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Java LinkedHashMap get first or last entry

..." entry is possible, but will entail iterating over the whole entry set by calling .next() until you reach the last. while (iterator.hasNext()) { lastElement = iterator.next() } edit: However, if you're willing to go beyond the JavaSE API, Apache Commons Collections has its own LinkedMap implement...
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How do I redirect in expressjs while passing some context?

...B and then query that when you hit the main / route. Another option is to call the post route via AJAX and store the resulting data in localstorage or something similar. – AlbertEngelB Sep 26 '13 at 20:42 ...
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MySQL maximum memory usage

...ndices usage Most MySQL tips on stackoverflow will tell you about 5-8 so called important settings. First off, not all of them matter - e.g. allocating a lot of resources to InnoDB and not using InnoDB doesn't make a lot of sense because those resources are wasted. Or - a lot of people suggest to...
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How to keep the spaces at the end and/or at the beginning of a String?

...nswered Feb 5 '10 at 11:05 duessiduessi 5,42633 gold badges1515 silver badges88 bronze badges ...
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SimpleTest vs PHPunit

...n/the-php-testers-toolbox-osi-days-2011 It mentions stuff like Atoum which calls its self: "A simple, modern and intuitive unit testing framework for PHP!" Full disclosure I've originally written this answer Jan. 2011 where I had no affiliation with any PHP Testing project. Since then I became a co...
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How can I enable or disable the GPS programmatically on Android?

I know that the question about turning on/off GPS programatically on android has been discussed many times , and the answer is always the same: ...
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Understanding the Gemfile.lock file

...gem(s) inturn depends on other gem(s) which is resolved by bundler automatically. Gemfile.lock contain complete snapshot of all the gem(s) in Gemfile along with there associated dependency. When you first call bundle install, it will create this Gemfile.lock and uses this file in all subsequent ca...
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Get Slightly Lighter and Darker Color from UIColor

...ion brings the color closer to the edge in the Brigtness scale - which basically start with black and ends with the pure color... Basically Brightness (Value) makes the color less or more closer to black, where Saturation makes it less or more closer to white... As seen here: So the solution t...
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How do I rename a repository on GitHub?

...ly have to do #2. Let's say your username is someuser and your project is called someproject. Then your project's URL will be1 git@github.com:someuser/someproject.git If you rename your project, it will change the someproject part of the URL, e.g. git@github.com:someuser/newprojectname.git (...
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How do I calculate tables size in Oracle

...ured a statistics gathering job that uses non-default parameters that your call is not using, and will cause Oracle to re-parse queries that utilize the table in question which can be a performance hit. If the DBA has intentionally left some tables without statistics (common if your OPTIMIZER_MODE ...