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Regex (grep) for multi-line search needed [duplicate]

...ine at the end of line, substituting it for null character. That is, grep knows where end of line is, but sees the input as one big line. -o print only matching. Because we're using -z, the whole file is like a single big line, so if there is a match, the entire file would be printed; this way it w...
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What are Transient and Volatile Modifiers?

...to them." Your sentence suggest that threads don't have access by default. Now I read the link and the other answer I understand: compiler don't do any kind of thread-specific intermediate storage of the variable so other threads can see the changes inmediatly. – helios ...
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Ruby on Rails: how do I sort with two columns using ActiveRecord?

... Thank you @Erik - I know this answer is old so here's my warning for those seeing it now: This method has been deprecated starting Rails 3.2. Use Thing.all instead =) – Abdo Mar 5 '13 at 9:18 ...
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How to determine height of UICollectionView with FlowLayout

... Whoa! For some reason, after hours of research, I now found a pretty easy answer to my question: I was completely searching in the wrong place, digging through all the documentation I could find on UICollectionView. The simple and easy solution lies in the underlying layout...
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How to define an empty object in PHP

...e creating a new one. The problem that needs fixing is that people should know what stdClass does. – Pacerier Mar 25 '15 at 5:04 2 ...
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Color in git-log

... Shahar (upvoted), git 1.8.3 offers one more option: git log –format now sports a %C(auto) token that tells Git to use color when resolving %d (decoration), %h (short commit object name), etc. for terminal output. This Atlassian blog post comments that this feature is part of several others ...
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Why an interface can not implement another interface?

...{ public boolean Barks(); public boolean isGoldenRetriever(); } Now, if a class were to implement this interface, this is what it would look like: public class SomeClass implements Dog { public boolean Barks{ // method definition here } public boolean isGoldenRetriever{...
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Easy way to prevent Heroku idling?

...nothing else, use a cron job to ping your site, and disable the check for known low-use periods (ie, overnight) to ensure Heroku doesn't do away with the free tier for everyone else. share | improve...
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Why exactly is eval evil?

I know that Lisp and Scheme programmers usually say that eval should be avoided unless strictly necessary. I’ve seen the same recommendation for several programming languages, but I’ve not yet seen a list of clear arguments against the use of eval . Where can I find an account of the potentia...
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Xcode doesn't show the line that causes a crash

...appened, or turn it ON to see where it happened, but with not WHY. Anyone know how to have both? – Gabriel Jensen Oct 1 '14 at 20:56 ...