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Should accessing SharedPreferences be done off the UI Thread?

...lad you're already playing with it! Some things to note: (in lazy bullet form) if this is the worst of your problems, your app's probably in a good spot. :) Writes are generally slower than reads, though, so be sure you're using SharedPreferenced$Editor.apply() instead of commit(). apply() is...
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What is `params.require(:person).permit(:name, :age)` doing in Rails 4?

...are passed into the model. It looks a lot like the whitelisting that was formerly included in ActiveRecord models, but it makes more sense for it to be in the controller. share | improve this answ...
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Why is String.chars() a stream of ints in Java 8?

...(), that gives a stream of boxes characters, which will have some light performance penalty. IntStream unboxedChars(), which would to be used for performance code. However, instead of focusing on why it is done this way currently, I think this answer should focus on showing a way to do it with the...
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How to load JAR files dynamically at Runtime?

... You should take a look at OSGi, e.g. implemented in the Eclipse Platform. It does exactly that. You can install, uninstall, start and stop so called bundles, which are effectively JAR files. But it does a little more, as it offers e.g. services that can be dynamically discovered in JAR files ...
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What does dot (.) mean in a struct initializer?

... Note that I just tried this "dot initialization" type form for C++ using gcc, and it appears that all versions of gcc C++ support it, so I bet it's supported by gcc as a gcc extension, meaning that prior to C++20 I suspect it is not portable necessarily to non-gcc/g++ compilers....
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Naming of enums in Java: Singular or Plural?

... day; public void setDay(Day day) { this.day = day; } } In singular form you see clearly the intention of the day attribute. "day" its the day of the week this appointment is going to be held. Otherwise the signature of the method would have been setDay(Days day) and for sure a lot of people ...
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What is the difference between and ?

...ould be split into sections for an introduction, news items, and contact information. ... The <section> element is not a generic container element. When an element is needed only for styling purposes or as a convenience for scripting, authors are encouraged to use the <div> element inste...
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How to disable typing special characters when pressing option key in Mac OS X? [closed]

...bStorm, NetBeans, Eclipse. Select "Set blank for option key" radio in the form, submit the form, and download a patched keyboard layout with "option" key feature disabled. I'm sharing the working file for standard US English keyboard layout: MacOS <= 10.10 MacOS >= 10.11 After enabling th...
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Is JSON Hijacking still an issue in modern browsers?

...otype.foo and tests initializing arrays and objects via the short and long forms. The ES4 spec, in section 1.5, "requires the global, standard bindings of Object and Array to be used to construct new objects for object and array initializers" and notes in Implementation Precedent that "Internet Exp...
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Is floating point math broken?

... standard. The crux of the problem is that numbers are represented in this format as a whole number times a power of two; rational numbers (such as 0.1, which is 1/10) whose denominator is not a power of two cannot be exactly represented. For 0.1 in the standard binary64 format, the representation ...