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Boolean Field in Oracle
...inst using 0 / 1, i can't find the link currently but storage for a number ranges from 1 - 22 bytes depending on configuration
– MikeT
Oct 8 '13 at 14:25
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With Mercurial, how can I “compress” a series of changesets into one before pushing?
...irst> and <last> are the first and last changesets
-- in the range of revisions you want to collapse
hg qpop <first>.diff
-- remove all except for the first patch from the queue
-- note: mq names patches <#>.diff when it imports them, so we're using that here
hg q...
Neo4j - Cypher vs Gremlin query language
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Update from 2018 - given a large range of native index types in modern versions of neo4j, this answer is substantially out of date; neo4j has published performance numbers
– FrobberOfBits
Aug 1 '18 at 18:01
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How do I translate an ISO 8601 datetime string into a Python datetime object? [duplicate]
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pyiso8601 has a very limited range of formats which it accepts. better use dateutil.parser --> "Currently the following formats are handled: 1) 2006-01-01T00:00:00Z 2) 2006-01-01T00:00:00[+-]00:00" Having [+-]0000 as tz-information is just as valid un...
Safest way to convert float to integer in python?
...here int(floor(2.3)) might be 1.
This post explains why it works in that range.
In a double, you can represent 32bit integers without any problems. There cannot be any rounding issues. More precisely, doubles can represent all integers between and including 253 and -253.
Short explanation: A dou...
Is MATLAB OOP slow or am I doing something wrong?
...re reference-counted, because they use copy-on-write and shared underlying raw data.
– Andrew Janke
Apr 19 '19 at 9:20
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Fastest way to check if string contains only digits
...*2; var ss = new SortedSet<string>(); //s = string.Concat(Enumerable.Range(0, 127).Select(i => ((char)i ^ '0') < 10 ? 1 : 0));
w.Restart(); for (int i = 0; i < r; i++) b = s.All(char.IsDigit); w.Stop(); ss.Add(w.Elapsed + ".All .IsDigit");
w.Restart(); for (int i = 0; i < ...
Validate a username and password against Active Directory?
...erwise invoking the Win32 LogonUser API call. The list below summarizes a range of common values with hex and decimal values:
525 user not found (1317)
52e invalid credentials (1326)
530 not permitted to logon at this time (1328)
531 not permitted to logon at this workstation...
Getting the location from an IP address [duplicate]
...might not even be valid (not assigned to anyone or outside valid public IP range).
– eselk
Apr 16 '14 at 19:32
On thei...
Which is faster: multiple single INSERTs or one multiple-row INSERT?
... the improvement drops off markedly, and somewhere in the n = 10 to n = 50 range the improvement becomes negligible.
Hope that helps people decide on (a) whether to use the multiprepare idea, and (b) how many VALUE blocks to create per statement (assuming you want to work with data that may be larg...