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Remap values in pandas column with a dict
...ertainly not the most elegant, but this answer deserves some credit. It is orders of magnitude faster for large dictionaries and doesn't use up all of my RAM. It remapped a 10,000 line file using a dictionary that had about 9 million entries in half a minute. The df.replace function, while tidy and ...
Is it possible to center text in select box?
...lect.html
This plugin hides the select element, and creates span elements etc on the fly to display a custom drop down list style. I'm quite confident you'd be able to change the styles on the spans etc to center align the items.
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Convert MySQL to SQlite [closed]
...ses them to mysqldump, so you can find out about configuring custom ports, etc with man mysql or man mysqldump
– Devin Howard
Oct 27 '15 at 4:47
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Hashing a file in Python
... benchmarked both the solution of (1) @Randall Hunt and (2) yours (in this order, is important due to file cache) with a file of around 116GB and sha1sum algorithm. Solution 1 was modified in order to use a buffer of 20 * 4096 (PAGE_SIZE) and set buffering parameter to 0. Solution 2 only algorithm w...
How to get disk capacity and free space of remote computer
...ay 1 '15 at 17:48
Null Pointers etc.Null Pointers etc.
1,78622 gold badges1212 silver badges2020 bronze badges
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Unable to load SOS in WinDbg
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The CLR runtime dll was renamed to clr.dll with .NET 4. So in order to load the correct version of SOS you need to adjust your .loadby command. I.e.
.loadby sos clr
Also, if you're on 64 bit, you should install the 32 bit version of Debugging Tools for Windows as well in order to deb...
Emacs on Mac OS X Leopard key bindings
...ork, but this result in me not being able to type braces and pipes '[]{}|' etc since they are on Option-7 and option now... well maps to meta. Any ideas?
– Martin Wickman
Oct 6 '09 at 15:15
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How do I move a redis database from one server to another?
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On Ubuntu, the Redis conf file is stored in /etc/redis/redis.conf, and you can search through it to find where your .rdb files are: cat /etc/redis/redis.conf | grep "rdb". In my case it's /var/lib/redis
– Herman Schaaf
Apr 29 '13 a...
How to articulate the difference between asynchronous and parallel programming?
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It is a question of order of execution.
If A is asynchronous with B, then I cannot predict beforehand when subparts of A will happen with respect to subparts of B.
If A is parallel with B, then things in A are happening at the same time as thi...
How to construct a WebSocket URI relative to the page URI?
...es by the websocket server such as passing tokens (e.g. via query params), etc.
– kanaka
Apr 11 '17 at 20:54
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