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What is hashCode used for? Is it unique?
...r Cruel's entire being: his looks, hair colour, personality, eating habits etc must (ideally) be reflected in his fingerprint, such that if he has a brother (who is very similar but not the same) - then both should have different finger prints. I say "should" because we cannot guarantee 100% that tw...
HTML5 Canvas Resize (Downscale) Image High Quality?
...n of the input pixels is right inside a destination pixels, overlaps an X border, an Y border, or both.
( A scheme would be nice here, but i don't have one. )
Here's an example of canvas scale vs my pixel perfect scale on a 1/3 scale of a zombat.
Notice that the picture might get scaled in your ...
How to log PostgreSQL queries?
...ration file. On Debian and Ubuntu GNU/Linux, this file usually resides at /etc/postgresql/$v/main/postgresql.conf, where $v is the server version. Also, on the aforementioned systems, when log_destination = 'stderr', the output is written to /var/log/postgresql/postgresql-$v-main.log, where $v is th...
Calculate difference in keys contained in two Python dictionaries
...t[4]['b'][2]": {'newvalue': 2, 'oldvalue': 3}}}
List difference ignoring order or duplicates: (with the same dictionaries as above)
>>> t1 = {1:1, 2:2, 3:3, 4:{"a":"hello", "b":[1, 2, 3]}}
>>> t2 = {1:1, 2:2, 3:3, 4:{"a":"hello", "b":[1, 3, 2, 3]}}
>>> ddiff = DeepDiff(...
https connection using CURL from command line
...
I had the same problem - I was fetching a page from my own site, which was served over HTTPS, but curl was giving the same "SSL certificate problem" message. I worked around it by adding a -k flag to the call to allow insecure connections.
curl -k https://...
How to iterate over a TreeMap? [duplicate]
...
will this give out the values ordered?
– phil294
Sep 26 '16 at 23:51
1
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Extract every nth element of a vector
... An advantage of this approach is it can be used on a temporary; in order to use seq you have to be able to call length on the vector. letters[letters < 'm'][c(TRUE, FALSE, FALSE)]
– Matt Chambers
Sep 14 '17 at 21:07
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How can I add comments in MySQL?
...entally, I found the COMMENT argument had to be before any AFTER argument; order is important, evidently.
– Soft Bullets
Feb 9 '18 at 9:15
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I want to use CASE statement to update some records in sql server 2005
... [dbo].[ProductionQueueProcessAutoclaveNominals]
WHERE
[QueueId] = 3
ORDER BY
[BaseDimensionId], [ElastomerTypeId], [Id];
---- (403 row(s) affected)
UPDATE [dbo].[ProductionQueueProcessAutoclaveNominals]
SET
[CycleId] = X.[CycleId]
FROM
[dbo].[ProductionQueueProcessAutoclaveNomi...
How to find out “The most popular repositories” on Github? [closed]
...The gitmostwanted.com project (repo at github) analyses GH Archive data in order to highlight the most interesting repositories and exclude others. Just compare the results with mentioned resources.
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