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Random row from Linq to Sql
...fetch every element unless you get the count.
What you can do is keep the idea of a "current" value and the current count. When you fetch the next value, take a random number and replace the "current" with "new" with a probability of 1/n where n is the count.
So when you read the first value, you ...
Efficient way to remove ALL whitespace from String?
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Cool idea ... but i would do it as follows: string.Concat("H \ne llo Wor ld".Split())
– michaelkrisper
Feb 5 '16 at 14:05
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if a ngSrc path resolves to a 404, is there a way to fallback to a default?
...h a solution to more or less the same issue in a system I'm building.
My idea was, though, to handle EVERY image img tag globally.
I didn't want to have to pepper my HTML with unnecessary directives, such as the err-src ones shown here. Quite often, especially with dynamic images, you won't know ...
Finding the PHP File (at run time) where a Class was Defined
...e curiosity here. What made you think this answer was any better than the idea I'd already considered and rejected? " I realize I could use (get_included_files()) to get a list of all the files that have been included so far and then parse them all manually, but that's a lot of file system access ...
How to update maven repository in Eclipse?
... there no option of Update Snapshots in my eclipse indigo , do u have any idea how to do in that
– Hunt
May 7 '13 at 16:28
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erb, haml or slim: which one do you suggest? And why? [closed]
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Premature optimization isn't a good idea if it requires a lot of additional work, but simply choosing one similar library over another because of a significant performance benefit is not premature.
– Jamon Holmgren
Apr 14 ...
Changing my CALayer's anchorPoint moves the view
...NSLog position and frame they look correct but my view is still moved. Any idea why? It's like the new position isn't taken into account.
– Alexis
Jun 19 '14 at 13:29
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How do I get a class instance of generic type T?
...clazz = Class.forName(className);
You have to note this operation is not ideal, so it is a good idea to cache the computed value to avoid multiple calculations on this. One of the typical uses is in generic DAO implementation.
The final implementation:
public abstract class Foo<T> {
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Create a devise user from Ruby console
Any idea on how to create and save a new User object with devise from the ruby console?
5 Answers
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how to unit test file upload in django
...ecution of your tests is really important.
Accessing any I/O is not a good idea.
So, I recommend you to refactor your view to use a function like:
def upload_file_to_location(request, location=None): # Can use the default configured
And do some mocking on that. You can use Python Mock.
PS: You...