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Is there a performance difference between i++ and ++i in C? Even though the performance difference is negligible, and optimized out in many cases - please take note that it's still good practice to use ++i instead of i++ There's absolutely no reason not to, and if your software ever passes through a toolchain that doesn't optimize it out your software will be more efficient Considering it is just as easy to type ++i as it is to type i++, there is
ruby - What do `?i` and `?-i` in regex mean? - Stack Overflow Taken directly from ruby docs The end delimiter for a regexp can be followed by one or more single-letter options which control how the pattern can match pat i - Ignore case pat m - Treat a newline as a character matched by pat x - Ignore whitespace and comments in the pattern pat o -> Perform # {} interpolation only once i, m, and x can also be applied on the subexpression level with
Whats the difference between lt;b gt; and lt;strong gt;, lt;i gt; and lt;em gt;? They have the same effect on normal web browser rendering engines, but there is a fundamental difference between them As the author writes in a discussion list post: Think of three different situations: web browsers blind people mobile phones "Bold" is a style - when you say "bold a word", people basically know that it means to add more, let's say "ink", around the letters until they stand
What is the difference between i++ ++i in a for loop? The way for loop is processed is as follows 1 First, initialization is performed (i=0) 2 the check is performed (i < n) 3 the code in the loop is executed 4 the value is incremented 5 Repeat steps 2 - 4 This is the reason why, there is no difference between i++ and ++i in the for loop which has been used
How do the post increment (i++) and pre increment (++i) operators work . . . You'll need to complete a few actions and gain 15 reputation points before being able to upvote Upvoting indicates when questions and answers are useful What's reputation and how do I get it? Instead, you can save this post to reference later
github - How do I reverse a commit in git? - Stack Overflow I think you need to push a revert commit So pull from github again, including the commit you want to revert, then use git revert and push the result If you don't care about other people's clones of your github repository being broken, you can also delete and recreate the master branch on github after your reset: git push origin :master
How do I force git pull to overwrite local files? How do I force an overwrite of local files on a git pull? My local repository contains a file of the same filename as on the server error: Untracked working tree file 'example txt' would be overw
How do I discard unstaged changes in Git? - Stack Overflow For all unstaged files in current working directory use: git restore For a specific file use: git restore path to file to revert That together with git switch replaces the overloaded git checkout (see here), and thus removes the argument disambiguation If a file has both staged and unstaged changes, only the unstaged changes shown in git diff are reverted Changes shown in git diff --staged