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How to define servlet filter order of execution using annotations in WAR
...arty libraries which includes a filter? It's hard to tell its order beforehand.
– BalusC
Oct 29 '11 at 19:07
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What does “Document-oriented” vs. Key-Value mean when talking about MongoDB vs Cassandra?
...hat does going with a document based NoSQL option buy you over a KV store, and vice-versa?
4 Answers
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Are Java static calls more or less expensive than non-static calls?
...ful to know they are at least as fast, if not faster than instance methods and should not be ruled out on a performance basis.
– Will
Oct 21 '17 at 13:11
2
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how to set textbox value in jquery
...ed from the Ajax into the specified element:
Load data from the server and place the returned HTML into the matched element.
You cannot set the value of a textbox with that method.
$(selector).load() returns the a jQuery object. By default an object is converted to [object Object] when treated...
how to permit an array with strong parameters
..., Date, Time, DateTime, StringIO, IO,
ActionDispatch::Http::UploadedFile and Rack::Test::UploadedFile.
To declare that the value in params must be an array of permitted scalar values map the key to an empty array:
params.permit(:id => [])
In my app, the category_ids are passed to the c...
Rails where condition using NOT NIL
...ils 3:
Foo.includes(:bar).where("bars.id IS NOT NULL")
ActiveRecord 4.0 and above adds where.not so you can do this:
Foo.includes(:bar).where.not('bars.id' => nil)
Foo.includes(:bar).where.not(bars: { id: nil })
When working with scopes between tables, I prefer to leverage merge so that I c...
Confusion: @NotNull vs. @Column(nullable = false) with JPA and Hibernate
...tation of JSR 303, however, it intelligently picks up on these constraints and translates them into database constraints for you, so you get two for the price of one. @Column(nullable = false) is the JPA way of declaring a column to be not-null. I.e. the former is intended for validation and the lat...
Difference between “module.exports” and “exports” in the CommonJs Module System
...ariables to the same object, they are all the same object; so then exports and module.exports are the same object.
But if you set exports to something new, it will no longer be set to module.exports, so exports and module.exports are no longer the same object.
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Extending an Object in Javascript
I am currently transforming from Java to Javascript, and it's a bit hard for me to figure out how to extend objects the way I want it to do.
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How do I pull my project from github?
...thub that I have been working on before. However, I wiped out my computer and I am wondering which git command should I invoke under my username to checkout my project again so that I can push my latest changes to github under my account.
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