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What does = +_ mean in JavaScript

...page on Arithmetic Operators: The unary plus operator precedes its operand and evaluates to its operand but attempts to converts it into a number, if it isn't already. [...] It can convert string representations of integers and floats, as well as the non-string values true, false, and null...
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JSTL in JSF2 Facelets… makes sense?

... Introduction JSTL <c:xxx> tags are all taghandlers and they are executed during view build time, while JSF <h:xxx> tags are all UI components and they are executed during view render time. Note that from JSF's own <f:xxx> and <ui:xxx> tags only tho...
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PHP Composer update “cannot allocate memory” error (using Laravel 4)

... can fix the issue. Also you should be committing your composer.lock file and doing a composer install on a production environment which is less resource intensive. More details here: https://github.com/composer/composer/issues/1898#issuecomment-23453850 ...
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Which concurrent Queue implementation should I use in Java?

... Basically the difference between them are performance characteristics and blocking behavior. Taking the easiest first, ArrayBlockingQueue is a queue of a fixed size. So if you set the size at 10, and attempt to insert an 11th element, the insert statement will block until another thread remove...
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Environment variables in Mac OS X

...ete answer . Having to set the path or variable in two places (one for GUI and one for shell) is lame. 9 Answers ...
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MySQL Query to select data from last week?

Hi I have a table with a date field and some other information. I want to select all entries from the past week, (week start from Sunday). ...
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Git Tag list, display commit sha1 hashes

so the git tag command lists the current git tags 8 Answers 8 ...
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How can I get the intersection, union, and subset of arrays in Ruby?

...n do set operations on arrays by doing &(intersection), -(difference), and |(union). Obviously I didn't implement the MultiSet to spec, but this should get you started: class MultiSet attr_accessor :set def initialize(set) @set = set end # intersection def &(other) @set &...
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START_STICKY and START_NOT_STICKY

What is the difference between START_STICKY and START_NOT_STICKY while implementing services in android? Could anyone point out to some standard examples.. ? ...
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How do I get the last character of a string?

...t as a string, not a character, but you already know how to do the latter, and I'm not clear on what you're after. – jcomeau_ictx Mar 2 '11 at 5:46 10 ...