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Cast a Double Variable to Decimal
...a follow up question, why is the explicit conversion needed? I've tried it out and I get an error that a double cannot be explicitly cast to a decimal, but doesn't a decimal carry more precision? (i.e. much like casting from an int to a double can be implicit.)
– user2821275
...
Add custom icons to font awesome
...lt;path> element that is a child of the <svg>. Like this (leaving out some details for clarity):
<svg>
<path d=SVG_PATH_DATA></path>
</svg>
(Adapted from my similar answer here: https://stackoverflow.com/a/50338775/4642871)
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How to get the result of OnPostExecute() to main activity because AsyncTask is a separate class?
...
Easy:
Create interface class, where String output is optional, or can be whatever variables you want to return.
public interface AsyncResponse {
void processFinish(String output);
}
Go to your AsyncTask class, and declare interface AsyncResponse as a field :
p...
How does Chrome's “Request Desktop Site” option work?
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I would like to point out that the "layout viewport" would also change if one triggers "Request Desktop Site" option, which affects media query. Check the-mobile-web-handbook for more infomation about layout viewport.
– Rick
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What is offsetHeight, clientHeight, scrollHeight?
... element would require in order to fit all the content in the viewport without using a vertical scrollbar. The height is measured in the same way as clientHeight: it includes the element's padding, but not its border, margin or horizontal scrollbar.
Same is the case for all of these with width inst...
Spring @Autowired usage
...our system to keep track of. The "bean name" is effectively gone. It turns out the bean name only exists because of xml. So a full layer of abstract indirections (where you would wire bean-name "foo" into bean "bar") is gone. Now I wire the "Foo" interface into my bean directly, and implementation i...
How to print the full traceback without halting the program?
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Some other answer have already pointed out the traceback module.
Please notice that with print_exc, in some corner cases, you will not obtain what you would expect. In Python 2.x:
import traceback
try:
raise TypeError("Oups!")
except Exception, err:
try...
Django select only rows with duplicate field values
...ed answer, I think I will stick with this solution, you can even do it without list comprehension by using values_list('name', flat=True)
– dragoon
Jan 24 '12 at 15:45
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How to use shared memory with Linux in C
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There are two approaches: shmget and mmap. I'll talk about mmap, since it's more modern and flexible, but you can take a look at man shmget (or this tutorial) if you'd rather use the old-style tools.
The mmap() function can be used to allocate memory buffers with highly customiz...
Vim: Move cursor to its last position
...ous edit locations.
On Non-US Keyboards
On my Swiss and German keyboard layouts, typing ; inconveniently requires using the Shift key. Hence, I defined g- as a more convenient alias for g; in $MYVIMRC:
" Map g- as an alias for g;
nnoremap g- g;
...