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What are the main performance differences between varchar and nvarchar SQL Server data types?
I'm working on a database for a small web app at my school using SQL Server 2005 .
I see a couple of schools of thought on the issue of varchar vs nvarchar :
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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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Disable a Button
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If you want the button to stay static without the "pressed" appearance:
// Swift 2
editButton.userInteractionEnabled = false
// Swift 3
editButton.isUserInteractionEnabled = false
Remember:
1) Your IBOutlet is --> @IBOutlet weak var editButton: UIButton!
2) Code above go...
what is reverse() in Django
...e reverse() in place of other more straightforward, arguably more pythonic approaches in template-view binding, and what are some legitimate reasons for the popularity of this "redirect via reverse() pattern" in Django routing logic.
One key benefit is the reverse construction of a url, as others h...
usr/bin/ld: cannot find -l
...ment work.)
For other architectures (most notably RPM) similar procedures apply, though the details will be different.
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A top-like utility for monitoring CUDA activity on a GPU
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Use argument "--query-compute-apps="
nvidia-smi --query-compute-apps=pid,process_name,used_memory --format=csv
for further help, please follow
nvidia-smi --help-query-compute-app
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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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how to show progress bar(circle) in an activity having a listview before loading the listview with d
...derProgress.setVisibility(View.GONE);
}
EDIT: This is how it looks in my app while loading one of several ListViews
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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...