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Android App Not Install. An existing package by the same name with a conflicting signature is alread
...of the list where the old versions are listed with a mark 'not installed'. Select it and press the 'settings' button in the top right corner and finally 'uninstall for all users'
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Hidden Features of C#? [closed]
...
This isn't C# per se, but I haven't seen anyone who really uses System.IO.Path.Combine() to the extent that they should. In fact, the whole Path class is really useful, but no one uses it!
I'm willing to bet that every production app has the following code, even though it shoul...
fork() branches more than expected?
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when i=0
Process_1: Buffered text= 1 dot
Process_2(created by Process_1): Buffered text= 1 dot
when i=1
Process_3(created by Process_1): Inherit 1 buffered dot from Process_1 and prints 1 dot by itself. In total Process_3 prints 2 dots.
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How to fix the “java.security.cert.CertificateException: No subject alternative names present” error
...ager that does not validate certificate chains
TrustManager[] trustAllCerts = new TrustManager[] {new X509TrustManager() {
public java.security.cert.X509Certificate[] getAcceptedIssuers() {
return null;
}
public void checkClientTrusted(X509...
ActionController::InvalidAuthenticityToken
...h were page cached. Pages got buffered with a stale authenticity token and all actions using the methods post/put/delete where recognized as forgery attempts. Error (422 Unprocessable Entity) was returned to the user.
The solution for Rails 3:
Add:
skip_before_filter :verify_authenticity_token
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What does a space mean in a CSS selector? i.e. What is the difference between .classA.classB and .cl
What is the difference between these two selectors?
3 Answers
3
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How to get notified about changes of the history via history.pushState?
...);
}
// ... whatever else you want to do
// maybe call onhashchange e.handler
return pushState.apply(history, arguments);
};
})(window.history);
Your jsfiddle becomes:
window.onpopstate = history.onpushstate = function(e) { ... }
You can monkey-patch window.h...
How to split a string at the first `/` (slash) and surround part of it in a ``?
...ments, for example to all those implementing a class, just by changing the selector.
Demonstration (note that I had to select jQuery in the menu in the left part of jsfiddle's window)
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Cropping an UIImage
...of the center of the image - I use this to take a UIImage and return a small, square representation of an image, similar to what's seen in the album view of the Photos app. (I know I could use a UIImageView and adjust the crop mode to achieve the same results, but these images are sometimes disp...
Uploading both data and files in one form using Ajax?
... on_complete(response);
});
}
}
it works well with all browsers, you don't need to serialize or prepare the data.
one down side is that you can't monitor the progress.
also, at least for chrome, the request will not appear in the "xhr" tab of the developer tools but under "d...