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How to query as GROUP BY in django?
...apan
Tokyo: 33,000,000
It also works on QuerySets I believe.
source: https://docs.djangoproject.com/en/2.1/ref/templates/builtins/#regroup
edit: note the regroup tag does not work as you would expect it to if your list of dictionaries is not key-sorted. It works iteratively. So sort your list...
EJB's - when to use Remote and/or local interfaces?
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Linq to Entities join vs groupjoin
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Android ViewPager - Show preview of page on left and right
...rgin to the left and right sides of the RecyclerView item.
* Adapted from https://stackoverflow.com/a/27664023/4034572
* @param horizontalMarginInDp the margin resource, in dp.
*/
class HorizontalMarginItemDecoration(context: Context, @DimenRes horizontalMarginInDp: Int) :
RecyclerView.ItemDe...
Getting list of lists into pandas DataFrame
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Why was “Avoid Enums Where You Only Need Ints” removed from Android's performance tips?
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It is still bad for memory performance.
https://developer.android.com/training/articles/memory.html#Overhead
EDIT:
Now it is removed. Safe to use enums.
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Difference between python3 and python3m executables
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Why switch is faster than if
...his is called "Branch Prediction". For more information on this, see here: https://dzone.com/articles/branch-prediction-in-java
Your experiences may vary. I don't know that the JVM doesn't run a similar optimization on LookupSwitch, but I've learned to trust the JIT optimizations and not try to out...
How to capture Curl output to a file?
... can use pbcopy by using the pipe | after the cURL command.
Example: curl https://www.google.com/robots.txt | pbcopy. This will copy all the content from the given URL to your clipboard.
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How to git clone a specific tag
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git clone -b 13.1rc1-Gotham --depth 1 https://github.com/xbmc/xbmc.git
Cloning into 'xbmc'...
remote: Counting objects: 17977, done.
remote: Compressing objects: 100% (13473/13473), done.
Receiving objects: 36% (6554/17977), 19.21 MiB | 469 KiB/s
Will be f...