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Cosine Similarity between 2 Number Lists
... scientific routines for example, "routines for computing integrals numerically, solving differential equations, optimization, and sparse matrices." It uses the superfast optimized NumPy for its number crunching. See here for installing.
Note that spatial.distance.cosine computes the distance, and ...
Calculating a directory's size using Python?
...
This walks all sub-directories; summing file sizes:
import os
def get_size(start_path = '.'):
total_size = 0
for dirpath, dirnames, filenames in os.walk(start_path):
for f in filenames:
fp = os.path.join(di...
How to save an HTML5 Canvas as an image on a server?
I'm working on a generative art project where I would like to allow users to save the resulting images from an algorithm. The general idea is:
...
When to make a type non-movable in C++11?
...s destructor that would check if the guard has been moved from - that's an extra if, and a performance impact.
Yeah, sure, it can probably be optimized away by any sane optimizer, but still it's nice that the language (this requires C++17 though, to be able to return a non-movable type requires gua...
Looking to understand the iOS UIViewController lifecycle
...
All these commands are called automatically at the appropriate times by iOS when you load/present/hide the view controller. It's important to note that these methods are attached to UIViewController and not to UIViews themsel...
Javascript Drag and drop for touch devices [closed]
...r("touchcancel", touchHandler, true);
}
And in your document.ready just call the init() function
code found from Here
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UIRefreshControl without UITableViewController
...ng a UIRefreshControl instance as a subview to my UITableView. And it magically just works!
UIRefreshControl *refreshControl = [[UIRefreshControl alloc] init];
[refreshControl addTarget:self action:@selector(handleRefresh:) forControlEvents:UIControlEventValueChanged];
[self.myTableView addSubview:...
Overriding fields or properties in subclasses
...his is how a truly polymorphic implementation of your property might look, allowing the derived classes to be in control.
abstract class Parent
{
abstract public int MyInt { get; }
}
class Father : Parent
{
public override int MyInt
{
get { /* Apply formula "X" and return a val...
Extracting extension from filename in Python
.../path/to/somefile'
>>> file_extension
'.ext'
Unlike most manual string-splitting attempts, os.path.splitext will correctly treat /a/b.c/d as having no extension instead of having extension .c/d, and it will treat .bashrc as having no extension instead of having extension .bashrc:
>>...
Is it possible to change the location of packages for NuGet?
... work out-of-the-box. They forgot to mention that there is code:
internal string ResolveInstallPath()
{
if (!string.IsNullOrEmpty(this.OutputDirectory))
{
return this.OutputDirectory;
}
ISettings settings = this._configSettings;
...
}
which prevents it from working. T...