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What is Python used for? [closed]
...obmon: Python dynamic, interpreted nature allows for faster prototyping an order of magnitude above C. So, the answer is, Python is less verbose and development cycles are many times faster compared to C.
– Paulo Scardine
Jul 15 '13 at 20:32
...
How can I do SELECT UNIQUE with LINQ?
...
The Distinct() is going to mess up the ordering, so you'll have to the sorting after that.
var uniqueColors =
(from dbo in database.MainTable
where dbo.Property == true
select dbo.Color.Name).Distinct().OrderBy(n...
SQL to determine minimum sequential days of access?
...NUMBER() OVER (PARTITION BY UserID
ORDER BY CreationDate)
- DATEDIFF(day,'19000101',CreationDate) AS TheOffset,
CreationDate,
UserID
FROM tablename)
SELECT MIN(CreationDate),
MAX(CreationDate),
...
What is the usefulness of PUT and DELETE HTTP request methods?
... led to URIs containing verbs, like for instance
POST http://example.com/order/1/delete
or even worse
POST http://example.com/deleteOrder/id/1
effectively tunneling CRUD semantics over HTTP. But verbs were never meant to be part of the URI. Instead HTTP already provides the mechanism and sema...
What Makes a Method Thread-safe? What are the rules?
...e a complete knowledge of the threading behaviour of the entire program in order to ensure its safety.
Again, look at my example: every method is trivial. It is the way that the methods interact with each other at a "global" level that makes the program deadlock. You can't look at every method and...
How do I preview emails in Rails?
...tes contain any dynamic data, it won't work. E.g. suppose your email is an order receipt and within it you print out @order.total_price - using the previous method the @order variable will be nil.
Here's a little recipe I use:
First, since this email preview functionality is definitely for interna...
List columns with indexes in PostgreSQL
...um = ANY(ix.indkey)
and t.relkind = 'r'
and t.relname like 'test%'
order by
t.relname,
i.relname;
table_name | index_name | column_name
------------+------------+-------------
test | pk_test | a
test | pk_test | b
test2 | uk_test2 | b
test2 | uk_te...
How do C++ class members get initialized if I don't do it explicitly?
... mem-initializer-list, and members can only be initialized in a prescribed order (basically the order in which the members are declared in the class). Thus, the members of Example can only be initialized in the order: ptr, name, pname, rname, crname, and age.
When you do not specify a mem-initializ...
Implications of foldr vs. foldl (or foldl')
... To avoid confusion, note that the parentheses do not show the actual order of evaluation. Since Haskell is lazy the outermost expressions will be evaluated first.
– Lii
Oct 29 '13 at 16:29
...
Regex - Should hyphens be escaped? [duplicate]
...er in the range (e.g. [-a-z] or [0-9-]), OR escape it (e.g. [a-z\-0-9]) in order to add "hyphen" to your class.
It's more common to find a hyphen placed first or last within a character class, but by no means will you be lynched by hordes of furious neckbeards for choosing to escape it instead.
(A...