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A monad is just a monoid in the category of endofunctors, what's the problem?
...r phrasing is by James Iry, from his highly entertaining Brief, Incomplete and Mostly Wrong History of Programming Languages, in which he fictionally attributes it to Philip Wadler.
The original quote is from Saunders Mac Lane in Categories for the Working Mathematician, one of the foundational text...
How to invert a grep expression
The following grep expression successfully lists all the .exe and .html files in the current directory and sub directories.
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Best Practice for Exception Handling in a Windows Forms Application?
...ication. I've read a few C# books now so I've got a relatively good understanding of what language features C# has to deal with exceptions. They're all quite theoretical however so what I haven't got yet is a feel for how to translate the basic concepts into a good exception-handling model in my app...
Django database query: How to get object by id?
...ror exception. What was confusing me was that the code below executed fine and returned a result set as expected:
Class.objects.all()
Tail of the traceback for the get() method:
File "django/db/models/loading.py", line 197, in get_models
self._populate()
File "django/db/models/loading.py", l...
How can I capture the right-click event in JavaScript? [duplicate]
I want to block the standard context menus, and handle the right-click event manually.
2 Answers
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Remove all special characters from a string in R?
How to remove all special characters from string in R and replace them with spaces ?
3 Answers
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Remove white space below image [duplicate]
...laying mysterious 2-3 pixels of white space between the bottom of my image and its border (see below).
9 Answers
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What does Serializable mean?
...that if implemented in a class, this class can automatically be serialized and deserialized by different serializers.
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Using IntelliJ to amend git commit message
...e amend a git commit message using IntelliJ , or should one resort to command line?
9 Answers
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Stack, Static, and Heap in C++
...ese three concepts. When do I have to use dynamic allocation (in the heap) and what's its real advantage? What are the problems of static and stack? Could I write an entire application without allocating variables in the heap?
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