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HTTP headers in Websockets client API
...sses this ticket during WebSocket connection setup either in the URL/query string, in the protocol field, or required as the first message after the connection is established. The server then only allows the connection to continue if the ticket is valid (exists, has not been already used, client IP ...
Case insensitive regular expression without re.compile?
...e being None. Using try & except to catch TypeError matching by first_string == second_string. Sample Code def equal_ignore_case(first_string, second_string): try: return re.match(first_string, second_string, re.IGNORECASE) is not None except (AttributeError, TypeError): ...
What are paramorphisms?
...foldr c n xs)
para c n [] = n
foldr c n [] = n
Some people call paramorphisms "primitive recursion" by contrast with catamorphisms (foldr) being "iteration".
Where foldr's two parameters are given a recursively computed value for each recursive subobject of the input data (here, that...
add a string prefix to each value in a string column using Pandas
I would like to append a string to the start of each value in a said column of a pandas dataframe (elegantly).
I already figured out how to kind-of do this and I am currently using:
...
How can I convert string to datetime with format specification in JavaScript?
How can I convert a string to a date time object in javascript by specifying a format string?
15 Answers
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What Makes a Method Thread-safe? What are the rules?
...ently without issue.
public class Thing
{
public int ThreadSafeMethod(string parameter1)
{
int number; // each thread will have its own variable for number.
number = parameter1.Length;
return number;
}
}
This is also true if the method calls other class method ...
Ruby combining an array into one string
In Ruby is there a way to combine all array elements into one string?
3 Answers
3
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string.Format() giving “Input string is not in correct format”
...
string.Format() considers each '{' or '}' to be part of a placeholder (like '{0}' you already use). You need to escape each literal occurrence by doubling it.
So in your case do:
string tmp = @"
if (UseImageFiles) {{
...
Extract a substring from a string in Ruby using a regular expression
How can I extract a substring from within a string in Ruby?
5 Answers
5
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Checking if all elements in a list are unique
What is the best way (best as in the conventional way) of checking whether all elements in a list are unique?
14 Answers
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