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Pandas DataFrame column to list [duplicate]
...e, header=False, index=False).split('\n')
this will return each row as a string.
['1.0,4', '2.0,5', '3.0,6', '']
Then split each row to get list of list. Each element after splitting is a unicode. We need to convert it required datatype.
def f(row_str):
row_list = row_str.split(',')
retu...
How can I launch multiple instances of MonoDevelop on the Mac?
...Using the shell to enter the command as others have described to launch an extra instance is fine, but I prefer having an icon on the dock that I can just click.
It's easy to do:
Open AppleScript Editor and enter the following:
do shell script "open -n /Applications/MonoDevelop.app/"
Save with a...
How to find indices of all occurrences of one string in another in JavaScript?
I'm trying to find the positions of all occurrences of a string in another string, case-insensitive.
13 Answers
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Zero-pad digits in string
... data type. You presumably want to pad your digits with leading zeros in a string. The following code does that:
$s = sprintf('%02d', $digit);
For more information, refer to the documentation of sprintf.
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jQuery callback on image load (even when the image is cached)
...
/**
* Trigger a callback when the selected images are loaded:
* @param {String} selector
* @param {Function} callback
*/
var onImgLoad = function(selector, callback){
$(selector).each(function(){
if (this.complete || /*for IE 10-*/ $(this).height() > 0) {
callback.ap...
Javascript how to split newline
...
It should be
yadayada.val.split(/\n/)
you're passing in a literal string to the split command, not a regex.
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partial string formatting
Is it possible to do partial string formatting with the advanced string formatting methods, similar to the string template safe_substitute() function?
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How do I convert a Vector of bytes (u8) to a string
...
To convert a slice of bytes to a string slice (assuming a UTF-8 encoding):
use std::str;
//
// pub fn from_utf8(v: &[u8]) -> Result<&str, Utf8Error>
//
// Assuming buf: &[u8]
//
fn main() {
let buf = &[0x41u8, 0x41u8, 0x42u8]...
How to handle both a single item and an array for the same property using JSON.net
...y that can vary between a single item and an array, define it as a List<string> and mark it with a [JsonConverter] attribute so that JSON.Net will know to use the custom converter for that property. I would also recommend using [JsonProperty] attributes so that the member properties can be g...
Why is “if not someobj:” better than “if someobj == None:” in Python?
...test for equality when you want to compare objects of the same nature (two strings, two numbers, ...) and to check for identity only when using sentinel values (None meaning not initialized for a member field for exemple, or when using the getattr or the __getitem__ methods).
To summarize, we have ...