Base64 length calculation?
After reading the base64 wiki … I’m trying to figure out how’s the formula working : Given a string with length of n … Read more
string
How to split a string in Haskell?
Is there a standard way to split a string in Haskell? lines and words work great from splitting on a space or newline, … Read more
Python: most idiomatic way to convert None to empty string?
What is the most idiomatic way to do the following? def xstr(s): if s is None: return ” else: return s s = … Read more
Why is it discouraged to accept a reference to a String (&String), Vec (&Vec), or Box (&Box) as a function argument?
I wrote some Rust code that takes a &String as an argument: fn awesome_greeting(name: &String) { println!(“Wow, you are awesome, {}!”, name); } … Read more
Split string in Lua?
I need to do a simple split of a string, but there doesn’t seem to be a function for this, and the manual … Read more
How do I concatenate strings in Swift?
How to concatenate string in Swift? In Objective-C we do like NSString *string = @”Swift”; NSString *resultStr = [string stringByAppendingString:@” is a new … Read more
bash : Bad Substitution
#!/bin/bash jobname=”job_201312161447_0003″ jobname_pre=${jobname:0:16} jobname_post=${jobname:17} This bash script gives me Bad substitution error on ubuntu. Any help will be highly appreciated. 13 Answers 13
What is the equivalent of the join operator over a vector of Strings?
I wasn’t able to find the Rust equivalent for the “join” operator over a vector of Strings. I have a Vec<String> and I’d … Read more
Finding index of character in Swift String
It’s time to admit defeat… In Objective-C, I could use something like: NSString* str = @”abcdefghi”; [str rangeOfString:@”c”].location; // 2 In Swift, I … Read more
How do I parse a string into a number with Dart?
I would like to parse strings like 1 or 32.23 into integers and doubles. How can I do this with Dart? 10 Answers … Read more