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Dynamically set local variable [duplicate]
...Function locals can be optimised for speed because the compiler (usually) knows all the names in advance, so there isn't a dictionary until you call locals().
In the C implementation of Python locals() (called from inside a function) creates an ordinary dictionary initialised from the current value...
How to detect a loop in a linked list?
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You can make use of Floyd's cycle-finding algorithm, also known as tortoise and hare algorithm.
The idea is to have two references to the list and move them at different speeds. Move one forward by 1 node and the other by 2 nodes.
If the linked list has a loop they
will definitel...
Absolute vs relative URLs
I would like to know the differences between these two types of URLs: relative URLs (for pictures, CSS files, JS files, etc.) and absolute URLs.
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Android Studio Editor Font Sizing
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Wow, as of now this question has almost 31k views. The UI was so bad that they confused 31,000 programmers!
– localhost
Feb 12 '16 at 11:28
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Export a graph to .eps file with R
... a .pdf file (using the 'pdf' function), and it works quite well. However, now I have to export to .eps files.
5 Answers
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How do I convert dates in a Pandas data frame to a 'date' data type?
...oing
df['time'] = pd.to_datetime(df['time'])
Throws a
ValueError: Unknown string format
That means you have invalid (non-coercible) values. If you are okay with having them converted to pd.NaT, you can add an errors='coerce' argument to to_datetime:
df['time'] = pd.to_datetime(df['time'], e...
How do I open links in Visual Studio in my web browser and not in Visual Studio?
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2019 Update: All the answers are old. There's now a native way to do this in options in VS2019 Community:
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C# Error: Parent does not contain a constructor that takes 0 arguments
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@JuanCarlosOropeza The basic reason is that, up until now, there was no need for a parameterless parent constructor, so the assumption would be that consumers of the class don't need one. Since we really only want one for the sake of any deriving classes, protected is the sensib...
Why can't I overload constructors in PHP?
...being able to overload my constructors in PHP, so what I'd really like to know is why .
14 Answers
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TFS Get Specific Version into separate folder
...ver to this new workspace and do a Get Specific Version here.
Makes sense now, I just hadn't ever tried that.
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