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Convert a String representation of a Dictionary to a dictionary?
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1219
Starting in Python 2.6 you can use the built-in ast.literal_eval:
>>> import ast
&g...
Why do we use arrays instead of other data structures?
...an offset, the offset specifies how far in memory to look. This provides O(1) access time.
MyArray [5]
^ ^
Pointer Offset
All other data structures either build upon this, or do not use adjacent memory for storage, resulting in poor random access look up time (Though there are ...
In pure functional languages, is there an algorithm to get the inverse function?
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10 Answers
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Git: Merge a Remote branch locally
...r local branch:
git checkout master
git merge origin/aRemoteBranch
Note 1: For a large repo with a long history, you will want to add the --depth=1 option when you use git fetch.
Note 2: These commands also work with other remote repos so you can setup an origin and an upstream if you are workin...
Is it possible to get the iOS 5.1 SDK for Xcode 4.2 on Snow Leopard?
...2 for iOS development. This morning I upgraded my iPhone and iPad to iOS 5.1.
15 Answers
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Python integer division yields float
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answered Aug 15 '09 at 21:51
Brandon E TaylorBrandon E Taylor
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How to remove gaps between subplots in matplotlib?
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You can use gridspec to control the spacing between axes. There's more information here.
imp...
How to get a value from a cell of a dataframe?
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Multiple levels of 'collection.defaultdict' in Python
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edited Sep 12 '19 at 19:45
StevenWernerCS
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answered ...
Order data frame rows according to vector with specific order
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Try match:
df <- data.frame(name=letters[1:4], value=c(rep(TRUE, 2), rep(FALSE, 2)))
target <- c("b", "c", "a", "d")
df[match(target, df$name),]
name value
2 b TRUE
3 c FALSE
1 a TRUE
4 d FALSE
It will work as long as your target contains exact...