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How to cancel a local git commit

...e changed a file eg: README, added a new line ' this for my testing line ' and saved the file, then I issued the following commands ...
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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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JavaScript pattern for multiple constructors

...ors. If you want a function to behave differently depending on the number and types of parameters you pass to it, you'll have to sniff them manually. JavaScript will happily call a function with more or fewer than the declared number of arguments. function foo(a, b) { if (b===undefined) // par...
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Trigger a button click with JavaScript on the Enter key in a text box

I have one text input and one button (see below). How can I use JavaScript to trigger the button's click event when the Enter key is pressed inside the text box? ...
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How do I clear the std::queue efficiently?

... 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...
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How to count number of files in each directory?

... 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?

... 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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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 ...