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Why is === faster than == in PHP?
...nverts, the data type temporarily to see if it’s equal to the other operand, whereas === (the identity operator) doesn’t need to do any converting whatsoever and thus less work is done, which makes it faster.
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What kind of Garbage Collection does Go use?
...ine
CPU cores dedicated to running the concurrent collector
tri-color mark-and-sweep algorithm
non-generational
non-compacting
fully precise
incurs a small cost if the program is moving pointers around
lower latency, but most likely also lower throughput, than Go 1.3 GC
Go 1.3 garbage collector up...
What is a Portable Class Library?
.../PCL
UPDATE Nov 23 2016: Article by Rick Strahl
UPDATE Oct 29 2016: .NETStandard 1->2 FAQ
UPDATE Oct 19 2016: This is the best interview/video I've seen to date covering .NET Standard 2.0
UPDATE Sep 27 2016: .NET Standard 2.0 announcement post has more good info
UPDATE Jun 6 2016: This article...
What does the CSS rule “clear: both” do?
...th; OR what does clear: both; exactly do...
I'll keep this answer simple, and to the point, and will explain to you graphically why clear: both; is required or what it does...
Generally designers float the elements, left or to the right, which creates an empty space on the other side which allows ...
PostgreSQL “DESCRIBE TABLE”
... equivalent of Oracle's DESCRIBE TABLE in PostgreSQL (using the psql command)?
22 Answers
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Hide grid row in WPF
... // Don't need any convert back
return null;
}
}
And then in the appropriate view <Grid.RowDefinition>:
<RowDefinition Height="{Binding IsHiddenRow, Converter={StaticResource BoolToGridRowHeightConverter}}"></RowDefinition>
...
Window appears off screen on ubuntu [closed]
I have a dual monitor setup, and I am using Ubuntu 12.04 LTS
I have changed the positioning of the monitors several times, and now for some reason some of the windows open up off-screen (outside of both screens), Update Manager, for instance.
How can I position the windows on one of my screens?
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What and When to use Tuple? [duplicate]
May someone please explain what a Tuple is and how to use it in a Real World Scenario. I would like to find out how this can enrich my coding experience?
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How do I check if a number evaluates to infinity?
...lert(x === Infinity); displays "true". (Admittedly that's an obscure case, and anyone who decides to redefine Infinity, NaN etc should expect odd things to happen.)
– LukeH
Jan 18 '11 at 13:49
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How to center a button within a div?
...r, however Flexbox would be the correct approach now.
Live Demo
Vertical and horizontal alignment.
#wrapper {
display: flex;
align-items: center;
justify-content: center;
}
Just horizontal (as long as the main flex axis is horizontal which is default)
#wrapper {
display: flex;
justif...