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How to remove a key from a Python dictionary?
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Nicolas Gervais
13.3k77 gold badges3434 silver badges5656 bronze badges
answered Jun 30 '12 at 20:29
Sven MarnachSven Marnach
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What is the difference between loose coupling and tight coupling in the object oriented paradigm?
Can any one describe the exact difference between loose coupling and tight coupling in Object oriented paradigm?
16 Answers...
Call a python function from jinja2
... on preventing me from making a function call, and insists I repeat myself by copying the function into a template as a macro.
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filter for complete cases in data.frame using dplyr (case-wise deletion)
Is it possible to filter a data.frame for complete cases using dplyr? complete.cases with a list of all variables works, of course. But that is a) verbose when there are a lot of variables and b) impossible when the variable names are not known (e.g. in a function that processes any data.frame).
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Deleting all pending tasks in celery / rabbitmq
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Dag Høidahl
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answered Aug 23 '11 at 1:20
Philip SouthamPhilip Southam
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All permutations of a Windows license key
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The simplest way is the use of shell expansion:
$ echo MPP6R-09RXG-2H{8,B}MT-{B,8}K{H,N}M9-V{6,G}C8R
MPP6R-09RXG-2H8MT-BKHM9-V6C8R
MPP6R-09RXG-2H8MT-BKHM9-VGC8R
MPP6R-09RXG-2H8MT-BKNM9-V6C8R
MPP6R-09RXG-2H8MT-BKNM9-VGC8R
MPP6R-09RXG-2H8MT-8KHM9-V6C8R
MPP6R-09RXG-2H8MT-8KHM9-VGC8R
MPP6R-09RXG-2H8M...
Best practices for exception management in Java or C# [closed]
...would prefer error codes over exceptions when the latter is the default in both Java and C#?
As for your questions:
You should only catch exceptions that you can actually handle. Just
catching exceptions is not the right thing to do in most cases.
There are a few exceptions (e.g. logging and mar...
Resizing an image in an HTML5 canvas
I'm trying to create a thumbnail image on the client side using javascript and a canvas element, but when I shrink the image down, it looks terrible. It looks as if it was downsized in photoshop with the resampling set to 'Nearest Neighbor' instead of Bicubic. I know its possible to get this to lo...
Difference between array_map, array_walk and array_filter
What exactly is the difference between array_map , array_walk and array_filter . What I could see from documentation is that you could pass a callback function to perform an action on the supplied array. But I don't seem to find any particular difference between them.
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SQL RANK() versus ROW_NUMBER()
I'm confused about the differences between these. Running the following SQL gets me two idential result sets. Can someone please explain the differences?
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