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Why do you use typedef when declaring an enum in C++?
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In C, declaring your enum the first way allows you to use it like so:
TokenType my_type;
If you use the second style, you'll be forced to declare your variable like this:
enum TokenType my_type;
As mentioned by others, this doesn't make a difference in C++. M...
Convert Object to JSON string
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Using 'return' in a Ruby block
...; }
LocalJumpError: unexpected return
from (irb):7:in `block in irb_binding'
from (irb):2:in `call'
from (irb):2:in `thing'
from (irb):6
from /home/mirko/.rvm/rubies/ruby-1.9.1-p378/bin/irb:15:in `<main>'
irb(main):009:0> thing { break 6 * 7 }
=> 4...
Is the size of C “int” 2 bytes or 4 bytes?
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I know it's equal to sizeof(int). The size of an int is really compiler dependent. Back in the day, when processors were 16 bit, an int was 2 bytes. Nowadays, it's most often 4 bytes on a 32-bit as well as 64-bit systems.
Still, using sizeof(int) is the best way to get the size of...
Ruby on Rails production log rotation
...g: Rails log, Rpush log, ...
You can use like this in your config file of service:
config.log_file = 'log/rpush.log'
config.logger = ActiveSupport::Logger.new(config.log_file, 1, 20*1024*1024)
It means: only save 1 previous log file after split.
Main log size never over 20 MB.
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csv.Error: iterator should return strings, not bytes
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How to kill zombie process
...is not paying attention to its children, then file a complaint with social services. ;)
– William Pursell
Jun 5 '13 at 16:22
1
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What does the > (greater than bracket) mean beside file names in Eclipse's Package Explorer?
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How do I specify multiple targets in my podfile for my Xcode project?
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Include an SVG (hosted on GitHub) in MarkDown
...t.com sunset announcement: "What you should use instead The following free services offer fantastic alternatives to some or all of RawGit's functionality. You may like them even more than RawGit. jsDelivr GitHub Pages CodeSandbox unpkg"
– jeffhale
Dec 20 '18 a...