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Serialize form data to JSON [duplicate]
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241
Here's a function for this use case:
function getFormData($form){
var unindexed_array = $...
Changing a specific column name in pandas DataFrame
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362
A one liner does exist:
In [27]: df=df.rename(columns = {'two':'new_name'})
In [28]: df
Out[28...
Is it possible to implement a Python for range loop without an iterator variable?
...ast result that returned in an interactive python session:
>>> 1+2
3
>>> _
3
For this reason, I would not use it in this manner. I am unaware of any idiom as mentioned by Ryan. It can mess up your interpreter.
>>> for _ in xrange(10): pass
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>>> _
9
>>...
Better way of getting time in milliseconds in javascript?
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answered Feb 2 '11 at 12:40
Joeri SebrechtsJoeri Sebrechts
10.6k22 gold badges3333 silver badges4848 bronze badges
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In a javascript array, how do I get the last 5 elements, excluding the first element?
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362
You can call:
arr.slice(Math.max(arr.length - 5, 1))
If you don't want to exclude the first e...
How to customize the background/border colors of a grouped table view cell?
...with the [UIColor colorWithPatternImage:] initializer). But I'll leave the 2.0 version of the answer here for anyone that needs it…
It's harder than it really should be. Here's how I did this when I had to do it:
You need to set the UITableViewCell's backgroundView property to a custom UIView ...
How do I pass parameters into a PHP script through a webpage?
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TortoiseSVN icons not showing up under Windows 7
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How to work with complex numbers in C?
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int main() {
double complex z1 = 1.0 + 3.0 * I;
double complex z2 = 1.0 - 4.0 * I;
printf("Working with complex numbers:\n\v");
printf("Starting values: Z1 = %.2f + %.2fi\tZ2 = %.2f %+.2fi\n", creal(z1), cimag(z1), creal(z2), cimag(z2));
double complex sum = z1 + z2;
pr...