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Hidden features of WPF and XAML?
Here is a large number of hidden features discussed for variety of languages. Now I am curious about some hidden features of XAML and WPF?
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How to deal with INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES without uninstall?
...place. Later while trying to test a new version of the app I ran into this error.
I fixed it by removing the app that was installed via Marketplace (just hold and drag to the trash). Thereafter I was able to deploy my development version without any issue.
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window.close and self.close do not close the window in Chrome
...from a Greasemonkey / Tampermonkey / userscript you will get:
Firefox: The error message, "Scripts may not close windows that were not opened by script."
Chrome: just silently fails.
The long-term solution:
The best way to deal with this is to make a Chrome extension and/or Firefox add-on inst...
Why number 9 in kill -9 command in unix? [closed]
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The events can vary from user requests to illegal memory access
errors. Some signals, such as the interrupt signal, indicate that a
user has asked the program to do something that is not in the usual
flow of control.
There are several types of Signals we can use - to get a fu...
What does “SyntaxError: Missing parentheses in call to 'print'” mean in Python?
When I try to use a print statement in Python, it gives me this error:
8 Answers
8
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Call int() function on every list element?
I have a list with numeric strings, like so:
7 Answers
7
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Is Big O(logn) log base e?
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But it's very easy to show that log_2 n is in Θ(log_a n) for any base a, so I'm not sure I see how using base 2 is "more correct".
– bcat
Oct 15 '09 at 0:34
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Performing Breadth First Search recursively
...Queue.Empty.enqueue[Tree[T]](t)
val qq = bfsNumForest(1, q)
qq.dequeue._1
}
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iOS: how to perform a HTTP POST request?
...quest:(NSURLRequest *)request returningResponse:(NSURLResponse **)response error:(NSError **)error
This returns a NSData variable that you can process.
IMPORTANT: Remember to kick off the synchronous request in a separate thread to avoid blocking the UI.
Asynchronously: (void)start
Don't forget...
Creating a JSON response using Django and Python
...go.http import HttpResponse
response_data = {}
response_data['result'] = 'error'
response_data['message'] = 'Some error message'
Pre-Django 1.7 you'd return it like this:
return HttpResponse(json.dumps(response_data), content_type="application/json")
For Django 1.7+, use JsonResponse as shown ...