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Is there a “do … while” loop in Ruby?
...ere Matz states:
|> Don't use it please. I'm regretting this feature, and I'd like to
|> remove it in the future if it's possible.
|
|I'm surprised. What do you regret about it?
Because it's hard for users to tell
begin <code> end while <cond>
works differently from
<...
How to apply shell command to each line of a command output?
Suppose I have some output from a command (such as ls -1 ):
8 Answers
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Bind a function to Twitter Bootstrap Modal Close
I am using the Twitter Bootstrap lib on a new project and I want for part of the page to refresh and retrieve the latest json data on modal close. I dont see this anywhere in the documentation can someone point it out to me or suggest a solution.
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When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)
...iest way is:
@RequestMapping(method = RequestMethod.GET)
public ModelAndView showResults(final HttpServletRequest request, Principal principal) {
final String currentUser = principal.getName();
}
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How to copy yanked text to VI command prompt
...nt to know if there is any way by which I can paste yanked text to the command window. For instance if I have yanked a word and I want to grep it in some location I can't simply paste the word using 'p'. However if I copy it to clipboard, Shift-Insert will paste the same thing.
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How to set the Default Page in ASP.NET?
...b Developer?
Simply right click on the page you want to be the start page and say "set as start page".
As noted in the comment below by Adam Tuliper - MSFT, this only works for debugging, not deployment.
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How to find the key of the largest value hash?
...
You can also do hash.max_by(&:last) for the pair and hash.max_by(&:last).first for the key.
– mahemoff
Aug 18 '15 at 17:48
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Disable IPython Exit Confirmation
...ake sure the directory exists (or run ipython profile create to create it) and add these lines to $HOME/.ipython/profile_default/ipython_config.py:
c = get_config()
c.TerminalInteractiveShell.confirm_exit = False
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Heroku/devise - Missing host to link to! Please provide :host parameter or set default_url_options[:
...ost => 'localhost' }
Make sure you change host to your production url and keep it localhost for development. This is for the mailer, it needs a default email to send out notices such as confirmations etc...
You should check the logs on the heroku server heroku logs run that from the console ...
Officially, what is typename for?
... week, I was declaring two iterators as members of another templated class and I had to do this)...
8 Answers
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