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How to declare and add items to an array in Python?
... For lists or arrays, you need [].
To initialize an empty list do this:
my_list = []
or
my_list = list()
To add elements to the list, use append
my_list.append(12)
To extend the list to include the elements from another list use extend
my_list.extend([1,2,3,4])
my_list
--> [12,1,2,3,4...
How can I handle R CMD check “no visible binding for global variable” notes when my ggplot2 syntax i
...throwing NOTES, not Warnings. I'm terribly sorry for the confusion. It was my oversight.
6 Answers
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trying to align html button at the center of the my page [duplicate]
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See my edit, and this fiddle: You should be able to grab that CSS and put it inline: jsfiddle.net/7Laf8
– Mohamad
Aug 3 '12 at 16:05
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bootstrap modal removes scroll bar
When I trigger a modal view in my page it triggers the scroll bar to disappear. It's an annoying effect because the background page starts moving when the modal moves in / disappears. Is there a cure for that effect?
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Android - startActivityForResult immediately triggering onActivityResult
I am launching activities from the main activity in my app using the call startActivityForResult(intent, ACTIVITY_TYPE) , and they are all working but one.
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Git error when trying to push — pre-receive hook declined
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You should ask whoever maintains the repo at git@mycogit/cit_pplus.git.
Your commits were rejected by the pre-receive hook of that repo (that's a user-configurable script that is intended to analyze incoming commits and decide if they are good enough to be accepted into th...
How to set downloading file name in ASP.NET Web API
In my ApiController class, I have following method to download a file created by server.
9 Answers
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Where is my .vimrc file?
I have been using Vim , and I would really like to save my settings. The problem I am having is that I cannot find my .vimrc file, and it is not in the standard /home/user/.vimrc location. How might I find this file?
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How to check whether a file is empty or not?
...en you could try this:
>>> with open('New Text Document.txt') as my_file:
... # I already have file open at this point.. now what?
... my_file.seek(0) #ensure you're at the start of the file..
... first_char = my_file.read(1) #get the first character
... if not first_char:
...
List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
While using new_list = my_list , any modifications to new_list changes my_list everytime. Why is this, and how can I clone or copy the list to prevent it?
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