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Jar Mismatch Found 2 versions of android-support-v4.jar in the dependency list
...rong.
Step #2: Pick one of those two versions of the JAR, or pick the one from the "extras" area of your SDK installation.
Step #3: Put the right JAR in App Library.
Step #4: Delete the one from App Free, since it will pick up that JAR from App Library.
You are welcome to instead have the same a...
Git submodule head 'reference is not a tree' error
...lid commit: the submodule commit remained local and when I try to fetch it from another repo I get:
13 Answers
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How to remove RVM (Ruby Version Manager) from my system
How can I remove RVM (Ruby Version Manager) from my system?
13 Answers
13
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Python circular importing?
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The easiest way to do so is to use import my_module syntax, rather than from my_module import some_object. The former will almost always work, even if my_module included imports us back. The latter only works if my_object is already defined in my_module, which in a circular import may not be the ...
Passing command line arguments to R CMD BATCH
I have been using R CMD BATCH my_script.R from a terminal to execute an R script. I am now at the point where I would like to pass an argument to the command, but am having some issues getting it working. If I do R CMD BATCH my_script.R blabla then blabla becomes the output file, rather th...
Rolling or sliding window iterator?
...There's one in an old version of the Python docs with itertools examples:
from itertools import islice
def window(seq, n=2):
"Returns a sliding window (of width n) over data from the iterable"
" s -> (s0,s1,...s[n-1]), (s1,s2,...,sn), ... "
it = iter(seq)
res...
Remove last item from array
...orrectly, @PrithvirajMitra wants two things: 1) To remove the last element from the original array, and 2) return that element as a single element array - ie: [0,1,2] -> [2], leaving behind [0,1]. If that's the case, then [arr.pop()] will do the trick.
– Ben Hull
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How to kill an Android activity when leaving it so that it cannot be accessed from the back button?
...s stale and I want to remove it completely so it can not be accessed again from the back button.
9 Answers
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Can anyone explain python's relative imports?
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You are importing from package "sub". start.py is not itself in a package even if there is a __init__.py present.
You would need to start your program from one directory over parent.py:
./start.py
./pkg/__init__.py
./pkg/parent.py
./pkg/sub...
ReactJS state vs prop
...allbacks down to the children that need to modify your data, and call them from the child component.
Modifying this.props or this.state directly is not a good idea, because React will not be able to pick up on the changes. That's because React does a shallow comparison of your post prop to determin...