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If table exists drop table then create it, if it does not exist just create it
I'm stumped, I don't know how to go about doing this.
4 Answers
4
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What is the difference between BIT and TINYINT in MySQL?
In which cases would you use which? Is there much of a difference? Which I typically used by persistence engines to store booleans?
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Rails: Using build with a has_one association in rails
In this example, I create a user with no profile , then later on create a profile for that user. I tried using build with a has_one association but that blew up. The only way I see this working is using has_many . The user is supposed to only have at most one profile .
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What is the difference between persist() and merge() in JPA and Hibernate?
...e
entered into the database at or before
transaction commit or as a result of
the flush operation.
If X is a
preexisting managed entity, it is
ignored by the persist operation.
However, the persist operation is
cascaded to entities referenced by X,
if the relationships from X to th...
Add margin above top ListView item (and below last) in Android
This is a pretty fine question about the layout of items in a ListView in Android.
5 Answers
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What is the difference between '>' and a space in CSS selectors?
What's the point using this syntax
5 Answers
5
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Create list of single item repeated N times
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You can also write:
[e] * n
You should note that if e is for example an empty list you get a list with n references to the same list, not n independent empty lists.
Performance testing
At first glance it seems that repeat...
Django-DB-Migrations: cannot ALTER TABLE because it has pending trigger events
I want to remove null=True from a TextField:
5 Answers
5
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Difference between “change” and “input” event for an `input` element
Can someone tell me what the difference between the change and input events is?
4 Answers
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Anonymous recursive PHP functions
Is it possible to have a PHP function that is both recursive and anonymous? This is my attempt to get it to work, but it doesn't pass in the function name.
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