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Instantiating a generic class in Java [duplicate]
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This is all great and all ... it certainly works. But ... if all we need is a new Bar instance (since <T> is <Bar>) then reflectively making a Bar instance with Class<Bar> token = Bar.class; and Bar newBar = token....
Make page to tell browser not to cache/preserve input values
...sers. Another alternative is to use Javascript/jQuery to explicitly untick all checkboxes on page load.
– DisgruntledGoat
Apr 28 '10 at 10:28
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Reset other branch to current without a checkout
...ws you describe are not equivalent: when you perform reset --hard you lose all the changes in the working tree (you might want to make it reset --soft).
What you need is
git update-ref refs/heads/OtherBranch refs/heads/CurrentBranch
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Double not (!!) operator in PHP
...ings or empty arrays) you will get the boolean value FALSE.
It is functionally equivalent to a cast to boolean:
return (bool)$row;
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Check if value exists in Postgres array
...is works great. It has a side effect of automatic casting. Ex: SELECT 1::smallint = ANY ('{1,2,3}'::int[]) works. Just make sure to put ANY() on the right side of expression.
– Mike Starov
Jun 27 '12 at 23:52
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What's the difference between passing by reference vs. passing by value?
...on as defined in the CS theory is now obsolete because the technique originally defined as "pass by reference" has since fallen out of favor and is seldom used now.1
Newer languages2 tend to use a different (but similar) pair of techniques to achieve the same effects (see below) which is the primar...
Why does Math.floor return a double?
...he value with its fractional part truncated. It may well be quite a bit smaller than that.
– Jim Garrison
Sep 5 '16 at 20:10
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Determine if an element has a CSS class with jQuery
...ass a className argument that contains whitespace, it will be matched literally against the collection's elements' className string. So if, for instance, you have an element,
<span class="foo bar" />
then this will return true:
$('span').hasClass('foo bar')
and these will return false:
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How to run JUnit tests with Gradle?
... when i do gradle test, it doesn't do anything. It doesn't run my tests at all. Any idea?
– Gaurav
Nov 11 '16 at 5:35
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How to filter multiple values (OR operation) in angularJS
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It is working for me but it returns all the results if it doesn't find the searched attribute in the list, how can I do to invert this behavior and return no result if the value doesn't exist in the list?
– Zakaria Belghiti
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