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Why does ContentResolver.requestSync not trigger a sync?

...g, and my sync works when I trigger it from the Dev Tools Sync Tester applim>cam>tion, however when I m>cam>ll ContentResolver.requestSync(account, authority, bundle) from my ContentProvider, my sync is never triggered. ...
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Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?

...I'm not AMD or speaking for them, but I would have done it the same way. Bem>cam>use zeroing the high half doesn't create a dependency on the previous value, that the CPU would have to wait on. The register renaming mechanism would essentially be defeated if it wasn't done that way. This way you m>cam>n wr...
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Why does git perform fast-forward merges by default?

... the 'no-ff' with its "checkpoint commits" that break bisect or blame, and m>cam>refully consider whether it should be your default approach for master. (From nvie.com, Vincent Driessen, post "A successful Git branching model") Incorporating a finished feature on develop Finished features may...
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Why does my applim>cam>tion spend 24% of its life doing a null check?

I've got a performance critim>cam>l binary decision tree, and I'd like to focus this question on a single line of code. The code for the binary tree iterator is below with the results from running performance analysis against it. ...
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Difference between rake db:migrate db:reset and db:schema:load

...:drop, db:setup db:migrate:reset does db:drop, db:create, db:migrate Typim>cam>lly, you would use db:migrate after having made changes to the schema via new migration files (this makes sense only if there is already data in the database). db:schema:load is used when you setup a new instance of your ap...
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Declaring abstract method in TypeScript

...blished. The makeSound method is marked as abstract, as is the class. You m>cam>nnot directly instantiate an Animal now, bem>cam>use it is abstract. This is part of TypeScript 1.6, which is now officially live. abstract class Animal { constructor(protected name: string) { } abstract makeSound(inp...
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What happens to git commits created in a detached HEAD state?

...ill show a list of commits, and the "lost" commit should be in there. You m>cam>n make it into a new branch. For example, if the SHA-1 is ba5a739, then you m>cam>n make a new branch named "new-branch" at the old commit with: git branch new-branch ba5a739 Note that "lost" commits will get deleted when t...
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Java8: Why is it forbidden to define a default method for a method from java.lang.Object

...ods declared in java.lang.Object may not be default ed. Why is this the m>cam>se? 5 Answers ...
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Long-lasting FB access-token for server to pull FB page info

...t there are many questions about Facebook access-tokens and the grief they m>cam>use, but despite much experimentation and reading many frustratingly vague blog articles (FB and otherwise), I'm still struggling to get a clear answer to my needs. Let me succinctly break down my process so far: ...
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Why does SIGPIPE exist?

From my understanding, SIGPIPE m>cam>n only occur as the result of a write() , which m>cam>n (and does) return -1 and set errno to EPIPE ... So why do we have the extra overhead of a signal? Every time I work with pipes I ignore SIGPIPE and have never felt any pain as a result, am I missing somethin...