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What is the difference between a map and a dictionary?
I know a map is a data structure that maps keys to values. Isn't a dictionary the same? What is the difference between a map and a dictionary 1 ?
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Check whether a path is valid in Python without creating a file at the path's target
I have a path (including directory and file name).
I need to test if the file-name is a valid, e.g. if the file-system will allow me to create a file with such a name.
The file-name has some unicode characters in it.
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Explode string by one or more spaces or tabs
How can I explode a string by one or more spaces or tabs?
10 Answers
10
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Create directories using make file
I'm a very new to makefiles and i want to create directories using makefile. My project directory is like this
9 Answers
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Can a shell script set environment variables of the calling shell? [duplicate]
I'm trying to write a shell script that, when run, will set some environment variables that will stay set in the caller's shell.
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How to declare an ArrayList with values? [duplicate]
ArrayList or List declaration in Java has questioned and answered how to declare an empty ArrayList but how do I declare an ArrayList with values?
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how to iterate through dictionary in a dictionary in django template?
My dictionary looks like this(Dictionary within a dictionary):
3 Answers
3
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In Objective-C why should I check if self = [super init] is not nil?
I have a general question about writing init methods in Objective-C.
9 Answers
9
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Creating an object: with or without `new` [duplicate]
This is probably a basic question, and might have already been asked (say, here ); yet I still don't understand it. So, let me ask it.
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Delete rows from a pandas DataFrame based on a conditional expression involving len(string) giving K
...and I want to delete rows from it where the length of the string in a particular column is greater than 2.
6 Answers
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