What is the difference between a += b and a =+ b, also a++ and ++a?

a += b is equivalent to a = a + b a = +b is equivalent to a = b a++ and ++a both increment a by 1. The difference is that a++ returns the value of a before the increment whereas ++a returns the

Why does this symbol ’ show up in my email messages almost

why do these odd symbols appear in my emails _ you’ve Why are my emails corrupted with weird letters and symbols? Instructions for obtaining a personal S/MIME certificate by

How do I delete a Git branch locally and remotely?

Matthew''s answer is great for removing remote branches, and I also appreciate the explanation, but to make a simple distinction between the two commands: To remove a local branch

Difference in pronunciation between: a, á, ã, â and à

Could I get a few people to explain the difference in pronunciation between a, á, ã, â and à in Portuguese using English comparisons (if possible)? I can''t seem to find a thread or other Web

what is the difference between a++ and ++a or a-

Questions asking for code must demonstrate a minimal understanding of the problem being solved. Include attempted solutions, why they didn''t work, and the expected results. See also:

HTML encoding issues

I had the problem that showing  instead of », amd When Using this solution the problem solved but there is a php warning: Warning: session_start(): Cannot send session cache limiter - headers

How to convert these strange characters? (ë, Ã, ì, ù, Ã)

My page often shows things like ë, Ã, ì, ù, à in place of normal characters. I use utf8 for header page and MySQL encode. How does this happen?

What does the "a" in the html <a> tag stand for?

As most of you know, the <a> tag is (mostly) used in html to make a hyperlink like