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How to detect online/offline event cross-browser?

...k when the user follows links or when a script requests a remote page (or knows that such an attempt would fail), and must return true otherwise. Finally, the spec notes: This attribute is inherently unreliable. A computer can be connected to a network without having Internet access. ...
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What are the differences between the different saving methods in Hibernate?

..., when to use which, and why isn't there just one intelligent method that knows when to use what? 10 Answers ...
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FormsAuthentication.SignOut() does not log the user out

...ookie(FormsAuthentication.FormsCookieName, ""); cookie1.Expires = DateTime.Now.AddYears(-1); Response.Cookies.Add(cookie1); // clear session cookie (not necessary for your current problem but i would recommend you do it anyway) SessionStateSection sessionStateSection = (SessionStateSection)WebConfi...
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Else clause on Python while statement

...struct: while condition: handle_true() else: # condition is false now, handle and go on with the rest of the program handle_false() An example might be along the lines of: while value < threshold: if not process_acceptable_value(value): # something went wrong, exit the...
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When is it right for a constructor to throw an exception?

... I realize now that I didn't include a link to the original article, blogs.msdn.com/b/ericlippert/archive/2008/09/10/… Things like ArgumentException/ArgumentNullException are boneheaded: just plain bugs in the calling code. He says "...
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C# DateTime to “YYYYMMDDHHMMSS” format

... DateTime.Now.ToString("yyyyMMddHHmmss"); // case sensitive share | improve this answer | follow ...
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How to use putExtra() and getExtra() for string data

...Actually I have a string variable, say str, which stores some string data. Now, I want to send this data from one activity to another activity. ...
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Install NPM into home directory with distribution nodejs package (Ubuntu)

...bout these packages NODE_PATH="$NPM_PACKAGES/lib/node_modules:$NODE_PATH" Now when you do an npm install -g, NPM will install the libraries into ~/.npm-packages/lib/node_modules, and link executable tools into ~/.npm-packages/bin, which is in your PATH. Just use npm install -g as you would normally...
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OAuth: how to test with local URLs?

... Update October 2016: Easiest now: use lvh.me which always points to 127.0.0.1. Previous Answer: Since the callback request is issued by the browser, as a HTTP redirect response, you can set up your .hosts file or equivalent to point a domain that is not ...
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Convert UTC datetime string to local datetime

... zones: from_zone = tz.tzutc() to_zone = tz.tzlocal() # utc = datetime.utcnow() utc = datetime.strptime('2011-01-21 02:37:21', '%Y-%m-%d %H:%M:%S') # Tell the datetime object that it's in UTC time zone since # datetime objects are 'naive' by default utc = utc.replace(tzinfo=from_zone) # Convert ...