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Difference between var_dump,var_export & print_r

What is the difference between var_dump , var_export and print_r ? 2 Answers 2 ...
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How can I check if a background image is loaded?

...on't think there's such a thing as browser memory where assets are stored. If you're referring to cache, remember that you're adding an extra HTTP request and all clients might not have cache enabled. – HyderA Feb 20 '11 at 17:09 ...
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Authentication versus Authorization

What's the difference in context of web applications? I see the abbreviation "auth" a lot. Does it stand for auth -entication or auth -orization? Or is it both? ...
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Why do I need to do `--set-upstream` all the time?

...h and one on the remote explicitly. It's just a shame that the rules are different for git push and git pull. 1 It may sound silly, but I very frequently forget to specify the current branch, assuming that's the default - it's not, and the results are most confusing :) Update 2012-10-11: Appare...
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Best content type to serve JSONP?

I have a webservice that when called without specifying a callback will return a JSON string using application/json as the content type. ...
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Xcode stuck on Indexing

...ecause Xcode got stucked on "Indexing". I can't Build the project anymore. If I try to build, Xcode freezes and I have to force quit. This happens only with this project. ...
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Is it possible to cast a Stream in Java 8?

... @LordOfThePigs Yes it works although I am not sure if the code gets clearer. I have added the idea to my answer. – assylias Jun 22 '14 at 22:38 40 ...
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Difference between constituency parser and dependency parser

What is the difference between a constituency parser and a dependency parser ? What are the different usages of the two? ...
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How can I convert immutable.Map to mutable.Map in Scala?

... the CanBuildFrom mechanism, and so has the potential to be more efficient if library code was written to take advantage of this: val m = collection.immutable.Map(1->"one",2->"Two") val n = collection.mutable.Map(m.toSeq: _*) This works because a Map can also be viewed as a sequence of Pai...
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Limit ggplot2 axes without removing data (outside limits): zoom

If you specify axis limits in ggplot the outlying points are removed. This is fine for points, but you might want to plot lines that intersect with the specified range, but ggplot's range or xlim/ylim methods removes these. Is there another way to specify the plot axis range without removing o...