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What does the “+” (plus sign) CSS selector mean?

... So essentially in your example it will match the first <p> after <h1>, but would it also match that same <p> if it came before <h1>? Or is it only after? – Vincent Jan 2 '...
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How to use Git?

... who spends most of his spare time watching TV rather than coding. So basically I have zero experience with any kind of version control system. My understanding is somehow they make distribution of projects easier. ...
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rejected master -> master (non-fast-forward)

I'm trying to push my project (all files in a new repository). I follow the steps but when I push with git push -u origin master I get this error: ...
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PostgreSQL Autoincrement

...other integer data type, such as smallint. Example : CREATE SEQUENCE user_id_seq; CREATE TABLE user ( user_id smallint NOT NULL DEFAULT nextval('user_id_seq') ); ALTER SEQUENCE user_id_seq OWNED BY user.user_id; Better to use your own data type, rather than user serial data type. ...
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How to get started on TDD with Ruby on Rails? [closed]

...the concepts (took testing classes in college), but I am not sure how to really use them yet since I never worked on a "real" TDD project. ...
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Scatterplot with too many points

...;- data.frame(x = rnorm(5000),y=rnorm(5000)) ggplot(df,aes(x=x,y=y)) + geom_point(alpha = 0.3) Another convenient way to deal with this is (and probably more appropriate for the number of points you have) is hexagonal binning: ggplot(df,aes(x=x,y=y)) + stat_binhex() And there is also regula...
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Object.watch() for all browsers?

...s answer I gave to a similar question works fine here) I have created a small object.watch shim for this a while ago. It works in IE8, Safari, Chrome, Firefox, Opera, etc. share | improve this answ...
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git: fatal unable to auto-detect email address

...--global user.email "you@example.com" Already been asked: Why Git is not allowing me to commit even after configuration? To be sure Run: $ git config --local -l share | improve this answer ...
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Collection was modified; enumeration operation may not execute

... Is that a complete example? I have a class (_dictionary obj below) that contains a generic Dictionary<string,int> named MarkerFrequencies, but doing this didn't instantly solve the crash: lock (_dictionary.MarkerFrequencies) { foreach (KeyValuePair<string, int...
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How to terminate a window in tmux?

... This works fine: Ctrl+b &, note, that you have to confirm with y to really kill the current window incluning all panes in that window. You will get be placed inside the window that you used last before that. – rubo77 Sep 1 '16 at 5:02 ...