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Programmatically scroll to a specific position in an Android ListView
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For a direct scroll:
getListView().setSelection(21);
For a smooth scroll:
getListView().smoothScrollToPosition(21);
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Can I see changes before I save my file in Vim?
...ng the file to the command (on stdin). In the command, - tells it to read from stdin.
– chaos
Oct 7 '13 at 16:15
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Count the occurrences of DISTINCT values
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SELECT name,COUNT(*) as count
FROM tablename
GROUP BY name
ORDER BY count DESC;
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What's the fastest way to delete a large folder in Windows?
... suggestion is the fastest. Install cygwin.com then use rm -rfv folderName from the cygwin command prompt.
– Lonnie Best
Jan 8 '13 at 20:34
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What is thread contention?
...e a lock is one type of thing that there can be contention over, it is far from the only such thing. There can be contention for lockless resources as well. (For example, if two threads keep atomically incrementing the same integer, they may experience contention due to cache ping-ponging. No locks ...
How to get database structure in MySQL via query
...CHEMA.TABLES table. It contains metadata about all your tables.
Example:
SELECT * FROM `INFORMATION_SCHEMA`.`TABLES`
WHERE TABLE_NAME LIKE 'table1'
The advantage of this over other methods is that you can easily use queries like the one above as subqueries in your other queries.
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Clear variable in python
...efined it in the first place. A value of None in Python is quite different from an undefined variable. None is quite like most other incarnations of null, however (until we get into more arcane details, at least).
– Ben
Nov 23 '11 at 5:57
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How do I create a ListView with rounded corners in Android?
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It doesn't work well with selection-highlighting though: When top or bottom item is selected, it's colored background is rectangular and drawn on top of the round-cornered background.
– Kris Van Bael
Jul 27 '11 a...
How do you run a single query through mysql from the command line?
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mysql -u <user> -p -e "select * from schema.table"
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Read and write a String from text file
I need to read and write data to/from a text file, but I haven't been able to figure out how.
21 Answers
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