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What is the meaning of “this” in Java?
...d is required. If i add the main method, then I have to call from there. And any attempt to call frobnicate() inside main says that you can't call a non-static reference from inside a static one. And removing static from main returns the error again that no main method i s found. Please explain.
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Does a foreign key automatically create an index?
...se through a FK-relationship, you'll often need to lookup a relating table and extract certain rows based on a single value or a range of values.
So it makes good sense to index any columns involved in a FK, but a FK per se is not an index.
Check out Kimberly Tripp's excellent article "When did SQ...
RESTful on Play! framework
... render(user);
}
As you can see I only removed the getUserJSON method and renamed the getUser method. For different content types to work you now have to create several templates. One for each desired content type. For example:
user.xml:
<users>
<user>
<name>${user.nam...
Store a closure as a variable in Swift
In Objective-C, you can define a block's input and output, store one of those blocks that's passed in to a method, then use that block later:
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ActiveModel::ForbiddenAttributesError when creating new user
...about why this works or why this is needed?
– DiverseAndRemote.com
Aug 9 '13 at 13:23
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@OmarJac...
How to add a filter class in Spring Boot?
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When I tried that approach, Filter was created as bean and even was injected to other class but init() method didn't run. Probably, init() works only in 'normal' registering not by spring container. I think, one may use PostConstruct instead of init() but I didn't try that as I r...
How to un-submodule a Git submodule?
...odule code into the main repository, you just need to remove the submodule and re-add the files into the main repo:
git rm --cached submodule_path # delete reference to submodule HEAD (no trailing slash)
git rm .gitmodules # if you have more than one submodules,
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Getting new Twitter API consumer and secret keys
...oject where I want to use OAuth but I don't know where to get the consumer and secret keys.
9 Answers
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How do I look inside a Python object?
...to code in various projects using Python (including Django web development and Panda3D game development).
22 Answers
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How to change int into int64?
...64 := int64(i)
fmt.Printf("%T %T", i, i64) // to print the data types of i and i64
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