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What is the difference between Strategy design pattern and State design pattern?
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In eCommerce application, if extra discount needs to be applied on festive season, then it is state design pattern. The actual discount rate logic can be applied with strategy design pattern, if there are more than one way to arrive at that number.
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How to install MySQLdb (Python data access library to MySQL) on Mac OS X?
...1:
Download the latest MySQL for Python adapter from SourceForge.
Step 2:
Extract your downloaded package:
tar xzvf MySQL-python-1.2.2.tar.gz
Step 3:
Inside the folder, clean the package:
sudo python setup.py clean
COUPLE OF EXTRA STEPS, (from this comment)
Step 3b:
Remove everything under ...
What's the UIScrollView contentInset property for?
...ntent enough to type into it. With the inset, it is as if the content had extra "BLANK CONTENT" the size of the content inset. Blank text has been "inset" into the real "content" -- that's how I remember the concept.
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Multi-line commands in GHCi
...ust not be trailing spaces on your lines. trailing whitespace counts as an extra Enter and breaks the multi-line block.
– Will Ness
May 12 at 6:16
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Alter MySQL table to add comments on columns
... AND is_nullable = 'YES' AND column_key = '','DEFAULT NULL ', ''),
extra,
' COMMENT \'',
column_comment,
'\' ;') as script
FROM
information_schema.columns
WHERE
table_schema = 'my_database_name'
ORDER BY table_name , column_name
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Open it o...
Best practices for Storyboard login screen, handling clearing of data upon logout
...imated:NO completion:nil];
}
@end
LoginExample is a sample project for extra help.
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Bootstrap css hides portion of container below navbar navbar-fixed-top
...ntainability test for no good reason). It isn't clear right away what this extra navbar does.
– fragilewindows
Dec 7 '16 at 13:07
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How to get users to read error messages?
... Instead of requiring users to figure out the date format, take a couple extra minutes and teach your software how to parse dates in multiple formats. The computer is smart -- let it help the user rather than slap their wrists.
– Bryan Oakley
Jul 18 '10 at 4:...
What is a tracking branch?
...anch sf will automatically push to and pull from origin/serverfix.
BONUS: extra git status info
With a tracking branch, git status will tell you whether how far behind your tracking branch you are - useful to remind you that you haven't pushed your changes yet! It looks like this:
$ git status
O...
Confusion: @NotNull vs. @Column(nullable = false) with JPA and Hibernate
...he latter for indicating database schema details. You're just getting some extra (and welcome!) help from Hibernate on the validation annotations.
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