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Calculating a directory's size using Python?
... It is probably wise to add the '-x' option to the du command in order to confine the search to the filesystem. In other words, use ['du', '-shx', path] instead.
– Keith Hanlan
Sep 27 '17 at 20:35
...
Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
...0110000 0.623685 sec 16.8126 GB/s
I also tried to:
Reverse the test order, the result is the same so it rules out the cache factor.
Have the for statement in reverse: for (uint64_t i=size/8;i>0;i-=4). This gives the same result and proves the compile is smart enough to not divide size by 8...
Automapper - how to map to constructor parameters instead of property setters
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Tried something similar Mapper.CreateMap<Order, OrderViewModel>().ConstructUsing(x => new OrderViewModel(this)); ... Get a "The call is ambiguos" compiler error
– Chris Klepeis
Mar 29 '12 at 17:49
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How to search a specific value in all tables (PostgreSQL)?
... n.nspname !~ '^(pg_|information_schema)' -- exclude system schemas
ORDER BY n.nspname, c.relname
LOOP
RETURN QUERY EXECUTE format(
'SELECT $1, ctid FROM %s t WHERE t::text ~~ %L'
, _tbl, '%' || _like_pattern || '%')
USING _tbl;
END LOOP;
END
$func$ LANGUAGE...
Mock functions in Go
...erstand your second sentence. TDD drives better code. Your code changes in order to be testable (because testable code is necessarily modular with well-thought-out interfaces), but the primary purpose is to have better code--having automated tests is just an awesome secondary benefit. If your concer...
How to write to a file, using the logging Python module?
...Running Urban Planning")
self.logger = logging.getLogger('urbanGUI')
In order, the five parts do the following:
set the output file (filename=logname)
set it to append rather than overwrite (filemode='a')
determine the format of the output message (format=...)
determine the format of the outpu...
Example for boost shared_mutex (multiple reads/one write)?
... the number of readers. Let each reader take one count of the semaphore in order to read, that way they can all read at the same time. Then let the writer take ALL the semaphore counts prior to writing. This causes the writer to wait for all reads to finish and then block out reads while writing.
...
How to reset postgres' primary key sequence when it falls out of sync?
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@Valery: But in order to avoid gaps mentioned by @mikl two comments above, you need SELECT setval('your_table_id_seq', coalesce((select max(id)+1 from your_table), 1), false);
– Antony Hatchkins
Nov 9 '...
Correct way to close nested streams and writers in Java [duplicate]
...mplementer a way to track things to close
// assumes this is called in order for nested closeables,
// inner-most to outer-most
protected final <T extends Closeable> T autoClose(T closeable) {
closeables_.add(0, closeable);
return closeable;
}
publi...
TortoiseSVN icons not showing up under Windows 7
...oiseCVS icons. This is because the overlay icons are used in alphabetical order. Again, at your own risk (editing the registry may blow up your computer, yada, yada, yada -- and if you are reading Stack Overflow and using Windows and haven't edited the registry, you are a rare beast indeed), feel f...