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stopPropagation vs. stopImmediatePropagation

...portant here! $("p").click(function(event) { // This function will now trigger $(this).css("background-color", "#f00"); }); $("p").click(function(event) { event.stopImmediatePropagation(); }); <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js">&l...
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Difference between Covariance & Contra-variance

...s T → IE<T>. Notice that this is a "thin arrow". With me so far? Now let's consider a relation. There is an assignment compatibility relationship between pairs of types in the first set. A value of type Tiger can be assigned to a variable of type Animal, so these types are said to be "assi...
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What is the reason not to use select *?

...tle differently. Brittle is normally defined as 'breaks easily'. Having unknown or hard-to-find dependencies because each piece of code will use different columns means I can't easily change anything at the data level without full regression .. which seems brittle. – Robert Pau...
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How and/or why is merging in Git better than in SVN?

... are not compared with their common ancestor. To mitigate this Subversion now stores meta data for branch and merge. That would solve all problems right? And oh, by the way, Subversion still sucks… On a centralized system, like subversion, virtual directories suck. Why? Because everyone has acc...
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How to check for valid email address? [duplicate]

...g it even a little tighter. Seems safe to limit TLD to alphanumeric right now (still haven't seen a TLD that has non-ASCII chars). Using this now: re.compile(r"[^@\s]+@[^@\s]+\.[a-zA-Z0-9]+$") – gaefan Aug 29 '15 at 15:39 ...
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how can I add the aidl file to Android studio (from the in-app billing example)

...ng to the directory App_name/app/src/main/aidl/com/android/vending/billing Now go ahead with InApp billing coding and while defining InApp related services you will get an error can not resolve symbol IInAppBillingXXXXXX Now goto to Build from android studio menu , click on Rebuild Project. This wil...
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What does “dereferencing” a pointer mean?

...ate, see "More about memory addresses, and why you probably don't need to know" at the end of this answer. When you want to access the data/value in the memory that the pointer points to - the contents of the address with that numerical index - then you dereference the pointer. Different computer...
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How do JavaScript closures work?

How would you explain JavaScript closures to someone with a knowledge of the concepts they consist of (for example functions, variables and the like), but does not understand closures themselves? ...
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Why is Magento so slow? [closed]

...ply the DB writes stalling due to some badly written SQL, but I do realise now that there is much more going on behind the scenes that initially expected. As a note: caching was disabled due to products being added by the shop owner. When cache was on he complained of products not appearing forcing ...
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Executing periodic actions in Python [duplicate]

...ghtly: import datetime, threading def foo(): print datetime.datetime.now() threading.Timer(1, foo).start() foo() Its output looks like this: 2013-08-12 13:05:36.483580 2013-08-12 13:05:37.484931 2013-08-12 13:05:38.485505 2013-08-12 13:05:39.486945 2013-08-12 13:05:40.488386 2013-08-12...