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Cartesian product of x and y array points into single array of 2D points
I have two numpy arrays that define the x and y axes of a grid. For example:
13 Answers
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How do I clear the std::queue efficiently?
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A common idiom for clearing standard containers is swapping with an empty version of the container:
void clear( std::queue<int> &q )
{
std::queue<int> empty;
std::swap( q, empty );
}
It is also the only way of actually clearing th...
How to count number of files in each directory?
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Assuming you have GNU find, let it find the directories and let bash do the rest:
find . -type d -print0 | while read -d '' -r dir; do
files=("$dir"/*)
printf "%5d files in directory %s\n" "${#files[@]}" "$dir"
done
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jquery save json data object in cookie
...ta(JSON.parse($.cookie("basket-data")));
This relies on JSON.stringify() and JSON.parse() to serialize/deserialize your data object, for older browsers (IE<8) include json2.js to get the JSON functionality. This example uses the jQuery cookie plugin
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Replacements for switch statement in Python?
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What if 'a' and 'b' match 1, and 'c' and 'd' match 2?
– John Mee
Apr 9 '10 at 7:57
14
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Looping through array and removing items, without breaking for loop
I have the following for loop, and when I use splice() to remove an item, I then get that 'seconds' is undefined. I could check if it's undefined, but I feel there's probably a more elegant way to do this. The desire is to simply delete an item and keep on going.
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How to install python3 version of package via pip on Ubuntu?
I have both python2.7 and python3.2 installed in Ubuntu 12.04 .
The symbolic link python links to python2.7 .
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Git: Permission denied (publickey) fatal - Could not read from remote repository. while cloning Git
I am unable to clone a Git repository, and getting this error:
30 Answers
30
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Django: “projects” vs “apps”
... ready to build using Django. I'm going to avoid using the terms "project" and "application" in this context, because I'm not clear on their specific meaning in Django.
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Could not execute editor
...have to modify multiple commit messages, but it has happened once or twice and I don't ever remember seeing this. I hope someone else has. When I git rebase -i HEAD~7 , the expected list opens in vi exactly as expected. I change the pick values to edit where appropriate and then :wq .
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