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Why does (0 < 5 < 3) return true?
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443
Order of operations causes (0 < 5 < 3) to be interpreted in javascript as ((0 < 5) <...
What does “SyntaxError: Missing parentheses in call to 'print'” mean in Python?
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This error message means that you are attempting to use Python 3 to follow an example or run a program that uses the Python 2 print statement:
print "Hello, World!"
The statement above does not work in Python 3. In Python 3 you need to add parentheses around the value to be printe...
Zip lists in Python
...ch tuple contains, you could examine the length of the first element:
In [3]: result = zip(a, b, c)
In [4]: len(result[0])
Out[4]: 3
Of course, this won't work if the lists were empty to start with.
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Splitting a list into N parts of approximately equal length
...e, if the list has 7 elements and is split it into 2 parts, we want to get 3 elements in one part, and the other should have 4 elements.
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Is there a Python function to determine which quarter of the year a date is in?
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Add new value to an existing array in JavaScript [duplicate]
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392
You don't need jQuery for that. Use regular javascript
var arr = new Array();
// or var arr =...
Formatting Phone Numbers in PHP
...MS app and need to be able to convert the sender's phone number from +11234567890 to 123-456-7890 so it can be compared to records in a MySQL database .
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How to install python3 version of package via pip on Ubuntu?
I have both python2.7 and python3.2 installed in Ubuntu 12.04 .
The symbolic link python links to python2.7 .
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Remove empty elements from an array in Javascript
... to remove null or undefined values:
var array = [0, 1, null, 2, "", 3, undefined, 3,,,,,, 4,, 4,, 5,, 6,,,,];
var filtered = array.filter(function (el) {
return el != null;
});
console.log(filtered);
It will depend on what you consider to be "empty" for example, if you were d...
How to apply a function to two columns of Pandas dataframe
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318
Here's an example using apply on the dataframe, which I am calling with axis = 1.
Note the d...