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ASP.NET Web API OperationCanceledException when browser cancels the request

...s a cancelled task like an unhandled exception (it logs the problem in the Application event log). In the meantime, you could try something like the code below. It adds a top-level message handler that removes the content when the cancellation token fires. If the response has no content, the bug sh...
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Bootstrap 3 Slide in Menu / Navbar on Mobile [closed]

I am building a browser-based mobile app and I've decided to use Bootstrap 3 as the css framework for the design. Bootstrap 3 comes with a great "responsive" feature in the navigation bar where it collapses automatically if it detects a specific "break point" regarding the resolution of the browser....
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Concatenating two one-dimensional NumPy arrays

...There are several possibilities for concatenating 1D arrays, e.g., numpy.r_[a, a], numpy.stack([a, a]).reshape(-1), numpy.hstack([a, a]), numpy.concatenate([a, a]) All those options are equally fast for large arrays; for small ones, concatenate has a slight edge: The plot was created with perf...
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I want to get the type of a variable at runtime

...ific type, such as this: val x: Any = 5 def f[T](v: T) = v match { case _: Int => "Int" case _: String => "String" case _ => "Unknown" } f(x) Here it doesn't matter what is the type of the variable, Any. What matters, what is checked is the type of 5, the value. In fact,...
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Retain cycle on `self` with blocks

...sue is identical to the workaround for the retain issue; namely, using the __block storage class for the variable. In any case, to answer your question, there's no real alternative here. If you're designing your own block-based API, and it makes sense to do so, you could have the block get passed t...
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how to detect search engine bots with php?

... Here's a Search Engine Directory of Spider names Then you use $_SERVER['HTTP_USER_AGENT']; to check if the agent is said spider. if(strstr(strtolower($_SERVER['HTTP_USER_AGENT']), "googlebot")) { // what to do } ...
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sys.argv[1] meaning in script

... prints the number of arguments, using the len function on the list. from __future__ import print_function import sys print(sys.argv, len(sys.argv)) The script requires Python 2.6 or later. If you call this script print_args.py, you can invoke it with different arguments to see what happens. &gt...
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When should I use ugettext_lazy?

I have a question about using ugettext and ugettext_lazy for translations. I learned that in models I should use ugettext_lazy , while in views ugettext. But are there any other places, where I should use ugettext_lazy too? What about form definitions? Are there any performance diffrences betwe...
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In Python, using argparse, allow only positive integers

...still need to define an actual method that decides this for you: def check_positive(value): ivalue = int(value) if ivalue <= 0: raise argparse.ArgumentTypeError("%s is an invalid positive int value" % value) return ivalue parser = argparse.ArgumentParser(...) parser.add_argu...
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Quick easy way to migrate SQLite3 to MySQL? [closed]

...two file formats: The lines starting with: BEGIN TRANSACTION COMMIT sqlite_sequence CREATE UNIQUE INDEX are not used in MySQL SQLite uses CREATE TABLE/INSERT INTO "table_name" and MySQL uses CREATE TABLE/INSERT INTO table_name MySQL doesn't use quotes inside the schema definition MySQL uses singl...