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Problems with Android Fragment back stack
...can we prevent this behaviour without resorting to hacky ways like the one from DexterMoon, or the one from Nemanja using popBackStack which shows the Fragment while playing the transition animation?
– momo
Sep 27 '13 at 7:31
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How to prevent going back to the previous activity?
...BACK button is pressed on the phone, I want to prevent a specific activity from returning to its previous one.
13 Answers
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What is an MvcHtmlString and when should I use it?
...n MvcHtmlString.Create(result)
End Function
I could have returned String from this method, but if I had the following would break:
<%: Html.CssBlock(Url.Content("~/sytles/mysite.css")) %>
With MvcHtmlString, using either <%: ... %> or <%= ... %> will both work correctly.
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What is the difference between `raise “foo”` and `raise Exception.new(“foo”)`?
...se" error than a RuntimeError, because you have to do more work to recover from it.
So which you want depends on how your project does its error handling. For instance, in our daemons, the main loop has a blank rescue which will catch RuntimeErrors, report them, and then continue. But in one or two...
Algorithm to calculate the number of divisors of a given number
... of O(N / log(log(N))) at best. Brute-force checking all possible divisors from 1 ... Sqrt(n) has a runtime complexity of O(Sqrt(N)) which is far superior. How come this answer has been accepted?
– le_m
Mar 13 '17 at 15:57
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How do I perform HTML decoding/encoding using Python/Django?
...LParser()
unescaped = html_parser.unescape(my_string)
# >= Python 3.5:
from html import unescape
unescaped = unescape(my_string)
As a suggestion: it may make more sense to store the HTML unescaped in your database. It'd be worth looking into getting unescaped results back from BeautifulSoup i...
Python Empty Generator Function
... Python 3.3 and above (as suggested by DSM), this:
def empty():
yield from ()
The presence of the yield keyword makes it clear at the briefest glance that this is just another generator function, exactly like all the others. It takes a bit more time to see that the iter(()) version is doing t...
Why does PHP 5.2+ disallow abstract static class methods?
...ling strict warnings in PHP 5.2, I saw a load of strict standards warnings from a project that was originally written without strict warnings:
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How to use CURL via a proxy?
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I already solved it though. I'm sure others will benefit from this.
– coding_idiot
Sep 27 '13 at 19:03
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g++ undefined reference to typeinfo
...ody (will contain null-pointer most likely). However, nobody prohibits you from calling this pure virtual function in a non-virtual manner, i.e. by using a fully-qualified name. In this case the linker will look for the body, and you will have to define the function. And yes, you can define a body f...