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JavaScript - Get minutes between two dates
...iffMins = Math.round(((diffMs % 86400000) % 3600000) / 60000); // minutes
alert(diffDays + " days, " + diffHrs + " hours, " + diffMins + " minutes until Christmas 2009 =)");
or var diffMins = Math.floor((... to discard seconds if you don't want to round minutes.
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Difference between static and shared libraries?
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Shared libraries are .so (or in Windows .dll, or in OS X .dylib) files. All the code relating to the library is in this file, and it is referenced by programs using it at run-time. A program using a shared library only makes reference to the code that it uses in the shared lib...
What is a faster alternative to Python's http.server (or SimpleHTTPServer)?
... Windows you'll need a prompt with administrator permissions, and on Linux/OSX you'll want to sudo the command:
npm install http-server -g
This will download any required dependencies and install http-server.
Use
Now, from any directory, you can type:
http-server [path] [options]
Path is optional,...
GLib compile error (ffi.h), but libffi is installed
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If you have a Debian-based Linux OS with apt-get:
sudo apt-get install libffi-dev
With a Redhat-base OS:
yum install libffi-devel
With Alpine Linux:
apk add libffi-dev
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Padding or margin value in pixels as integer using jQuery
...height/widths to get the total margin and padding:
var that = $("#myId");
alert(that.outerHeight(true) - that.innerHeight());
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Double exclamation points? [duplicate]
...f:
(function typecheck() {
var a = "a";
var b = !a;
var c = !!a;
alert("var a = " + typeof(a) + "\n" +
"var b = " + typeof(b) + "\n" +
"var c = " + typeof(c));
})();
If you are simply doing comparisons, the conversion merely saves you a type coercion later on.
FYI, the f...
Trim spaces from start and end of string
....replace(/([\s]+)/g, '-'); // Replace remaining white space with dashes
}
alert(doSomething(" something with some whitespace "));
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fo...
Using the scrollwheel in GNU screen
...scroll around in the scrollback buffer? I tried to Google about this, but most hits were on how to allow applications inside screen to use the scrollwheel.
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How to format a phone number with jQuery
... ph.replace(/(\d{3})(\d{3})(\d{4})/, '$1-$2-$3'); $(this).val(temp); //alert(temp); });
– Musaddiq Khan
Jan 5 '17 at 13:06
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How do I get a human-readable file size in bytes abbreviation using .NET?
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This is not the most efficient way to do it, but it's easier to read if you are not familiar with log maths, and should be fast enough for most scenarios.
string[] sizes = { "B", "KB", "MB", "GB", "TB" };
double len = new FileInfo(filename)....