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structure vs class in swift language

...e is changed, the instance referenced by both variables is updated. Bob is now Sue, everywhere that Bob was ever referenced. class SomeClass { var name: String init(name: String) { self.name = name } } var aClass = SomeClass(name: "Bob") var bClass = aClass // aClass and bClass...
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Semantic Issue: Property's synthesized getter follows Cocoa naming convention for returning 'owned'

... to synthesize it in the .m file (I have done this before with no issues). Now, I came across this: "Semantic Issue: Property's synthesized getter follows Cocoa naming convention for returning 'owned' objects." ...
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Centering a background image, using CSS

...the server to do it, but used an imagehosting site, but still check it out now – X10nD Apr 15 '10 at 8:03  |  show 5 more comments ...
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Best way to merge two maps and sum the values of same key?

... The shortest answer I know of that uses only the standard library is map1 ++ map2.map{ case (k,v) => k -> (v + map1.getOrElse(k,0)) } share | ...
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MySQL: multiple tables or one table with many columns?

...r if I separate the tables in this manner to improve the performance? I'll now go read about the wiki that you mentioned :) – Xavier_Ex Mar 19 '12 at 17:45 ...
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“Conversion to Dalvik format failed with error 1” on external JAR

...erly build it. In other ways this may be occurred if you accidentally or knowingly edit/ add any thing in the class path file manually .In certain cases we may add android.jar path manually to classpath file for generating java doc.On removing the that after javadoc generated code will works fine.P...
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Can I change all my http:// links to just //?

...und from my logs instances of what seem to be web spider robots (source unknown) trying to use the protocol-less links and not handling them correctly as well. – Kzqai Oct 13 '11 at 16:25 ...
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#define macro for debug printing in C?

...() in the example — to handle things like 'stderr'. It requires you to know how to write varargs functions, but that isn't hard: #include <stdarg.h> #include <stdio.h> void dbg_printf(const char *fmt, ...) { va_list args; va_start(args, fmt); vfprintf(stderr, fmt, args);...
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What's wrong with overridable method calls in constructors?

...s.levels = levels; this.isAdjustable = isAdjustable; } } And now you can do any of the following: new Telescope("X/1999"); new Telescope("X/1999", 13); new Telescope("X/1999", 13, true); You can't, however, currently set only the name and isAdjustable, and leaving levels at default....
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How to link Docker services across hosts?

...m is not very intuitive), so this is something to keep in mind. Swarm is now in beta phase. Until recently, the Ambassador Pattern was the only Docker-native approach to remote-host service discovery. This pattern can still be used and doesn't require any magic beyond plain Docker in that the ...