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Why was “Avoid Enums Where You Only Need Ints” removed from Android's performance tips?

...d your credentials in your SO profile. It took me some digging around. But now that I see that you seem to work on the VM team, I'll accept your answer as the official answer. :) – Thierry-Dimitri Roy Mar 11 '11 at 18:03 ...
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Intent - if activity is running, bring it to front, else start a new one (from notification)

... altogether, I suggest you post that as it's own question, I don't really know the answer unfortunately. – Franco Feb 5 at 1:30  |  show 2 mor...
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Javascript library for human-friendly relative date formatting [closed]

... Since I wrote this answer, a well known library available is moment.js. There are libraries available, but it is trivial to implement it yourself. Just use a handful of conditions. Assume date is an instantiated Date object for the time you want to make a ...
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What is null in Java?

...ify: Uninitialized state Termination condition Non-existing object An unknown value How is it represented in the memory? In Java? None of your concern. And it's best kept that way. Is null a good thing? This is now borderline subjective. Some people say that null causes many programme...
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C++ Returning reference to local variable

...dies, making the reference returned from the function worthless because it now refers to an object that doesn't exist. int main() { int& p = func1(); /* p is garbage */ } The second version does work because the variable is allocated on the free store, which is not bound to the lifeti...
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How can I get the latest JRE / JDK as a zip file rather than EXE or MSI installer? [closed]

... Update: PortableApps now offers a portable version of the Java JDK. – Stevoisiak Sep 5 '17 at 17:03  |...
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Git push failed, “Non-fast forward updates were rejected”

... This command worked me, however I'd like to know, why this doesn't: git pull? The remote is equal to origin, so it actually runs: git pull origin. Shouldn't it update all the branches? – Karlen Kishmiryan Apr 15 '15 at 13:35 ...
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Unpacking, extended unpacking and nested extended unpacking

...the length of this post, but I decided to opt for completeness. Once you know a few basic rules, it's not hard to generalize them. I'll do my best to explain with a few examples. Since you're talking about evaluating these "by hand," I'll suggest some simple substitution rules. Basically, you might...
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Does ruby have real multithreading?

I know about the "cooperative" threading of ruby using green threads . How can I create real "OS-level" threads in my application in order to make use of multiple cpu cores for processing? ...
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This app won't run unless you update Google Play Services (via Bazaar)

...nt. (The comment is from Zhelyazko Atanasov yesterday at 23:18, I don't know how to link directly to it) Also, you don't see the "(via Bazaar)" part when running from an actual device, and the update button open the Play Store. I am assuming Bazaar is meant to provide Google Play Services on the ...