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StringIO in Python3
I am using Python 3.2.1 and I can't import the StringIO module. I use
io.StringIO and it works, but I can't use it with numpy 's genfromtxt like this:
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how do you filter pandas dataframes by multiple columns
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Using & operator, don't forget to wrap the sub-statements with ():
males = df[(df[Gender]=='Male') & (df[Year]==2014)]
To store your dataframes in a dict using a for loop:
from collections import defaultdict
dic={}
for g in ['male'...
Is there a standard sign function (signum, sgn) in C/C++?
I want a function that returns -1 for negative numbers and +1 for positive numbers.
http://en.wikipedia.org/wiki/Sign_function
It's easy enough to write my own, but it seems like something that ought to be in a standard library somewhere.
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Javadoc @see or {@link}?
...nion, {@link} is best used when you literally use a class, field, constructor or method name in your description. The user will be able to click through to the javadoc of what you've linked.
I use the @see annotation in 2 cases:
Something is very relevant but not mentioned in the description.
I r...
Div width 100% minus fixed amount of pixels
How can I achieve the following structure without using tables or JavaScript? The white borders represent edges of divs and aren't relevant to the question.
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What does 'wb' mean in this code, using Python?
...s fine.
But if you supposed to read that jpg file you need to use 'rb'
More info
On Windows, 'b' appended to the mode
opens the file in binary mode, so
there are also modes like 'rb', 'wb',
and 'r+b'. Python on Windows makes a
distinction between text and binary
files; the end-of-li...
How to identify if a webpage is being loaded inside an iframe or directly into the browser window?
...me based facebook app. Now I want to use the same html page to render the normal website as well as the canvas page within facebook. I want to know if I can determine whether the page has been loaded inside the iframe or directly in the browser?
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Terminal Multiplexer for Microsoft Windows - Installers for GNU Screen or tmux [closed]
I am looking for a terminal multiplexer for Microsoft Windows. I was unable to locate the installers for Microsoft Windows for both tmux and GNU Screen.
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How to get an outline view in sublime texteditor?
How do I get an outline view in sublime text editor for Windows?
5 Answers
5
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JavaScript ternary operator example with functions
...ement of a ternary statement is always evaluated as a Boolean value, therefore you can express:
(IsChecked == true) ? removeItem($this) : addItem($this);
Simply as:
(IsChecked) ? removeItem($this) : addItem($this);
Infact, I would also remove the IsChecked temporary as well which leaves you wi...