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Ball to Ball Collision - Detection and Handling
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thats a good idea. I did this once and i checked the current cell and all neighboring cells, but your method is more efficient. Another way I just thought of is to check the current cell, and then check to see if it intersects with the cu...
Vim: Close All Buffers But This One
...uilt-in function bufnr("$") that returns last buffer number. but I have no idea to interpolate to string when I use like this :1,bufnr("$")bd. Maybe.. best solution would be :1,9999bd.
– Jinyoung Kim
Dec 21 '15 at 16:37
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How do I create a basic UIButton programmatically?
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It seems it is not a good idea (??) to do initialization of coordinates of view in viewDidLoad: stackoverflow.com/questions/17882199/… ???
– user2054339
Jul 30 '13 at 13:48
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How to checkout in Git by date?
... When I execute above command I get error: unknown switch `n' any ideas how to get around this?
– Tim
Apr 18 '19 at 21:05
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How to create our own Listener interface in android?
...as Listener,and your Activity implements it,but i don't think it is a good idea.
if we have many components to listen the changes of their state,we can create a BaseListener implements interface Listener,and use type code to handle them.
we can bind the method when we create XML file,for example:
&...
EC2 Can't resize volume after increasing size
...sole shows that it cannot start its Status Checks. I think it is dead. Any idea what to do?
– Richard
Jan 27 '15 at 5:48
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Reorder / reset auto increment primary key
...he ids should then be reassigned in order.
However this is probably a bad idea in most situations. If you have other tables that have foreign keys to this table then it will definitely not work.
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Show DialogFragment with animation growing from a point
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Good idea with the multiple animations for different locations on the screen. It's a hack, but it seems to be the only way.
– Edward Dale
Nov 27 '12 at 15:04
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Accessing a Dictionary.Keys Key through a numeric index
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A Dictionary is a Hash Table, so you have no idea the order of insertion!
If you want to know the last inserted key I would suggest extending the Dictionary to include a LastKeyInserted value.
E.g.:
public MyDictionary<K, T> : IDictionary<K, T>
{
priv...
Delete keychain items when an app is uninstalled
... with the disk (by calling synchronize) are lost in that case. It's a good idea to call synchronize after setting the first run key. And yes, NSUserDefaults are cleared when a device is reset (and not restored from backup), and that's fine in this case.
– Amro
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