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What is SaaS, PaaS and IaaS? With examples
...ual-machine disk image library, block and file-based storage, firewalls, load balancers, IP addresses, virtual local area networks etc.
Examples: Amazon EC2, Windows Azure, Rackspace, Google Compute Engine.
PaaS (Platform as a Service), as the name suggests, provides you computing platforms which ...
Why does Java allow us to compile a class with a name different than the file name?
...o through many hundreds of Java files, never chancing upon one which takes advantage of it.
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扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...ming and building fully functional apps for Android devices. Compared to traditional text programming with Android Studio, it has limited features. We enabled App Inventor with multi-touch gestures detection, such as two-finger rotation, and user-defined custom gestures by building extension compone...
Why should I declare a virtual destructor for an abstract class in C++?
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Daniel Kamil Kozar
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answered Nov 7 '08 at 1:01
Airsource LtdAirsource Ltd
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jQuery equivalent of JavaScript's addEventListener method
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Russ CamRuss Cam
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How do I change the default author and committer in the Eclipse Git plugin?
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Click Window > Preferences > Team > Git > Configuration
Click Add Entry and enter the key value pairs:
Key: user.name
Value: YourUsernameHere
And
Key: user.email
Value: YourEmailHere
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enum - getting value of enum on string conversion
...ed
>>> member.name
'red'
>>> member.value
1
You could add a __str__ method to your enum, if all you wanted was to provide a custom string representation:
class D(Enum):
def __str__(self):
return str(self.value)
x = 1
y = 2
Demo:
>>> from enum im...
detach all packages while working in R
...ge:',names(sessionInfo()$otherPkgs),sep=""),detach,character.only=TRUE,unload=TRUE)
(edit: 6-28-19)
In the latest version of R 3.6.0 please use instead.
invisible(lapply(paste0('package:', names(sessionInfo()$otherPkgs)), detach, character.only=TRUE, unload=TRUE))
Note the use of invisible(*) is n...
How can I return an empty IEnumerable?
... Michael MrozekMichael Mrozek
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How to calculate date difference in JavaScript?
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icktoofayicktoofay
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