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Ternary operator is twice as slow as an if-else block?

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Android: Storing username and password?

...the frequency of asking for user credentials -- to make phishing attacks more conspicuous, and less likely to be successful. Instead use an authorization token and refresh it. Where possible, username and password should not be stored on the device. Instead, perform initial authenticati...
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How to find time complexity of an algorithm

...ely cut it, but permutations are on that order - it's prohibitively steep, more so than any polynomial or exponential. There are exactly 10! seconds in six weeks but the universe is less than 20! seconds old. – John P Feb 25 '18 at 2:59 ...
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Most efficient way to increment a Map value in Java

...od are significantly faster, in that only they give a performance boost of more than 10%. However, if threading is an issue, AtomicLong might be more attractive than the others (I'm not really sure). I also ran TestForNull with final variables, but the difference was negligible. Note that I haven't...
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Error java.lang.OutOfMemoryError: GC overhead limit exceeded

...r as follows: "It's just like an 'Out of Java Heap space' error. Give it more memory with -Xmx." ? – Tim Cooper Jun 19 '10 at 13:28 61 ...
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Should we use Nexus or Artifactory for a Maven Repo?

...n a disk and only use a DB for storing metadata, it is quite flexible (see more here). What makes those applications very different is their approach towards integration with other build tools and technologies. Nexus and Sonatype are pretty much locked on Maven and m2eclipse. They ignore anything e...
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Bash history without line numbers

...mand was padding the line numbers with spaces and now the cut syntax makes more sense :) Thanks @Keith Thompson for your solution that will work for > 100k histories. – cwd Aug 18 '11 at 16:00 ...
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Android: What is better - multiple activities or switching views manually?

... I would say that multiple Activities almost always makes more sense. I just don't think Android is designed for constantly switching its own views - you miss out on so much. You have to implement Back yourself, you don't get any inter-Activity transitions, you have to implement a...
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how to set radio option checked onload with jQuery

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Concrete Javascript Regex for Accented Characters (Diacritics)

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