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Case objects vs Enumerations in Scala
...00 lines - contains lots of comments explaining implementation context).
Details:
The question you're asking is pretty general; "...when to use caseclassesobjects vs extending [scala.]Enumeration". And it turns out there are MANY possible answers, each answer depending on the subtleties of the spe...
What's the difference between the atomic and nonatomic attributes?
...ellent answers to this question. Because execution and performance are not detailed well, I will add my answer.
What is the functional difference between these 3?
I'd always considered atomic as a default quite curious. At the abstraction level we work at, using atomic properties for a class a...
PowerShell: Store Entire Text File Contents in Variable
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Powershell 2.0:
(see detailed explanation here)
$text = Get-Content $filePath | Out-String
The IO.File.ReadAllText didn't work for me with a relative path, it looks for the file in %USERPROFILE%\$filePath instead of the current directory (when...
Understanding REST: Verbs, error codes, and authentication
... expect it to succeed once the server's troubles are resolved. Specify the details in the body, so that the client will be able to provide some context to us humans.
The other category of errors would be the 4xx family, which in general indicate that the client did something wrong. In particular, t...
How To Set Up GUI On Amazon EC2 Ubuntu server
... to open port 5901 in your Security Group for this to work. Thanks for the detailed answer!
– Daniel Magliola
Jan 20 '15 at 11:46
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How can sbt pull dependency artifacts from git?
... with RootProject(file(...)). See "Full Configuration" on the SBT wiki for details and examples.
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Set a DateTime database field to “Now”
...o me that those aren't "exact the same thing". This question offers a more detailed explanation for this: stackoverflow.com/questions/7105093/…
– Mladen B.
Feb 28 '19 at 11:37
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How does a PreparedStatement avoid or prevent SQL injection?
...uery exist or not.
It also has many other tasks to do, but let's not go in detail.
Compilation Phase:
In this phase, keywords used in query like select, from, where etc are converted into format
understandable by machine.
This is the phase where query is interpreted and corresponding action to be ta...
How to check certificate name and alias in keystore files?
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In order to get all the details I had to add the -v option to romaintaz answer:
keytool -v -list -keystore <FileName>.keystore
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Difference between Observer, Pub/Sub, and Data Binding
...functions when it feels a good time.
see this observer pattern example for details.
This pattern is good when you want to listen for any data change on an object and update other UI views correspondingly.
But the Cons are Observables only maintain one array for keeping observers
(in the example, the...