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How can the Euclidean distance be calculated with NumPy?
...ou can find the theory behind this in Introduction to Data Mining
This works because Euclidean distance is l2 norm and the default value of ord parameter in numpy.linalg.norm is 2.
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Should I store entire objects, or pointers to objects in containers?
... Torbjörn GyllebringTorbjörn Gyllebring
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Removing item from vector, while in C++11 range 'for' loop?
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Peter Mortensen
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answered Apr 28 '12 at 4:02
Seth CarnegieSeth...
I forgot the password I entered during postgres installation
...or example in /etc/postgresql-9.1/pg_hba.conf.
cd /etc/postgresql-9.1/
Back it up
cp pg_hba.conf pg_hba.conf-backup
place the following line (as either the first uncommented line, or as the only one):
For all occurrence of below (local and host) , exepct replication
section if you don't hav...
Declaring functions in JavaScript [duplicate]
...ive. I would highly recommend "Javascript: The Good Parts" by Doughlas Crockford.
But to prove my point in a subtle and a simple manner; here is a small example.
//Global function existing to serve everyone
function swearOutLoud(swearWord) {
alert("You "+ swearWord);
}
//global fun...
Mercurial error: abort no username supplied
Problem on WindowsXP (likely will happen on all Win installs), first time using Mercurial. I found the answer in an inobvious place so I'm asking/answering the question myself so others don't have to search like I did.
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How do I center an SVG in a div?
...00px. The SVG has its margin-left and margin-right set to auto. Doesn't work, it just acts as if the left margin is 0 (default).
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Replace first occurrence of pattern in a string [duplicate]
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I think you can use the overload of Regex.Replace to specify the maximum number of times to replace...
var regex = new Regex(Regex.Escape("o"));
var newText = regex.Replace("Hello World", "Foo", 1);
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How should I detect unnecessary #include files in a large C++ project?
I am working on a large C++ project in Visual Studio 2008, and there are a lot of files with unnecessary #include directives. Sometimes the #include s are just artifacts and everything will compile fine with them removed, and in other cases classes could be forward declared and the #include could...
How do I execute any command editing its file (argument) “in place” using bash?
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danielsdaniels
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