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What is ?= in Makefile

... @Simon Note that command line arguments to make already override Makefile variables without the need of ?=. – CMCDragonkai Aug 22 '18 at 4:52 ...
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iphone/ipad: How exactly use NSAttributedString?

... It was renamed OHAttributedLabel in a commit in November 2010. I've updated my answer. – Wes Jan 9 '11 at 11:00 ...
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django - query filter on manytomany is empty

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What happens if you call erase() on a map element while iterating from begin to end?

... edited May 23 '17 at 11:54 Community♦ 111 silver badge answered Nov 5 '08 at 0:09 Martin YorkMartin Yor...
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How do you determine which backend is being used by matplotlib?

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Haskell export current module with additional imported module

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Callback of .animate() gets called twice jquery

...n the set you call animate on: If supplied, the start, step, progress, complete, done, fail, and always callbacks are called on a per-element basis... Since you're animating two elements (the html element, and the body element), you're getting two callbacks. (For anyone wondering why the OP is...
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How to create a JavaScript callback for knowing when an image is loaded?

... .complete + callback This is a standards compliant method without extra dependencies, and waits no longer than necessary: var img = document.querySelector('img') function loaded() { alert('loaded') } if (img.complete) { ...
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Multiline strings in VB.NET

... edited Jun 20 at 9:12 Community♦ 111 silver badge answered Nov 4 '09 at 15:14 Vincenzo AlcamoVince...
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C++ template typedef

... @StackedCrooked: Depends on his goals. I avoid inheritance when composition will do (and yeah, inheriting constructors will make both of these easier), but I also avoid composition when a typedef will do. – GManNickG Aug 24 '12 at 14:34 ...