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in entity framework code first, how to use KeyAttribute on multiple columns
I'm creating a POCO model to use with entity framework code first CTP5. I'm using the decoration to make a property map to a PK column. But how can I define a PK on more then one column, and specifically, how can I control order of the columns in the index? Is it a result of the order of propert...
How to create loading dialogs in Android?
...g, with setIndeterminate(true).
From http://developer.android.com/guide/topics/ui/dialogs.html#ProgressDialog
ProgressDialog dialog = ProgressDialog.show(MyActivity.this, "",
"Loading. Please wait...", true);
An indeterminate progress bar doesn't actually show a bar, it sh...
python pandas: Remove duplicates by columns A, keeping the row with the highest value in column B
I have a dataframe with repeat values in column A. I want to drop duplicates, keeping the row with the highest value in column B.
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How to remove extension from string (only real extension!)
I'm looking for a small function that allows me to remove the extension from a filename.
17 Answers
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CSS selector for text input fields?
How can I target input fields of type 'text' using CSS selectors?
9 Answers
9
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Deleting all records in a database table
...
If you are looking for a way to it without SQL you should be able to use delete_all.
Post.delete_all
or with a criteria
Post.delete_all "person_id = 5 AND (category = 'Something' OR category = 'Else')"
See here for more information.
The records a...
Basic HTTP and Bearer Token Authentication
... for the development environment. As the real authentication is done via a token, I'm still trying to figure out, how to send two authorization headers.
...
Javascript Array of Functions
...unction,
third_function,
forth_function
]
and then when you want to execute a given function in the array:
array_of_functions[0]('a string');
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Understanding the difference between __getattr__ and __getattribute__
I am trying to understand the difference between __getattr__ and __getattribute__ , however, I am failing at it.
4 Answe...
How to calculate age (in years) based on Date of Birth and getDate()
...T(char(8),@Dob,112))/10000 AS AgeIntYears
you can change the above 10000 to 10000.0 and get decimals, but it will not be as accurate as the method below.
BEST METHOD FOR YEARS IN DECIMAL
DECLARE @Now datetime, @Dob datetime
SELECT @Now='1990-05-05', @Dob='1980-05-05' --results in 10.000000000...