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How and where are Annotations used in Java?
... the element and clarify its meaning.
Prior to JDK5, information that is now expressed with annotations needed to be stored somewhere else, and XML files were frequently used. But it is more convenient to use annotations because they will belong to the Java code itself, and are hence much easier t...
SQLAlchemy: cascade delete
...SCADE that you set up. This is because it relies on those foreign keys to know which child rows to delete. Once SqlAlchemy has set them all to NULL, the database can't delete them. Setting the passive_deletes=True prevents SqlAlchemy from NULLing out the foreign keys.
You can read more about passive...
Code-first vs Model/Database-first [closed]
...st a storage with no logic. EF will handle creation and you don't want to know how it does the job.
Manual changes to database will be most probably lost because your code defines the database.
Database first
Very popular if you have DB designed by DBAs, developed separately or if you have exist...
How do I use arrays in C++?
... | pointer_to_the_first_element int*
This conversion is known as "array-to-pointer decay", and it is a major source of confusion. The size of the array is lost in this process, since it is no longer part of the type (T*). Pro: Forgetting the size of an array on the type level allow...
Pushing to Git returning Error Code 403 fatal: HTTP request failed
...ange all the texts before @ symbol to ssh://git
Save config file and quit. now you could use git push origin master to sync your repo on GitHub
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Why and when to use Node.js? [duplicate]
...libraries for Node.js that will give you abstractions, like Express.js and now.
You don't want to use Node.js if you want (slow) high level abstractions to do everything for you. You don't want to use Node.js if you want RAD. You don't want to use Node.js if you can't afford to trust a young platfo...
Facebook API “This app is in development mode”
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I know its a little bit late but someone may find this useful in future.
STEP 1:
Login to facebook Developer -> Your App
In Settings -> Basic -> Contact Email. (Give any email)
STEP 2:
And in 'App Review' Tab : ch...
Twitter Bootstrap alert message close and open again
...t you should use jQuery's live to set the handler on all elements that are now and in future in the dom or get removed.
I use
$(document).on("click", "[data-hide-closest]", function(e) {
e.preventDefault();
var $this = $(this);
$this.closest($this.attr("data-hide-closest")).hide();
}...
Fetch the row which has the Max value for a column
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@jastr I think that was acknowledged in the question
– David Aldridge
Jun 17 '16 at 15:47
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Why does my JavaScript code receive a “No 'Access-Control-Allow-Origin' header is present on the req
...not seeing the same problem when using postman, this means that you are unknowingly not sending the same request via postman.
– Ray Nicholus
Nov 17 '13 at 20:01
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