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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 element from an array in JavaScript?
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If you come here from Google: Gabriel prefers this answer, but you should be aware there is also shift(), see Joseph's answer.
– SHernandez
Jul 29 '14 at 21:12
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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...
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...
REST authentication and exposing the API key
...ss it along to the API. Doing so, any other server could request that HTML from the first web server, get the signature out of the response, and use that in the HTML on their own website. (I really think the above post does not answer the question about how a public API key in the HTML can be safe.)...
How do I convert a Vector of bytes (u8) to a string
...rite simple TCP/IP client in Rust and I need to print out the buffer I got from the server.
3 Answers
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What can I do with a moved-from object?
...ndard define precisely what I can do with an object once it has been moved from? I used to think that all you can do with a moved-from object is do destruct it, but that would not be sufficient.
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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...
How can I remove an element from a list?
I have a list and I want to remove a single element from it. How can I do this?
16 Answers
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