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What's wrong with foreign keys?
I remember hearing Joel Spolsky mention in podcast 014 that he'd barely ever used a foreign key (if I remember correctly). However, to me they seem pretty vital to avoid duplication and subsequent data integrity problems throughout your database.
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Stylecop vs FXcop
Has Stylecop superseded FXcop?
Which product should we be using with Visual Studio 2008?
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Parse JSON in TSQL
Is it possible to parse JSON in TSQL ?
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How to import multiple .csv files at once?
Suppose we have a folder containing multiple data.csv files, each containing the same number of variables but each from different times.
Is there a way in R to import them all simultaneously rather than having to import them all individually?
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Matplotlib discrete colorbar
I am trying to make a discrete colorbar for a scatterplot in matplotlib
7 Answers
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JavaScript string encryption and decryption?
I'm interested in building a small app for personal use that will encrypt and decrypt information on the client side using JavaScript. The encrypted information will be stored in a database on a server, but never the decrypted version.
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Recreating a Dictionary from an IEnumerable
I have a method that returns an IEnumerable<KeyValuePair<string, ArrayList>> , but some of the callers require the result of the method to be a dictionary. How can I convert the IEnumerable<KeyValuePair<string, ArrayList>> into a Dictionary<string, ArrayList> so th...
Concatenating two one-dimensional NumPy arrays
...ne-dimensional arrays in NumPy . I should be able to concatenate them using numpy.concatenate . But I get this error for the code below:
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Why would one use nested classes in C++?
Can someone please point me towards some nice resources for understanding and using nested classes? I have some material like Programming Principles and things like this IBM Knowledge Center - Nested Classes
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Python set to list
How can I convert a set to a list in Python? Using
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