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How do I get an ISO 8601 date on iOS?
It's easy enough to get the ISO 8601 date string (for example, 2004-02-12T15:19:21+00:00 ) in PHP via date('c') , but how does one get it in Objective-C (iPhone)? Is there a similarly short way to do it?
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Is there a simple way to remove multiple spaces in a string?
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edited Jan 4 '19 at 14:59
Francisco Couzo
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What are the git concepts of HEAD, master, origin?
As I'm learning about git, I keep coming across the terms HEAD, master, origin, and I'm not sure what the differences are. If I understand correctly, HEAD is always equal to the latest revision? And if so, is that the latest revision of the whole repository, or of a specific branch or tag? This is s...
Does reading an entire file leave the file handle open?
If you read an entire file with content = open('Path/to/file', 'r').read() is the file handle left open until the script exits? Is there a more concise method to read a whole file?
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How to pass all arguments passed to my bash script to a function of mine? [duplicate]
...ere is an example.
abc "$@"
When using $@, you should (almost) always put it in double-quotes to avoid misparsing of arguments containing spaces or wildcards (see below). This works for multiple arguments. It is also portable to all POSIX-compliant shells.
It is also worth nothing that $0 (general...
How do I print a double value without scientific notation using Java?
I want to print a double value in Java without exponential form.
14 Answers
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What does [].forEach.call() do in JavaScript?
...f code, and I found multiple elements calling a function over a node list with a forEach applied to an empty array.
12 Answ...
Error: Can't set headers after they are sent to the client
... call res.setHeader(name, value) as often as you want until you call res.writeHead(statusCode). After writeHead, the headers are baked in and you can only call res.write(data), and finally res.end(data).
The error "Error: Can't set headers after they are sent." means that you're already in the Body ...
Learning Python from Ruby; Differences and Similarities
...s; Ruby does not. In Python, you can take any function or method and pass it to another function. In Ruby, everything is a method, and methods can't be directly passed. Instead, you have to wrap them in Proc's to pass them.
Ruby and Python both support closures, but in different ways. In Python,...
How to check for a valid Base64 encoded string
...C# to see if a string is Base 64 encoded other than just trying to convert it and see if there is an error? I have code code like this:
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