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Rails: How to get the model class name based on the controller class name?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Weighted random numbers
...er is less than that item's weight
Pseudo-code illustrating this:
int sum_of_weight = 0;
for(int i=0; i<num_choices; i++) {
sum_of_weight += choice_weight[i];
}
int rnd = random(sum_of_weight);
for(int i=0; i<num_choices; i++) {
if(rnd < choice_weight[i])
return i;
rnd -= choic...
ASP.NET MVC HandleError
...y default)
[HandleError(ExceptionType = typeof(SqlException), View = "DatabaseError")]
[HandleError(ExceptionType = typeof(NullReferenceException), View = "LameErrorHandling")]
You can also stack up additional attributes with specific information about the type of exception you are looking for. A...
Samples of Scala and Java code where Scala code looks simpler/has fewer lines?
...rrible usage of Java's decade(?) old XML library to an implementation done based on being terse is just not fair--and is far from a comparison of the languages!
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What is the relationship between UIView's setNeedsLayout, layoutIfNeeded and layoutSubviews?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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What's the difference between django OneToOneField and ForeignKey?
...)
>>> e2 = Engine2.objects.get(name='Wankel')
>>> e2.car2_set.all()
[<Car2: Mazda>]
Model Code
from django.db import models
class Engine(models.Model):
name = models.CharField(max_length=25)
def __unicode__(self):
return self.name
class Car(models.Model)...
Cannot resolve the collation conflict between “SQL_Latin1_General_CP1_CI_AS” and “Latin1_General_CI_
... your table(s) has by using this query:
SELECT
col.name, col.collation_name
FROM
sys.columns col
WHERE
object_id = OBJECT_ID('YourTableName')
Collations are needed and used when ordering and comparing strings. It's generally a good idea to have a single, unique collation used through...
What is the python keyword “with” used for? [duplicate]
...t in an object that supports the context management protocol (that is, has __enter__() and __exit__() methods).
Update fixed VB callout per Scott Wisniewski's comment. I was indeed confusing with with using.
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Why does Clojure have “keywords” in addition to “symbols”?
...
Brian CarperBrian Carper
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Printing without newline (print 'a',) prints a space, how to remove?
... you to set an end parameter. You can use it in >=2.6 by importing from __future__. I'd avoid this in any serious 2.x code though, as it will be a little confusing for those who have never used 3.x. However, it should give you a taste of some of the goodness 3.x brings.
>>> from __futur...