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Git - Undo pushed commits
...I've been making some commited changes already pushed to remote and pulled from the server. Now, I want to undo those changes. So I could just git checkout to the commit before the changes and commit the new changes, but I'm guessing that there will be problems to push them again to remote. Any su...
How do I prompt a user for confirmation in bash script? [duplicate]
...g longer strings. In this case they help reinforce the one-character limit set in the read command.
The negated form uses the logical "not" operator (!) to match (=~) any character that is not "Y" or "y". An alternative way to express this is less readable and doesn't as clearly express the intent i...
How to display an unordered list in two columns?
... $(columns.get(column)).append(el);
});
}
function setupColumns(){
columnItems.detach();
while (column++ < initialContainer.data('columns')){
initialContainer.clone().insertBefore(initialContainer);
column++;
}
column...
Re-open *scratch* buffer in Emacs?
... answer) -- if you create a buffer called *scratch* the major mode will be set according to the initial-major-mode variable (lisp-interaction-mode by default).
– phils
Jan 11 '11 at 21:23
...
Nested defaultdict of defaultdict
... defaultdict(lambda: defaultdict(list)) or defaultdict(lambda: defaultdict(set))
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How can I improve my paw detection?
... i in range(4)]
[ax.add_patch(rect) for rect in rects]
title = ax.set_title('Time 0.0 ms')
# Process and display each frame
for time, frame in infile:
paw_slices = find_paws(frame)
# Hide any rectangles that might be visible
[rect.set_visible(False) for rec...
What's a concise way to check that environment variables are set in a Unix shell script?
...shell scripts where I need to check that certain environment variables are set before I start doing stuff, so I do this sort of thing:
...
What does cmd /C mean? [closed]
...utput of internal commands to a pipe or file to be
Unicode
/T:fg Sets the foreground/background colors (see COLOR /? for more info)
/E:ON Enable command extensions (see below)
/E:OFF Disable command extensions (see below)
/F:ON Enable file and directory name completion characters (see...
Why doesn't .NET/C# optimize for tail-call recursion?
I found this question about which languages optimize tail recursion. Why C# doesn't optimize tail recursion, whenever possible?
...
What’s the difference between “Array()” and “[]” while declaring a JavaScript array?
...ined
;
Another difference is that when using new Array() you're able to set the size of the array, which affects the stack size. This can be useful if you're getting stack overflows (Performance of Array.push vs Array.unshift) which is what happens when the size of the array exceeds the size of t...