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How does Activity.finish() work in Android?
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Every life cycle event like onCreate, onResume, onPause.... onDestroy of an Activity is always called on a single thread - The "Main thread".
In short this thread is backed by a Queue into which all the activity events are getting ...
Jackson how to transform JsonNode to ArrayNode without casting?
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Yes, the Jackson manual parser design is quite different from other libraries. In particular, you will notice that JsonNode has most of the functions that you would typically associate with array nodes from other API's. As such, you do not need to cast to an ArrayNode to u...
How can I create Min stl priority_queue?
...td::greater. You could write your own functor also instead of std::greater if you like.
– AraK
Mar 13 '10 at 17:45
2
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How to discover number of *logical* cores on Mac OS X?
...lanagan how many physical cores does the machine have and what chip is it? If it's a core i7 with 2 physical cores for example, it will show as 4 because the chip supports hyper-threading and presents itself to the OS as if it has 4 addressable cores.
– jkp
Sep...
Unable to install gem - Failed to build gem native extension - cannot load such file — mkmf (LoadErr
... 12.04
Usually, the solution is:
sudo apt-get install ruby-dev
Or, if that doesn't work, depending on your ruby version, run something like:
sudo apt-get install ruby1.9.1-dev
Should fix your problem.
Still not working? Try the following after installing ruby-dev:
sudo apt-get i...
What is the difference between javac and the Eclipse compiler?
...javac program is wrapped around, or is it a separate compiler altogether? If the latter, why would they reinvent the wheel?
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How do I find all installed packages that depend on a given package in NPM?
...docs.npmjs.com/cli/ls
For example, to see which packages depend on contextify you can run:
npm ls contextify
app-name@0.0.1 /home/zorbash/some-project
└─┬ d3@3.3.6
└─┬ jsdom@0.5.7
└── contextify@0.1.15
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How to fix Array indexOf() in JavaScript for Internet Explorer browsers
If you have worked with JavaScript at any length you are aware that Internet Explorer does not implement the ECMAScript function for Array.prototype.indexOf() [including Internet Explorer 8]. It is not a huge problem, because you can extend the functionality on your page with the following code.
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Text vertical alignment in WPF TextBlock
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Also, the TextBlock can't have a height specified, or it won't center vertically.
– pearcewg
Dec 31 '10 at 21:53
20
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Do you have to put Task.Run in a method to make it async?
...n async method, those "yield" points are await expressions.
This is very different than the term "asynchronous", as (mis)used by the MSDN documentation for years to mean "executes on a background thread".
To futher confuse the issue, async is very different than "awaitable"; there are some async m...