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Parse (split) a string in C++ using string delimiter (standard C++)
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You can use the std::string::find() function to find the position of your string delimiter, then use std::string::substr() to get a token.
Example:
std::string s = "scott>=tiger";
std::string delimiter = ">=";
std::string token = s.substr(0, s.find(delimiter)); // token is "sc...
Most efficient way to store thousand telephone numbers
...ers" for the data structure: the first is a constant for the first five digits (17 bits); so from here on, each phone number has only the remaining five digits left. We view these remaining five digits as 17-bit binary integers and store k of those bits using one method and 17 - k = m with a differe...
What is Data Transfer Object?
...ta Transfer Object is an object that is used to encapsulate data, and send it from one subsystem of an application to another.
DTOs are most commonly used by the Services layer in an N-Tier application to transfer data between itself and the UI layer. The main benefit here is that it reduces the am...
super() raises “TypeError: must be type, not classobj” for new-style class
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Alright, it's the usual "super() cannot be used with an old-style class".
However, the important point is that the correct test for "is this a new-style instance (i.e. object)?" is
>>> class OldStyle: pass
>>> inst...
How do I remove a single file from the staging area (undo git add)?
Situation: I have a Git repository with files already in the index. I make changes to several files, open Git and add these files to my staging area with "git add ."
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How to import a module given its name as string?
I'm writing a Python application that takes as a command as an argument, for example:
11 Answers
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How can I sort a List alphabetically?
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edited Feb 1 '14 at 2:43
Basil Bourque
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Best practices for in-app database migration for Sqlite
I am using sqlite for my iphone and I anticipate the database schema might change over time. What are the gotchas, naming conventions and things to watch out for to do a successful migration each time?
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Cloning a private Github repo
I have a private repository on Github for a project I'm working on. Until now I had only worked on my home desktop, but I just bought a laptop, and am trying to set it up so that I can work on the project from either computer, and push / pull changes.
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Split an NSString to access one particular piece
...* foo = [@"10/04/2011" componentsSeparatedByString: @"/"];
NSString* firstBit = [foo objectAtIndex: 0];
Update 7/3/2018:
Now that the question has acquired a Swift tag, I should add the Swift way of doing this. It's pretty much as simple:
let substrings = "10/04/2011".split(separator: "/")
let ...