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Python 3: ImportError “No Module named Setuptools”
...-get install python3-setuptools
For an older version of Python (Python 2.x):
sudo apt-get install python-setuptools
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How can I create a simple message box in Python?
... An included library with Python install.
ctypes.windll.user32.MessageBoxW(0, "Your text", "Your title", 1)
Or define a function (Mbox) like so:
import ctypes # An included library with Python install.
def Mbox(title, text, style):
return ctypes.windll.user32.MessageBoxW(0, text, title, s...
Dynamically access object property using variable
...ket notation: something['bar']
The value between the brackets can be any expression. Therefore, if the property name is stored in a variable, you have to use bracket notation:
var something = {
bar: 'foo'
};
var foo = 'bar';
// both x = something[foo] and something[foo] = x work as expected
...
Why aren't my breakpoints working?
I have breakpoints set but Xcode appears to ignore them.
50 Answers
50
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Save image from URL by paperclip
... use update_attributes rename picture_from_url to picture_url=(value) for example.
– Daniel Rikowski
Jun 2 '13 at 13:07
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Call a Server-side Method on a Resource in a RESTful Way
...tues of the Web. This is fine. What we don't really like is needless complexity. Too often a programmer or a company brings in RPC-style Services for a job that plain old HTTP could handle just fine. The effect is that HTTP is reduced to a transport protocol for an enormous XML payload that explains...
Reverse / invert a dictionary mapping
...
For Python 2.7.x
inv_map = {v: k for k, v in my_map.iteritems()}
For Python 3+:
inv_map = {v: k for k, v in my_map.items()}
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Difference between len() and .__len__()?
...ut a.len() would not be as clear. When Python started __len__ didn't even exist and len was a special thing that worked with a few types of objects. Whether or not the situation this leaves us makes total sense, it's here to stay.
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machine learning libraries in C# [closed]
..., and i can't find decent documentation for it.
– RCIX
Oct 26 '09 at 10:58
@RCIX: I agree it's not exactly simple, you...
How to insert a row in an HTML table body in JavaScript
...w
var newRow = tableRef.insertRow();
// Insert a cell in the row at index 0
var newCell = newRow.insertCell(0);
// Append a text node to the cell
var newText = document.createTextNode('New row');
newCell.appendChild(newText);
A working demo is here. Also, you can check the documentation of i...