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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....
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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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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Tar archiving that takes input from a list of files
... have a file that contain list of files I want to archive with tar.
Let's call it mylist.txt
6 Answers
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Find rows with multiple duplicate fields with Active Record, Rails & Postgres
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User.select(:first,:email).group(:first,:email).having("count(*) > 1").all
(note: not tested, you may need to tweak it)
EDITED to remove id column
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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 doesn't height: 100% work to expand divs to the screen height?
...lement <html>, which can be a percentage height. .
So, you've given all of your elements height, except for the <html>, so what you should do is add this:
html {
height: 100%;
}
And your code should work fine.
* { padding: 0; margin: 0; }
html, body, #fullheight {
min-he...
What is so special about Generic.xaml?
...rrent Windows theme e.g. on Vista using the Aero theme, the dictionary is called Aero.NormalColor.xaml, on XP using the default theme it is Luna.NormalColor.xaml. If the style is not found in the theme dictionary, it looks in Generic.xaml i.e for controls whose look doesn't depend on the theme.
Thi...