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In plain English, what does “git reset” do?
... easiest to understand, probably. All of your local changes get clobbered. One primary use is blowing away your work but not switching commits: git reset --hard means git reset --hard HEAD, i.e. don't change the branch but get rid of all local changes. The other is simply moving a branch from one pl...
Representing graphs (data structure) in Python
How can one neatly represent a graph in Python ? (Starting from scratch i.e. no libraries!) What data structure (e.g. dicts/tuples/dict(tuples)) will be fast but also memory efficient? One must be able to do various graph operations on it.
As pointed out, the various graph representations...
Eclipse git checkout (aka, revert)
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This can be done via the context menu "Replace with/File in Git index" on the file in package view.
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Change date of git tag (or GitHub Release based on it)
...TTER_DATE="$(git show --format=%aD | head -1)" git tag -a $tag -m"$tag"`; done; git push --tags
– Phrogz
Feb 13 '14 at 3:14
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What are the differences between B trees and B+ trees?
...es are linked, so doing a full scan of all objects in a tree requires just one linear pass through all the leaf nodes. A B tree, on the other hand, would require a traversal of every level in the tree. This full-tree traversal will likely involve more cache misses than the linear traversal of B+ lea...
How to make blinking/flashing text with CSS 3
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Just noticed that this, applied to one text element, consumes ridiculous amount of CPU on my computer using firefox. Beware.
– Alex
Sep 10 '14 at 9:00
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Unique Key constraints for multiple columns in Entity Framework
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@JJS - I got it to work where one of the properties was a foreign key.. by any chance is your key a varchar or nvarchar? There is a limit to the length of which can be used as a unique key.. stackoverflow.com/questions/2863993/…
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Should __init__() call the parent class's __init__()?
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If you need something from super's __init__ to be done in addition to what is being done in the current class's __init__, you must call it yourself, since that will not happen automatically. But if you don't need anything from super's __init__, no need to call it. Example:
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How do you design object oriented projects? [closed]
...d taking a course on object oriented design in Java. There is an excellent one published on UDEMY udemy.com/mastering-object-oriented-design-in-java/…. I think that can certainly help you. Another great resource is to try the ATM object oriented problem. You can google that.
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Why should eval be avoided in Bash, and what should I use instead?
...printf "$1\n" "${@:2}"
}
function error
{
# Send the first element as one argument, and the rest of the elements as a combined argument.
# Arguments to println:
# 1 -> '\e[31mError (%d): %s\e[m'
# 2 -> "$1"
# 3 -> "${*:2}"
println '\e[31mError (%d): %s\e[m' "...