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Why extend the Android Application class?
...m curious why we are making static singleton object. What you think is the best approach. Thanks for replying.
– Syed Raza Mehdi
Aug 17 '16 at 7:05
1
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How can I remove duplicate rows?
What is the best way to remove duplicate rows from a fairly large SQL Server table (i.e. 300,000+ rows)?
38 Answers
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How to update Ruby to 1.9.x on Mac?
...leopard default of 1.8.7. Can somebody point me to tutorial or explain the best method to update Ruby on my mac from 1.8 to 1.9.2? Thanks
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Get list of data-* attributes using javascript / jQuery
...y stored in the markup as a data-* attribute, this method might not be the best choice.
– Philip Walton
Feb 16 '12 at 22:33
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show 2 more co...
Django rest framework nested self-referential objects
...ult using a serializers.SerializerMethodField. I'm not sure if this is the best way, but worked for me:
class CategorySerializer(serializers.ModelSerializer):
subcategories = serializers.SerializerMethodField(
read_only=True, method_name="get_child_categories")
class Meta:
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How to get multiple counts with one SQL query?
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Why this might not be the best answer: always a full table scan. Consider a join of count-subqueries, or nested counts in a select. However with no indexes present, this might be best as you have guaranteed only one table scan vs multiple. See answer ...
Chrome desktop notification example [closed]
... many browsers (see support on caniuse), and require user permission. As a best practice, don't ask for this permission right off the bat. Explain to the user first why they would want notifications and see other push notifications patterns.
Note that Chrome doesn't honor the notification icon on L...
android asynctask sending callbacks to ui [duplicate]
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@DmitryZaitsev very nice suggestion, I Think this is the best solution yet on non-private-inner class AsyncTask problems :-)
– WiZarD
May 8 '13 at 13:28
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How do I get time of a Python program's execution?
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@moudi The top answer to this question is your best bet. Just set the start time right before you loop, and calculate the elapsed time at the exit of the loop.
– Nicojo
Jun 14 '19 at 19:08
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How to convert a SVG to a PNG with ImageMagick?
...png
If you use -resize, the image is fuzzy and the file is much larger.
BEST
~$ rsvg -w 1024 -h 1024 infile.svg outfile.png
It is fastest, has the fewest dependencies, and the output is about 30% smaller than convert. Install librsvg2-bin to get it. There does not appear to be a man page bu...