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Linq to Entities join vs groupjoin
...groups. This can be turned into a flat list of parent-child pairs by two small additions:
from p in parents
join c in children on p.Id equals c.Id into g // <= into
from c in g.DefaultIfEmpty() // <= flattens the groups
select new { Parent = p.Value, Child = c?.ChildValue }
The ...
How to find where a method is defined at runtime?
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This is really late, but here's how you can find where a method is defined:
http://gist.github.com/76951
# How to find out where a method comes from.
# Learned this from Dave Thomas while teaching Advanced Ruby Studio
# Makes the cas...
IntelliJ IDEA: Move line?
I really like IntelliJ IDEA's "Move statement" shortcut ( Ctrl + Shift + ↑ / ↓ ). However -- I am not sure if this is a bug releated to ActionScript editing only -- move statement is not always what I want and sometimes it is not correct when editing AS code.
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Is there any Rails function to check if a partial exists?
..., I'm using the following in my Rails 3/3.1 projects:
lookup_context.find_all('posts/_form').any?
The advantage over other solutions I've seen is that this will look in all view paths instead of just your rails root. This is important to me as I have a lot of rails engines.
This also works in R...
Count the number occurrences of a character in a string
...e counts for a lot of the letters in a given string, Counter provides them all in a more succinct form. If you want the count for one letter from a lot of different strings, Counter provides no benefit.
– Brenden Brown
Feb 17 '15 at 19:30
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Is it possible to change the location of packages for NuGet?
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It's now possible to control which folder the packages are installed into.
http://nuget.codeplex.com/workitem/215
Edit:
See Phil Haack's comment on Dec 10 2010 at 11:45 PM (in the work item/the link above). The support is partially implemented in 1.0, but is not documented.
According...
How do I do a case-insensitive string comparison?
...he string Σίσυφος (“Sísyphos”, or better “Síſyphos”) has all three: uppercase at the front, lowercase final at the end, and lowercase nonfinal at the third position. If your two strings are Σίσυφος and ΣΊΣΥΦΟΣ, then your approach fails, because those are supposed to ...
Emulating a do-while loop in Bash
...ing different, only that true is not a built-in in Bash. It's a program usually found in /bin.
– Fleshgrinder
Feb 12 at 22:07
1
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Difference between a Seq and a List in Scala
...tional programming. However, it has limitations and it's inadequate for parallel programming. These days, Vector is a better choice than List, but habit is hard to break.
Seq is a good generalization for sequences, so if you program to interfaces, you should use that. Note that there are actually t...
Remove characters except digits from string using Python?
How can I remove all characters except numbers from string?
15 Answers
15
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