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Select DISTINCT individual columns in django?
I'm curious if there's any way to do a query in Django that's not a " SELECT * FROM... " underneath. I'm trying to do a " SELECT DISTINCT columnName FROM ... " instead.
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Why does C++ not allow inherited friendship?
... being forbidden for obvious reasons (I say this only to head off simple FAQ quote answers), but the lack of something along the lines of virtual friend class Foo; puzzles me. Does anyone know the historical background behind this decision? Was friendship really just a limited hack that has sinc...
Can I create a named default constraint in an add column statement in SQL Server?
...PK_TestTable PRIMARY KEY
--let the string be unique (results in a unique index implicitly)
,SomeUniqueString VARCHAR(100) NOT NULL CONSTRAINT UQ_TestTable_SomeUniqueString UNIQUE
--define two constraints, one for a default value and one for a value check
,SomeNumber INT NULL CONSTRAINT DF_TestTa...
O(nlogn) Algorithm - Find three evenly spaced ones within binary string
I had this question on an Algorithms test yesterday, and I can't figure out the answer. It is driving me absolutely crazy, because it was worth about 40 points. I figure that most of the class didn't solve it correctly, because I haven't come up with a solution in the past 24 hours.
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git - merge conflict when local is deleted but file exists in remote
...t--1--base
Compare the working tree with the "base" version [...]. The index contains these stages only for unmerged entries i.e. while resolving conflicts.
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How can I recover the return value of a function passed to multiprocessing.Process?
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I would recommend using a multiprocessing.Queue, rather than a Manager here. Using a Manager requires spawning an entirely new process, which is overkill when a Queue would do.
– dano
Apr 19 '15 at 0:54
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Python element-wise tuple operations like sum
... tuple([item1 + item2 for item1, item2 in zip(a, b)]) would be the equivalent as a list comprehension.
– Adam Parkin
Feb 13 '12 at 21:20
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Set cURL to use local virtual hosts
...h PHP and when I manually make the request with curl.exe I get the default index of the server which means it's not respecting the HOST header.
– Xeoncross
Aug 11 '10 at 15:29
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Where are my postgres *.conf files?
...#enable_bitmapscan = on
#enable_hashagg = on
#enable_hashjoin = on
#enable_indexscan = on
#enable_material = on
#enable_mergejoin = on
#enable_nestloop = on
#enable_seqscan = on
#enable_sort = on
#enable_tidscan = on
# - Planner Cost Constants -
#seq_page_cost = 1.0 # measured on an arb...
Why does ReSharper want to use 'var' for everything?
...out I opened up a recent ASP.NET MVC project. One of the first and most frequent things I've noticed it suggesting is to change most/all my explicit declarations to var instead. For example:
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