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Mercurial — revert back to old version and continue from there

...a placeholder for the revision. It can be its number, its hash, a bookmark and so on. Trevor: this is not dubious because it doesn't merge anything. No need to. – DanMan Jul 23 '16 at 10:19 ...
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MySQL order by before group by

...t the max(post_date) by author is to use a subquery to return the max date and then join that to your table on both the post_author and the max date. The solution should be: SELECT p1.* FROM wp_posts p1 INNER JOIN ( SELECT max(post_date) MaxPostDate, post_author FROM wp_posts WHERE po...
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What is stability in sorting algorithms and why is it important?

...ms are stable by nature like Insertion sort, Merge Sort, Bubble Sort, etc. And some sorting algorithms are not, like Heap Sort, Quick Sort, etc. Background: a "stable" sorting algorithm keeps the items with the same sorting key in order. Suppose we have a list of 5-letter words: peach straw appl...
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Visual Studio 2010 isn't building before a run when there are code changes

...ing F5 (Start Debugging) for years to build the code (if its out of date), and then debug. This was working on VS 2010 also, however today it just start debugging without a build. Say I do a clean on the project, and then hit F5 instead of building it so it can run it throws an error message saying ...
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QLabel: set color of text and background

How do I set color of text and background of a QLabel ? 6 Answers 6 ...
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What are the differences between Clojure, Scheme/Racket and Common Lisp?

...ew, if possible, covering topics such as syntax, characteristics, features and resources. 4 Answers ...
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Why is there no String.Empty in Java?

I understand that every time I type the string literal "" , the same String object is referenced in the string pool. 11 An...
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LF will be replaced by CRLF in git - What is that and is it important? [duplicate]

...ne feed (LF). In windows a line is represented with a carriage return (CR) and a line feed (LF) thus (CRLF). when you get code from git that was uploaded from a unix system they will only have an LF. If you are a single developer working on a windows machine, and you don't care that git automatical...
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How to use double or single brackets, parentheses, curly braces

... In Bash, test and [ are shell builtins. The double bracket, which is a shell keyword, enables additional functionality. For example, you can use && and || instead of -a and -o and there's a regular expression matching operator =~....
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How can I discard remote changes and mark a file as “resolved”?

I have some local files, I pull from remote branch and there are conflicts. I know that I would like to keep my local changes and ignore the remote changes causing conflicts. Is there a command I can use to in effect say "mark all conflicts as resolved, use local"? ...