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How can I use UUIDs in SQLAlchemy?
...e careful not to miss passing the callable uuid.uuid4 into the column definition, rather than calling the function itself with uuid.uuid4(). Otherwise, you will have the same scalar value for all instances of this class. More details here:
A scalar, Python callable, or ColumnElement expression r...
How do I do base64 encoding on iOS?
...upport from the iPhone SDK . How can I do base64 encoding and decoding with or without a library?
19 Answers
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Pandas - How to flatten a hierarchical index in columns
I have a data frame with a hierarchical index in axis 1 (columns) (from a groupby.agg operation):
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How to avoid “if” chains?
...uld evaluate only if the previous one succeeded (this is called short circuit evaluation)
executeThisFunctionInAnyCase() will be executed in any case
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Pythonic way to combine FOR loop and IF statement
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edited Aug 8 '11 at 12:19
Johnsyweb
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Java abstract interface
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Why is it necessary for an interface to be "declared" abstract?
It's not.
public abstract interface Interface {
\___.__/
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'----> Neither this...
public void interfacing();
public abstract...
How do you loop through currently loaded assemblies?
...s all referenced assemblies, recursively, including nested assemblies.
As it uses ReflectionOnlyLoad, it loads the assemblies in a separate AppDomain, which has the advantage of not interfering with the JIT process.
You'll notice that there is also a MyGetMissingAssembliesRecursive. You can use th...
What is the worst gotcha in C# or .NET? [closed]
I was recently working with a DateTime object, and wrote something like this:
61 Answers
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Tracking Google Analytics Page Views with AngularJS
...pp using AngularJS as the frontend. Everything on the client side is done with HTML5 pushstate and I'd like to be able to track my page views in Google Analytics.
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C++ display stack trace on exception
... the user if an exception is thrown. What is the best way to do this? Does it take huge amounts of extra code?
16 Answers
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