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Android Fragment handle back button press [duplicate]
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407
When you are transitioning between Fragments, call addToBackStack() as part of your FragmentTra...
Easy way to see saved NSUserDefaults?
... to find your app binary:
find . -name foo.app
./1BAB4C83-8E7E-4671-AC36-6043F8A9BFA7/foo.app
Then go to the Library/Preferences directory in the GUID directory. So:
cd 1BAB4C83-8E7E-4671-AC35-6043F8A9BFA7/Library/Preferences
You should find a file that looks like:
<Bundle Identifier>....
Adding two numbers concatenates them instead of calculating the sum
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350
They are actually strings, not numbers. The easiest way to produce a number from a string is to ...
Format timedelta to string
...with str(). Here's an example:
import datetime
start = datetime.datetime(2009,2,10,14,00)
end = datetime.datetime(2009,2,10,16,00)
delta = end-start
print(str(delta))
# prints 2:00:00
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im...
Split a string by spaces — preserving quoted substrings — in Python
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407
You want split, from the built-in shlex module.
>>> import shlex
>>> shlex.s...
Create code first, many to many, with additional fields in association table
...nts { get; set; }
}
public class MemberComment
{
[Key, Column(Order = 0)]
public int MemberID { get; set; }
[Key, Column(Order = 1)]
public int CommentID { get; set; }
public virtual Member Member { get; set; }
public virtual Comment Comment { get; set; }
public int So...
PostgreSQL error: Fatal: role “username” does not exist
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806
Use the operating system user postgres to create your database - as long as you haven't set up ...
How to grep and replace
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On OS X 10.10 Terminal, a proper extension string to parameter -i is required. For example, find /path/to/files -type f -exec sed -i "" "s/oldstring/new string/g" {} \; Anyway, providing empty string still creates a backup file unlike...
Set NOW() as Default Value for datetime datatype?
...an/5.7/en/timestamp-initialization.html
http://optimize-this.blogspot.com/2012/04/datetime-default-now-finally-available.html
Prior to 5.6.5, you need to use the TIMESTAMP data type, which automatically updates whenever the record is modified. Unfortunately, however, only one auto-updated TIMESTAMP...
How can I use functional programming in the real world? [closed]
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answered Sep 27 '08 at 4:41
ApocalispApocalisp
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