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Pimpl idiom vs Pure virtual class interface
...ugh. OTOH in pure abstract case they effectively link by vtable index so reordering methods or inserting in the middle will break compatibility.
– SnakE
Nov 25 '15 at 11:13
1
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Eclipse error: “The import XXX cannot be resolved”
...g I chose to change was: Project > Properties > Java Build Path > Order and Export > make a meaningless order change > Apply.
Changing the order back does not regress to the problem.
Simply touching the file might also resolve the issue (I'll test touch next time).
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Use Mockito to mock some methods but not others
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Which characters need to be escaped in HTML?
...st:
http://www.theukwebdesigncompany.com/articles/entity-escape-characters.php
So you need to escape <, or & when followed by anything that could begin a character reference. Also The rule on ampersands is the only such rule for quoted attributes, as the matching quotation mark is the only th...
What are good examples of genetic algorithms/genetic programming solutions? [closed]
...nute-by-minute price data of the S&P500 futures, as well as a specific order (buy or sell) and stop-loss and stop-profit amounts. Each string (or "gene") had its profit performance evaluated by a run through 3 years of historical data; whenever the specified "shape" matched the historical data,...
EntityType has no key defined error
...that this post is late but
this solution helped me:
[Key]
[Column(Order = 0)]
public int RoleId { get; set; }
added [Column(Order = 0)]
after [Key]
can be added by increment by 1:
[Key]
[Column(Order = 1)]
public int RoleIdName { get; set; }
etc...
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SQL join: selecting the last records in a one-to-many relationship
... customer c INNER JOIN
(SELECT RANK() OVER (PARTITION BY customer_id ORDER BY date DESC) r, *
FROM purchase) p
ON (c.id = p.customer_id)
WHERE p.r = 1
share
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improve this answer...
What does the explicit keyword mean?
...rs callable with a single parameter to convert from one type to another in order to get the right type for a parameter.
Here's an example class with a constructor that can be used for implicit conversions:
class Foo
{
public:
// single parameter constructor, can be used as an implicit conversion
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What is the difference between MOV and LEA?
...rray[i] only means "dereference" when there is no &.
An example is in order.
Consider the code
movq (%rdi, %rsi, 8), %rbp
This loads the value at the memory location %rdi + %rsi * 8 into the register %rbp. That is: get the value in the register %rdi and the value in the register %rsi. Multi...
How to query as GROUP BY in django?
... @Gidgidonihah True, the example should read Members.objects.order_by('disignation').values('designation').annotate(dcount=Count('designation'))
– bjunix
Oct 30 '14 at 15:16
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