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Throwing cats out of windows
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70
You can easily write a little DP (dynamic programming) for the general case of n floors and m ca...
What does %s mean in a python format string?
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205
It is a string formatting syntax (which it borrows from C).
Please see "PyFormat":
Python ...
How to get the filename without the extension from a path in Python?
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1380
Getting the name of the file without the extension:
import os
print(os.path.splitext("/path/to/...
How can i query for null values in entity framework?
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answered Mar 29 '10 at 20:28
BlueRaja - Danny PflughoeftBlueRaja - Danny Pflughoeft
72.3k2525 gold badges169169 silver badges251251 bronze badges
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Understanding FFT output
... where the frequency result occurs twice. Once ready to use in the outputs 0 to N/2, and once mirrored in the outputs N/2 to N. In your case it's easiest to simply ignore the outputs N/2 to N. You don't need them, they are just an artifact on how you calculate your FFT.
The frequency to fft-bin equa...
Removing whitespace between HTML elements when using line breaks
I have a page with a row of about 10 img s. For readability of the HTML, I want to put a linebreak in between each img tag, but doing so renders whitespace between the images, which I do not want. Is there anything I can do other than break in the middle of the tags rather than between them?
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Make an image width 100% of parent div, but not bigger than its own width
...t div, but only as long as that width isn’t wider than its own width at 100%. I’ve tried this, to no avail:
9 Answers
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Is there a standard for storing normalized phone numbers in a database?
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80
First, beyond the country code, there is no real standard. About the best you can do is recogniz...
How to extract numbers from a string in Python?
...extract only positive integers, try the following:
>>> str = "h3110 23 cat 444.4 rabbit 11 2 dog"
>>> [int(s) for s in str.split() if s.isdigit()]
[23, 11, 2]
I would argue that this is better than the regex example because you don't need another module and it's more readable beca...
node.js: read a text file into an array. (Each line an item in the array.)
...Of('\n');
while (index > -1) {
var line = remaining.substring(0, index);
remaining = remaining.substring(index + 1);
func(line);
index = remaining.indexOf('\n');
}
});
input.on('end', function() {
if (remaining.length > 0) {
func(remaining);
}...