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What is the pythonic way to avoid default parameters that are empty lists?
Sometimes it seems natural to have a default parameter which is an empty list. Yet Python gives unexpected behavior in these situations .
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Linux command or script counting duplicated lines in a text file?
If I have a text file with the following conent
8 Answers
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How to paste over without overwriting register
Does anyone know of a way to paste over a visually selected area without having the selection placed in the default register?
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What Automatic Resource Management alternatives exist for Scala?
...many examples of ARM (automatic resource management) on the web for Scala. It seems to be a rite-of-passage to write one, though most look pretty much like one another. I did see a pretty cool example using continuations, though.
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How to check if a variable is a dictionary in Python?
...for ele in d.values():
if isinstance(ele,dict):
for k, v in ele.items():
print(k,' ',v)
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Why does Go have a “goto” statement
...ys been taught that 'goto' statements are a thing of the past and evil for it occludes the actual flow of a program, and that functions or methods are always a better way of controlling flow.
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Dynamically updating plot in matplotlib
...there a way in which I can update the plot just by adding more point[s] to it...
There are a number of ways of animating data in matplotlib, depending on the version you have. Have you seen the matplotlib cookbook examples? Also, check out the more modern animation examples in the matplotlib docum...
Backup/Restore a dockerized PostgreSQL database
... to backup/restore a PostgreSQL database as is explained on the Docker website, but the data is not restored.
10 Answers
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如何获取IE (控件)的所有链接（包括Frameset, iframe） - 其他 - 清泛IT社...
...sp; if(pFramesCollection->item(&varindex, &varresult) ==S_OK)
{
lpDispatc...
Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?
...while reading the brilliant answer by Mysticial to the question: why is it faster to process a sorted array than an unsorted array ?
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