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It will always be more efficient to use more specific change events if . . . It's just a suggestion by Android studio to update data in RecyclerView This advice to notify change in the Recycler view items using particular postion update only like, notifyItemChanged(int), notifyItemInserted(int), notifyItemRemoved(int) ,notifyItemRangeChanged(int, int), notifyItemRangeInserted(int, int), notifyItemRangeRemoved(int, int)
How to completely resort RecyclerViews SortedList The following method worked for me to switch to a new comparator to re-sort the list I found the animation much smoother with an additional call to notifyDataSetChanged()
Performance optimization strategies of last resort The list goes on But these sorts of things really are the last resort Build for x86, and run Valgrind Cachegrind against the code for proper performance profiling Or Texas Instruments' CCStudio has a sweet profiler Then you'll really know where to focus
Select the latest MySQL Data but unique resort - Stack Overflow First group the rows by resort to find the max of dateAdded, then query (join) the rows that have the same dateAdded with the max One problem is, if the same resort b is added in the same time, twice or more, it will take only the first row But I think is slightly possible
How to resort a MultiIndex DataFrame by second level I have a DataFrame with a MultiIndex The index fields are OptionSymbol (level 0) and QuoteDatetime (level 1) I have indexed and sorted the DataFrame like so: sorted = df sort_values( ['Option
sql - Resort (reorder) table data - Stack Overflow Having data ordered does not mean that you won't need ORDER BY clause in your queries anymore It just means that the logical order or the data is likely to match the physical order, and retrieving the data in logical order (say, from an index scan) will more likely result in a sequential read access to the table
python - How do I sort a dictionary by key? - Stack Overflow Note: for Python 3 7+, see this answer Standard Python dictionaries are unordered (until Python 3 7) Even if you sorted the (key,value) pairs, you wouldn't be able to store them in a dict in a way that would preserve the ordering