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How do you extract a column from a multi-dimensional array?
...ensional arrays. Normal Python lists are single-dimensional too.
However, if you have a simple two-dimensional list like this:
A = [[1,2,3,4],
[5,6,7,8]]
then you can extract a column like this:
def column(matrix, i):
return [row[i] for row in matrix]
Extracting the second column (in...
How to get Spinner value?
...title (as in, the String that is displayed to the user), but not its value if you mapped an int array onto the spinner for example.
– A. Steenbergen
Feb 5 '15 at 13:58
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Vim - how to run a command immediately when starting vim?
...plugins*
5. Set 'shellpipe' and 'shellredir'
6. Set 'updatecount' to zero, if "-n" command argument used
7. Set binary options
8. Perform GUI initializations
9. Read the viminfo file
10. Read the quickfix file
11. Open all windows
12. Execute startup commands
As you can see, your .vimrc will be lo...
Why does Android use Java? [closed]
... phones already used Java ME, so Java was known in the industry
the speed difference is not an issue for most applications; if it was you should code in low-level language
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getApplicationContext(), getBaseContext(), getApplication(), getParent()
What is the difference between:
2 Answers
2
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How do I escape curly braces for display on page when using AngularJS?
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what if the {{value}} is inside of an input tag value?
– Timo Huovinen
Aug 21 '15 at 12:15
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How does one make a Zip bomb?
...n the compressed archive (and putting more nested archives in the archive, if the compression algorithm has a total size limitation) allows you to bypass these limits.
– Blixt
Sep 22 '09 at 12:15
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How to get the second column from command output?
...) is being printed. To help visualize it, this is what it would look like if we wanted to add blank spaces around $2 instead of quotation marks: '{print " "$2" "}'. We can also add format spacing to make it a little easier to grok: '{print " " $2 " "}'
– Tom
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Default visibility for C# classes and members (fields, methods, etc.)?
...sses or structs) can be either public or internal. Internal is the default if no access modifier is specified.
...
The access level for class members and struct members, including nested classes and structs, is private by default.
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interfaces default to internal access.
...
Del...
What's the difference between detaching a Fragment and removing it?
... means you can reuse this fragment by calling the attach method, with a modified ViewHierarchy
Remove means the fragment instance cannot be re-attached. You will have to add it again to the fragment transaction.
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You'll notice that when a Fragment is detached, its onPause, onStop an...