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Function to clear the console in R and RStudio
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Works in RStudio on Mac, but not in R.app! In R.app the command Cmd+Alt+L clears the screen, not Ctrl+L... Is there a similar 'code' to send that key combination to the R.app? (I see that \014 is the ASCII code for Form Feed, so I guess it is not sending the key ...
What is Haskell used for in the real world? [closed]
...however, it is hard to get information on how it is used in the real world applications. What are the most popular projects / usages of Haskell and why it excels at solving these problems?
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Node / Express: EADDRINUSE, Address already in use - Kill server
...on('SIGTERM', ..)
That being said, SIGTERM (default kill signal) lets the app clean up, while SIGKILL (immediate termination) won't let the app do anything.
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How do you reset the stored credentials in 'git credential-osxkeychain'?
...some reason I couldn't find any Git/GitHub credentials within the Keychain app, but this worked. Thanks!
– Donald
Mar 22 '16 at 15:35
5
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JavaScript for detecting browser language preference [duplicate]
...script.
What they do affect is the HTTP 'Accept-Language' header, but it appears this value is not available through javascript at all. (Probably why @anddoutoi states he can't find a reference for it that doesn't involve server side.)
I have coded a workaround: I've knocked up a google app engin...
How to write log to file
...r me:
f, err := os.OpenFile("testlogfile", os.O_RDWR | os.O_CREATE | os.O_APPEND, 0666)
if err != nil {
log.Fatalf("error opening file: %v", err)
}
defer f.Close()
log.SetOutput(f)
log.Println("This is a test log entry")
Based on the Go docs, os.Open() can't work for log.SetOutput, because i...
How to print a debug log?
...lso set the value of error_log to 'php://stdout' when debugging a console app and have the error messages appear straight to console, ie: error_log("You messed up!", 3, "php://stdout");
– stefgosselin
May 21 '11 at 12:38
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Which UUID version to use?
...version entails, but I am having trouble figuring out what's best for what applications.
4 Answers
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Logging errors in ASP.NET MVC
I'm currently using log4net in my ASP.NET MVC application to log exceptions. The way I'm doing this is by having all my controllers inherit from a BaseController class. In the BaseController's OnActionExecuting event, I log any exceptions that may have occurred:
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Is there a print_r or var_dump equivalent in Ruby / Ruby on Rails?
.../54-debugging-with-ruby-debug
http://www.sitepoint.com/article/debug-rails-app-ruby-debug/
http://www.datanoise.com/articles/2006/7/12/tutorial-on-ruby-debug
It's incredibly helpful!
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