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What are “Groovy” and “Grails” and what kinds of applications are built using them?
...Grails promotes "coding by convention", development best practices, and is meant to be highly productive.
What kind of Applications are built using "Groovy on Grails"?
Grails is used to build web applications that run on the JVM.
What are the advantages of Groovy on Grails?
High productivity, focu...
Clojure differences between Ref, Var, Agent, Atom, with examples
... to Clojure, Can you guys give me explanation with real world scenarios. I mean, where to use Ref, Var, Agent, Atom. I read book, but, still couldn't understand the real world examples.
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NHibernate ISession Flush: Where and when to use it, and why?
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Can the order of the SQL statements be changed. I mean I need to perform update over an entity object and than insert because I have a constraint in the corresponding table.
– bob_saginowski
Apr 25 '17 at 7:46
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Brew update failed: untracked working tree files would be overwritten by merge
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It means your permissions are screwed. One way would be to run sudo git reset --hard, other and a better way would be to fix permissions and do chown -R <your_username> $(brew --prefix)/.git
– favoret...
Does order of where clauses matter in SQL?
...them the other way around, but it fails both ways around. I think this can mean either of two things: (1) It's not optimizing as well as it could or (2) It's a compile-time error and SQL doesn't even start to try to compare anything, bailing out preliminary. My guess is that it's nr. 2.
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Select elements by attribute
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Do you mean can you select them? If so, then yes:
$(":checkbox[myattr]")
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Can I have multiple :before pseudo-elements for the same element?
...can only have at most one of any kind of pseudo-element at any time. (This means an element can have both a :before and an :after pseudo-element — it just cannot have more than one of each kind.)
As a result, when you have multiple :before rules matching the same element, they will all cascade an...
How do you get the footer to stay at the bottom of a Web page?
...alc(100vh - 120px);
/* 80px header + 40px footer = 120px */
}
Which means: let the height of the content div be at least 100% of the viewport height minus the combined heights of the header and footer.
That's it.
* {
margin:0;
padding:0;
}
header {
background: yellow;
...
HTTP status code for a partial successful request
...t to be clear. HTTP in a REST way is resource centric. In this context 200 means identity (the resource you specified) instead of 3xx which points in direction of the identity. Using POST turns the resource URI into a processing URI and there error codes need to cope with that. The context shifts a ...
What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?
... be important - write-host directly writes to the host and return nothing, meaning that you can't redirect the output, e.g., to a file.
---- script a.ps1 ----
write-host "hello"
Now run in PowerShell:
PS> .\a.ps1 > someFile.txt
hello
PS> type someFile.txt
PS>
As seen, you can't red...