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What is the difference between a mutable and immutable string in C#?

...y instance of StringBuilder : var address = new StringBuilder(500); It allocate memory chunk of size 500 bytes for this instance and all operation just modify this memory location and this memory not shared with any other object. And that is the reason why StringBuilder is MUTABLE. I hope it wi...
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How to find a min/max with Ruby

... Punctuation isn't the problem here. An entire heap allocation to get the max of a few values is the underlying ugliness here. – kdbanman Mar 7 '15 at 21:37 ...
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How to pass an ArrayList to a varargs method parameter?

...tions.size()])) (toArray(new WorldLocation[0]) also works, but you would allocate a zero length array for no reason.) Here's a complete example: public static void method(String... strs) { for (String s : strs) System.out.println(s); } ... List<String> strs = new ArrayLi...
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Why is the Android emulator so slow? How can we speed up the Android emulator? [closed]

... I got "Failed to allocate memory" when setting 1024. It also displayed a warning at the bottom of the configuration window saying: "On Windows, emulating RAM greater than 768M may fail dependin..." I Tried setting it to 770, and then it worke...
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Mipmap drawables for icons

...n. * * Note that if the renderer respects this hint it might have to * allocate extra memory to hold the mipmap levels for this bitmap. * * This property is only a suggestion that can be ignored by the * renderer. It is not guaranteed to have any effect. * * @param hasMipMap indicates wheth...
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What is a bus error?

...and are typically the result of: using a pointer to something that was deallocated. using an uninitialized hence bogus pointer. using a null pointer. overflowing a buffer. PS: To be more precise this is not manipulating the pointer itself that will cause issues, it's accessing the memory it poin...
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How many threads can a Java VM support?

...eat: my machine does not have 2583 GB of RAM. Or swap. And the JVM doesn't allocate thread-local heap space. So that can't be it... – benjismith Apr 18 '09 at 20:37 49 ...
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Why are local variables not initialized in Java?

...n, but they aren't related to whether the SomeObject instance was property allocated, then they should go in another try-finally block, probably one that wraps the one I've shown. Requiring variables to be assigned manually before use does not lead to real problems. It only leads to minor hassles, ...
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How do I iterate over a range of numbers defined by variables in Bash?

...done seems to be the most memory-efficient way (it won't be necessary to allocate memory to consume seq's output, which could be a problem if END is very large), although probably not the “fastest”. the initial question eschercycle noted that the {a..b} Bash notation works only with literals...
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hash function for string

...e is roughly 2x the expected number of elements to be stored in the table. Allocating much more than that will make your hash table faster but at rapidly diminishing returns, making your hash table smaller than that will make it exponentially slower. This is because there is a non-linear trade-off b...