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When to use UICollectionView instead of UITableView?
I found that UICollectionView is like an upgraded version of UITableView introduced in iOS6, but when should I choose UICollectionView instead of UITableView ?
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Make a Bash alias that takes a parameter?
I used to use CShell ( csh ), which lets you make an alias that takes a parameter. The notation was something like
20 Answe...
CSS attribute selector does not work a href
I need to use attribute selector in css to change link on different color and image, but it does not work.
2 Answers
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How to swap keys and values in a hash
How do I swap keys and values in a Hash?
6 Answers
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What is the difference between old style and new style classes in Python?
What is the difference between old style and new style classes in Python? When should I use one or the other?
8 Answers
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&& (AND) and || (OR) in IF statements
I have the following code:
9 Answers
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How to execute a bash command stored as a string with quotes and asterisk [duplicate]
I try to execute the following command :
5 Answers
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Best way to hide a window from the Alt-Tab program switcher?
I've been a .NET developer for several years now and this is still one of those things I don't know how to do properly. It's easy to hide a window from the taskbar via a property in both Windows Forms and WPF, but as far as I can tell, this doesn't guarantee (or necessarily even affect) it being hid...
Can someone explain Microsoft Unity?
I've been reading the articles on MSDN about Unity (Dependency Injection, Inversion of Control), but I think I need it explained in simple terms (or simple examples). I'm familiar with the MVPC pattern (we use it here), but I just can't really grasp this Unity thing yet, and I think it's the next st...
Mysql error 1452 - Cannot add or update a child row: a foreign key constraint fails
I'm having a bit of a strange problem. I'm trying to add a foreign key to one table that references another, but it is failing for some reason. With my limited knowledge of MySQL, the only thing that could possibly be suspect is that there is a foreign key on a different table referencing the one I ...