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Zip lists in Python

... len(result[0]) wont work. 'zip' object is not subscriptable – GilbertS Feb 23 at 16:23 3 ...
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Custom Cell Row Height setting in storyboard is not responding

I am trying to adjust the cell height for one of the cells on my table view. I am adjusting the size from the "row height" setting inside the "size inspector" of the cell in question. When I run the app on my iPhone the cell has the default size set from the "row size" in the table view. ...
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When to add what indexes in a table in Rails

... end of the index. If you have a has_many :through relationship, your join table should have a unique index on both properties involved in the join as a compound key. If you fetch a record directly using a unique identifier such as username or email, that should be a unique index. If you fetch sets ...
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Using IQueryable with Linq

...tabase, with many ORM systems, you have the option of fetching data from a table in two ways, one which returns IEnumerable<T>, and one which returns an IQueryable<T>. Say, for example, you have a Products table, and you want to get all of the products whose cost is >$25. If you do:...
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How can I make a JPA OneToOne relation lazy

... a proxy object or NULL and it can't determine that by looking at its base table's columns due to one-to-one normally being mapped via shared PK, so it has to be eagerly fetched anyway making proxy pointless. Here's a more detailed explanation. many-to-one associations (and one-to-many, obviously) d...
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Make column not nullable in a Laravel migration

I'm writing a migration to make certain columns in a table nullable right now. For the down function, I of course want to make those columns not nullable again. I looked through the schema builder docs , but couldn't see a way to do this. ...
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ASP.NET MS11-100: how can I change the limit on the maximum number of posted form values?

... by MS11-100 temporarily mitigates a potential DoS attack involving hash table collisions. It appears this fix breaks pages that contain a lot of POST data. In our case, on pages that have very large checkbox lists. Why would this be the case? ...
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Find rows that have the same value on a column in MySQL

In a [member] table, some rows have the same value for the email column. 8 Answers 8...
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UITableView - scroll to the top

In my table view I have to scroll to the top. But I cannot guarantee that the first object is going to be section 0, row 0. May be that my table view will start from section number 5. ...
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How can I keep Bootstrap popovers alive while being hovered?

... I used it in a table and I added container: 'body' to the options because it made the cells shift. Great answer! – Alexander Derck Jun 29 '16 at 13:30 ...