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iFrame src change event detection?
...all modern browsers, but may not work in some very older browsers like IE5 and early Opera. (Source)
If the iframe is showing a page within the same domain of the parent, you would be able to access the location with contentWindow.location, as in the following example:
<iframe src="/test.html"...
What's the u prefix in a Python string?
...s that your string is a Unicode string.
Q: I'm in a terrible, awful hurry and I landed here from Google Search. I'm trying to write this data to a file, I'm getting an error, and I need the dead simplest, probably flawed, solution this second.
A: You should really read Joel's Absolute Minimum Ever...
What is the best way to check for Internet connectivity using .NET?
What is the fastest and most efficient way to check for Internet connectivity in .NET?
27 Answers
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Force line-buffering of stdout when piping to tee
...p tee output.txt
(-p is for pipeline mode where unbuffer reads from stdin and passes it to the command in the rest of the arguments)
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How to trim a file extension from a String in JavaScript?
...u can use x.slice(0, -4) (where 4 is the three characters of the extension and the dot).
If you don't know the length @John Hartsock regex would be the right approach.
If you'd rather not use regular expressions, you can try this (less performant):
filename.split('.').slice(0, -1).join('.')
Not...
How do I create 7-Zip archives with .NET?
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If you can guarantee the 7-zip app will be installed (and in the path) on all target machines, you can offload by calling the command line app 7z. Not the most elegant solution but it is the least work.
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How to check whether a string is a valid HTTP URL?
There are the Uri.IsWellFormedUriString and Uri.TryCreate methods, but they seem to return true for file paths etc.
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How do I run NUnit in debug mode from Visual Studio?
...a test framework for a bit of C# I've been working on. I have NUnit set up and a new project within my workspace to test the component. All works well if I load up my unit tests from Nunit (v2.4), but I've got to the point where it would be really useful to run in debug mode and set some break point...
WARNING: Can't verify CSRF token authenticity rails
I am sending data from view to controller with AJAXand I got this error:
17 Answers
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Ruby Gem install Json fails on Mavericks and Xcode 5.1 - unknown argument: '-multiply_definedsuppres
I was trying run gem install json and got the following error
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