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What's the difference between identifying and non-identifying relationships?
... where a parent is not
required or mandatory where a parent is required by setting the
parent table cardinality...
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How do I read image data from a URL in Python?
What I'm trying to do is fairly simple when we're dealing with a local file, but the problem comes when I try to do this with a remote URL.
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Parsing huge logfiles in Node.js - read in line-by-line
I need to do some parsing of large (5-10 Gb)logfiles in Javascript/Node.js (I'm using Cube).
11 Answers
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Visualizing branch topology in Git
I'm playing with Git in isolation on my own machine, and I find it difficult to maintain a mental model of all my branches and commits. I know I can do a git log to see the commit history from where I am, but is there a way to see the entire branch topography, something like these ASCII maps that ...
Python - List of unique dictionaries
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The usual way to find just the common elements in a set is to use Python's set class. Just add all the elements to the set, then convert the set to a list, and bam the duplicates are gone.
The problem, of course, is that a set() can only contain hashable entries, and a dict ...
GROUP BY with MAX(DATE) [duplicate]
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You cannot include non-aggregated columns in your result set which are not grouped. If a train has only one destination, then just add the destination column to your group by clause, otherwise you need to rethink your query.
Try:
SELECT t.Train, t.Dest, r.MaxTime
FROM (
SEL...
git still shows files as modified after adding to .gitignore
...act timeframe).
I have finally removed these entries for good using
git reset
I assume this is only a GOOD IDEA when you have no changes staged/cached that you actually want to commit.
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How do I test if a variable is a number in Bash?
I just can't figure out how do I make sure an argument passed to my script is a number or not.
38 Answers
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Check if event exists on element [duplicate]
Is there a way to check if an event exists in jQuery? I’m working on a plugin that uses custom namespaced events, and would like to be able to check if the event is binded to an element or not.
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Does MS SQL Server's “between” include the range boundaries?
...160601 00:00:00.000' and '20160630 23:59:59.997'
datetime2 and datetimeoffset
Subtracting 3 ms from a date will leave you vulnerable to missing rows from the 3 ms window. The correct solution is also the simplest one:
where myDateTime >= '20160601' AND myDateTime < '20160701'
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