/photos/qubodup/8278039181
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https://www.flickr.com/photos/st3f4n/143623217
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http://moonbasetshirts.limitedrun.com/products/557785-palpatine-vader-2016
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https://www.flickr.com/photos/susivinh/16341538221
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Antifragility
Resilience
Robustness
Fragile
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