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Map vs Object in JavaScript
I just discovered chromestatus.com and, after losing several hours of my day, found this feature entry :
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What is the best method of handling currency/money?
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You'll probably want to use a DECIMAL type in your database. In your migration, do something like this:
# precision is the total number of digits
# scale is the number of digits to the right of the decimal point
add_column :it...
How to do an update + join in PostgreSQL?
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How do I retrieve my MySQL username and password?
I lost my MySQL username and password. How do I retrieve it?
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How to downgrade or install an older version of Cocoapods
How can I downgrade Cocoapods to an older version, or how can I install an older version of Cocoapods?
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Converting Dictionary to List? [duplicate]
I'm trying to convert a Python dictionary into a Python list, in order to perform some calculations.
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Insert Update trigger how to determine if insert or update
I need to write an Insert, Update Trigger on table A which will delete all rows from table B whose one column (say Desc) has values like the value inserted/updated in the table A's column (say Col1). How would I go around writing it so that I can handle both Update and Insert cases. How would I dete...
Creating dataframe from a dictionary where entries have different lengths
Say I have a dictionary with 10 key-value pairs. Each entry holds a numpy array. However, the length of the array is not the same for all of them.
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Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
What is the most efficient algorithm to achieve the following:
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What is the difference between a string and a byte string?
I am working with a library which returns a byte string and I need to convert this to a string.
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