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Passing enum or object through an intent (the best solution)
...um<T>> Intent.putExtra(victim: T): Intent =
putExtra(T::class.java.name, victim.ordinal)
inline fun <reified T: Enum<T>> Intent.getEnumExtra(): T? =
getIntExtra(T::class.java.name, -1)
.takeUnless { it == -1 }
?.let { T::class.java.enumConstants[it] }
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getResourceAsStream returns null
I'm loading a text file from within a package in a compiled JAR of my Java project. The relevant directory structure is as follows:
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Error: This Android SDK requires Android Developer Toolkit version 22.6.1 or above
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Now at start of ADT i got parseSdkContent failed java.lang.NullPointerException
– Ernest
Mar 24 '14 at 8:06
1
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Virtual functions and performance - C++
...l methods are virtual) is the primary language for the iPhone and freakin' Java is the main language for Android, I think it's pretty safe to use C++ virtual functions on our 3 GHz dual-core towers.
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iOS / Android cross platform development [closed]
I've been playing around with developing Android apps in Java for a while and am starting to get a handle on it. However if I want to on start on an iOS version I need to code everything from scratch - which is, well, undesirable.
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Eclipse: How do you change the highlight color of the currently selected method/expression?
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Very nice. When a Java guy sees "annotations" they immediately think about Java annotations which have nothing to do with this setting. But since it's under the regular TEXT Editor area instead of the Java Editor settings, the term means somet...
List comprehension vs map
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98
Python 2: You should use map and filter instead of list comprehensions.
An objective reason why...
How to get the unique ID of an object which overrides hashCode()?
When a class in Java doesn't override hashCode() ,
printing an instance of this class gives a nice unique number.
10 Answ...
Key existence check in HashMap
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A good link is grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/… (OpenJDK is very strongly derived from the Sun code) and it seems that I'm wrong. I was comparing the version for Java5 with Java6; they work differently in this area (but both are correct, as are th...
Ruby, !! operator (a/k/a the double-bang) [duplicate]
...nswer because it explains WHY. Seems like the same type of hack you see in Java sometimes to convert an int to a String by appending a "" to it (which by the way i am NOT advocating for - I believe this is bad practice in Java). Given that this is bad practice in Java, I don't understand why languag...