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What is this 'Lambda' everyone keeps speaking of?
...ing.
And functional programming is yet another programming paradigm (like procedural, or object-oriented).
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Understanding the map function
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The map() function is there to apply the same procedure to every item in an iterable data structure, like lists, generators, strings, and other stuff.
Let's look at an example:
map() can iterate over every item in a list and apply a function to each item, than it will r...
When to use CouchDB over MongoDB and vice versa
...pid Application Development friendly - they have nothing to do with stored procedures).
To address points raised in the accepted answer : CouchDb has a great versionning system, but it doesn't mean that it is only suited (or more suited) for places where versionning is important. Also, couchdb is h...
When/Why to use Cascading in SQL Server?
...an order.
I like the clarity that I get from doing it in code (or stored procedure) rather than 'magic' happening.
For the same reason I am not a fan of triggers either.
Something to notice is that if you do delete an 'order' you will get '1 row affected' report back even if the cascaded delete...
How to define a custom ORDER BY order in mySQL
...Nope. Not all CASE need END CASE, it's dependant on context. CASE within PROCEDURE require END CASE ( dev.mysql.com/doc/refman/5.5/en/case.html ) however CASE within SELECT does not require END CASE, simply END (dev.mysql.com/doc/refman/5.7/en/… ) - in this context it's a control flow function....
How do I automatically update a timestamp in PostgreSQL
...GER update_customer_modtime BEFORE UPDATE ON customer FOR EACH ROW EXECUTE PROCEDURE update_modified_column();
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When is a function too long? [closed]
...ted in other methods: poor code re-use is a huge contributor to monolithic procedural code. A lot of such logic duplication can be very subtle, but once re-factored, the end result can be a far more elegant design.
Excessive inter-class coupling: this lack of proper encapsulation results in functio...
Fastest Way to Find Distance Between Two Lat/Long Points
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You can find a mysql procedure for this approach in this presentation: scribd.com/doc/2569355/Geo-Distance-Search-with-MySQL
– Lucia
May 4 '10 at 20:19
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Automating “enter” keypresses for bash script generating ssh keys
... I make production use of ssh-keygen -N '' as part of an automated install procedure, and it doesn't read stdin at all, so there's no need for the echo (any echo variant) piped into it. (Granted, I believe stdin is connected to /dev/null in my production use case; there could well be different behav...
Trying to fix line-endings with git filter-branch, but having no luck
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My procedure for dealing with the line endings is as follows (battle tested on many repos):
When creating a new repo:
put .gitattributes in the very first commit along with other typical files as .gitignore and README.md
W...