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What does “coalgebra” mean in the context of programming?
...ust the empty tuple (). So we can actually simplify the idea of an algebra now: it's just some type with some number of functions on it.
An algebra is just a common pattern in mathematics that's been "factored out", just like we do with code. People noticed that a whole bunch of interesting things...
Argparse: Required arguments listed under “optional arguments”?
...o argument groups in which the arguments are automatically separated into. Now, you could “hack into it” and change the name of the optional ones, but a far more elegant solution would be to create another group for “required named arguments” (or whatever you want to call them):
parser = ar...
Check to see if python script is running
...cates a non-graceful shutdown, which means the app crashed. That lets you know there's a problem, and to check the logs. As mentioned, the atexit module can also take care of this, assuming the bug isn't in the Python interpreter itself.
– Dan Udey
May 30 '11 a...
How do I add a new sourceset to Gradle?
... sourceSets.integrationTest.runtimeClasspath
}
As of version 4.0, Gradle now uses separate classes directories for each language in a source set. So if your build script uses sourceSets.integrationTest.output.classesDir, you'll see the following deprecation warning.
Gradle now uses separate ou...
What exactly are DLL files, and how do they work?
...ly do DLL files work? There seems to be an awful lot of them, but I don't know what they are or how they work.
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Converting numpy dtypes to native python types
...) and also np.float(0).item(). In other words, for the cases where it is known what to do, support the .item() method even if it simply returns the same value. That way I could apply .item() on far more numpy scalars without special casing. As it is, seemingly parallel concepts differ due to unde...
Quickly reading very large tables as dataframes
... implementation that would slow things down. In my case, I am assuming I know the types of the columns ahead of time, the table does not contain any column headers or row names, and does not have any pathological characters that I have to worry about.
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Difference between app.all('*') and app.use('/')
...sition of the router in middleware will be more important than it is right now, since you technically don't even have to use it right now).
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Splitting string into multiple rows in Oracle
I know this has been answered to some degree with PHP and MYSQL, but I was wondering if someone could teach me the simplest approach to splitting a string (comma delimited) into multiple rows in Oracle 10g (preferably) and 11g.
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@try - catch block in Objective-C
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Now I've found the problem.
Removing the obj_exception_throw from my breakpoints solved this. Now it's caught by the @try block and also, NSSetUncaughtExceptionHandler will handle this if a @try block is missing.
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