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Selecting multiple columns in a pandas dataframe
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edited Jul 3 at 13:06
Hugolmn
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Storing sex (gender) in database
... 255 (zero to 255)
INT 4 - 2,147,483,648 to 2,147,483,647
BIT 1 (2 if 9+ columns) 2 (0 and 1)
CHAR(1) 1 26 if case insensitive, 52 otherwise
The BIT data type can be ruled out because it only supports two possible genders whic...
Get a pixel from HTML Canvas?
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There's a section about pixel manipulation in the W3C documentation.
Here's an example on how to invert an image:
var context = document.getElementById('myCanvas').getContext('2d');
// Get the CanvasPixelArray from the given coordinates and dimensions.
var imgd = context.g...
How do I check if a property exists on a dynamic anonymous type in c#?
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edited Apr 5 '17 at 15:32
answered Mar 31 '12 at 14:58
S...
How does one generate a random number in Apple's Swift language?
... = Int.random(in: 0..<6)
let randomDouble = Double.random(in: 2.71828...3.14159)
let randomBool = Bool.random()
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Creating .pem file for APNS?
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366
Here is what I did, From:blog.boxedice.com and "iPhone Advanced Projects" chapter 10 byJoe Pez...
Is there a decorator to simply cache function return values?
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Starting from Python 3.2 there is a built-in decorator:
@functools.lru_cache(maxsize=100, typed=False)
Decorator to wrap a function with a memoizing callable that saves up to the maxsize most recent calls. It can save time when an expensive or...
launch sms application with an intent
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Illegal Argument
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answered Mar 3 '10 at 15:46
jqpubliqjqpubliq
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How to use cURL to get jSON data and decode the data?
...r your question :P
$url="https://.../api.php?action=getThreads&hash=123fajwersa&node_id=4&order_by=post_date&order=desc&limit=1&grab_content&content_limit=1";
Using cURL
// Initiate curl
$ch = curl_init();
// Will return the response, if false it print the resp...