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I'm wrestling with a bit of weird generics behavior regarding being able to "narrow" return types when subclassing. I managed to reduce the problem to the following set of classes:
public class AbstractIndex { } public class TreeIndex extends AbstractIndex...
Started by JesperE on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Because I think you meant to say this:
public abstract class AbstractServiceTest<T extends AbstractIndex> { abstract IService<T> getService(); }
There's no purpose to making the separate V type variable, other than adding constraints that ... .
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Narrowing Integrated Windows Authentication to a subset of users for an intranet ASP.Net application
Scenario: An intranet ASP.Net application using Integrated Windows Authentication and a SqlRoleProvider for authorization. The application is used by a small subset of users within the domain.
If there are only a few users within the domain that should...
Started by tribus on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Or use forms authentication instead and write your....
Then you can allow only this group to use the application .
But you can do the following,
allocate the subset of users into a group, and use role rrovider for them .
IWA will authenticate all valid users.
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If compiler can perform implicit narrowing conversion on an integer literal, then it should also ...
If compiler is able to implicitly convert integer literal into byte type and assign the result to b ( b = 100; ), why can’t it also implicitly assign the result of an expression a+100 ( result is of type integer ) to b?
byte a = 10; byte b = a; //ok b...
Started by AspOnMyNet on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
If you use the assigning version of the operator ( += ) then it will perform the narrowing.
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Ask your Facebook Friends
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I have a model like:
CAMPAIGN_TYPES = ( ('email','Email'), ('display','Display'), ('search','Search'), ) class Campaign(models.Model): name = models.CharField(max_length=255) type = models.CharField(max_length=30,choices=CAMPAIGN_TYPES,default='display...
Started by Adam Nelson on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
In forms.py
CAMPAIGN_TYPES = ('email', 'display', 'search') # this would be derived from your Campaign modelform class EnhancedCampaignForm(CampaignForm... .
What you need to do is create a custom validator on clean() .
Choices are for lists only, not CharFields.
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EDIT:That was fast. The reason why I have this is because the table is a pivot table between 2 tables one has "id" as primary key and the other "type" primary key
Hello.
I want the following:
Find only find "id" where "type" is 1 AND 2 AND 3
This is not...
Started by Cudos on
, 9 posts
by 9 people.
Answer Snippets (Read the full thread at stackoverflow):
Your id column should be a primary key that ... .
It destroys the point of having one.
You should not have multiple rows with the same id .
If I understand you correctly, couldn't you just add LIMIT 1 at the end of your query?
You're doing something wrong .
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(Postgres 8.3)
I'm working with a DB table X 100+ columns wide (which I can't change sadly) many of which get updated constantly and very frequently by normal business process.
I have a requirement to update table Y based on updates to a particular column...
Started by annakata on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
Why a standard trigger is unacceptable? Running a function, which first checks if NEW.column... .
Unfortunately until version 9.0 is released ( which includes both column triggers and a WHEN clause for triggers ) you'll have to resort to the second solution .
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Having big trouble narrowing down brands of portable mills there must be 50 makers of portable mills that i have found in just a short search. i have narrowed it down to Baker, EZ, cooks, american bandsaws, anyone im forgetting im in the 8000.00 range...
Started by Skywalker on
, 15 posts
by 9 people.
Answer Snippets (Read the full thread at arboristsite):
Originally Posted by Skywalker Thomas 8020 Bandsaw Mill
heres the mill im getting, around 8700.00 shipped and heres a pic of the new shop where the magic will happen What happened to that? Saws 'n bars:Efco MT 3600 ($50 - 10", 16... .
Buy used.
Norwood...
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I have two leafs out of stock leaf pack. 3" blocks. and whatever shocks i got a while ago. whats the best (least costly lol) way to go? it'll mostly be on street but i still want to hook as best i can, without tubbing/narrowing anything... i do keep looking...
Started by 96stroker on
, 14 posts
by 6 people.
Answer Snippets (Read the full thread at v8s10):
Who says you cant make junk fly With leafs pulled AND 3" blocks... .
3500 lbs.
357" small block.
Carb and e85.
8.956 at 150.73mph stock .010 block no hardblock.
Close thread if you cant hook on this u need more power .
50/50 shock, cal track leafs and bars.
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Decided to narrow the bumpers before painting the car. Still a ways from paint but getting there,
left side stock, right side narrowed::
Started by nillabu on
, 15 posts
by 1 people.
Answer Snippets (Read the full thread at maliburacing):
Also, just a FYI when you narrow the front bumper, you will have to set the bumper back at least.
When you narrow the front bumper, you will have to set the bumper back at least a 1/2 inch to get.
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Need Help narrowing down Wedding Photograhers - What should we look for? I am the BM in my bro's wedding, I am also in charge of blogging + sourcing out all Photograhy + Video + finding the DJ and facilitating the score for the reception. I advised I ...
Started by Neovingian on
, 15 posts
by 11 people.
Answer Snippets (Read the full thread at redflagdeals):
The B&G have to like the photos....
However, I'd and money.
Props to you for taking up such a big task .
Since I am a firm believer the photographers and narrowing it down.
Potential candidates and narrow them down to 5 and then stick with 2.
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