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What is the difference between a deep copy and a shallow copy?
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Here's the wikipedia article that this illustration comes from in case it doesn't make sense out of context for you en.wikipedia.org/wiki/Object_copy#Shallow_copy
– corbin
Nov 7 '13 at 1:59
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Bogus foreign key constraint fail
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from this blog:
You can temporarily disable foreign key checks:
SET FOREIGN_KEY_CHECKS=0;
Just be sure to restore them once you’re done messing around:
SET FOREIGN_KEY_CHECKS=1;
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Nokogiri installation fails -libxml2 is missing
...ora and Nokogiri installs. D'oh!, we need the headers to compile Nokogiri from the devel libraries.
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How to reload/refresh an element(image) in jQuery
Is it possible to reload an image with an identical file name from a server using jQuery?
12 Answers
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Check if a number has a decimal place/is a whole number
...ing to do with 20.0, still has a decimal point and satisfies the above. +1 from me anyway for teaching me something new :)
– Abe Petrillo
Sep 1 '11 at 16:53
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Best way to stress test a website [duplicate]
...e best thing to use a profiler to track a single request and then work out from that if the performance is ok?
9 Answers
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Most efficient way to determine if a Lua table is empty (contains no entries)?
...out even calling any metamethod". (The quote is at the bottom of this page from Programming in Lua on lua.org ). Does that remove the need to avoid __eq overloading for nil?
– SansWit
Dec 23 '19 at 3:45
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What exactly does @synthesize do?
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From the documentation:
You use the @synthesize keyword to tell the compiler that it should synthesize the setter and/or getter methods for the property if you do not supply them within the @implementation block.
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Can I avoid the native fullscreen video player with HTML5 on iPhone or android?
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How to compare binary files to check if they are the same?
...ff 1.bin 2.bin
Binary files 1.bin and 2.bin differ
If there is no output from the command, it means that the files have no differences.
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