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Maximum Java heap size of a 32-bit JVM on a 64-bit OS

... OS, given that 32-bit OSes have a maximum addressable memory size of 4GB, and that the JVM's max heap size depends on how much contiguous free memory can be reserved. ...
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How do I use arrays in C++?

...sed virtually everywhere. C++ provides abstractions that are easier to use and less error-prone ( std::vector<T> since C++98 and std::array<T, n> since C++11 ), so the need for arrays does not arise quite as often as it does in C. However, when you read legacy code or interact with a...
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Google Maps JS API v3 - Simple Multiple Marker Example

...he Google Maps Api. I've got an array of data that I want to cycle through and plot on a map. Seems fairly simple, but all the multi-marker tutorials I have found are quite complex. ...
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Clojure differences between Ref, Var, Agent, Atom, with examples

...here to use Ref, Var, Agent, Atom. I read book, but, still couldn't understand the real world examples. 5 Answers ...
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Is volatile expensive?

...LoadLoad or a LoadStore barrier. Further down the page I see that LoadLoad and LoadStore are effectively no-ops on X86 CPUs. Does this mean that volatile read operations can be done without a explicit cache invalidation on x86, and is as fast as a normal variable read (disregarding the reordering co...
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Database sharding vs partitioning

...two words that keep on showing up with regards to databases are sharding and partitioning . I looked up descriptions but still ended up confused. ...
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On design patterns: When should I use the singleton?

...ptable" reasons to use a Singleton. One reason that tends to come up over and over again on the internets is that of a "logging" class (which you mentioned). In this case, a Singleton can be used instead of a single instance of a class because a logging class usually needs to be used over and over ...
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What is the way to quick-switch between tabs in Xcode 4

... That should be command + shift + ..., I think. At least on my machine. – Chris Ladd Feb 7 '12 at 21:54 1 ...
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Get url parameters from a string in .NET

...ng "google.com/…" doesn't detect the parameter q – Andrew Shepherd Jun 30 '09 at 4:26 @Andrew I confirm. It's strang...
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Rounded UIView using CALayers - only some corners - How?

...the answer over at How do I create a round cornered UILabel on the iPhone? and the code from How is a rounded rect view with transparency done on iphone? to make this code. Then I realized I'd answered the wrong question (gave a rounded UILabel instead of UIImage) so I used this code to change it:...