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Advantage of creating a generic repository vs. specific repository for each object?
...t every entity has a repository. Queries vary wildly; the repository API becomes as unique as the entity itself.
A pattern I often use is to have specific repository interfaces, but a base class for the implementations. For example, using LINQ to SQL, you could do:
public abstract class Repository...
Representing graphs (data structure) in Python
...s to be a DFS as it keeps on expanding nodes. For the shortest path we can compare the length of the paths and return only the shortest one at the end.
– Jwalant Bhatt
Sep 20 '17 at 3:20
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“Delegate subtraction has unpredictable result” in ReSharper/C#?
... to say that the .NET framework defines overloads - it's baked into the C# compiler. Delegate does not overload + and -.)
– Jon Skeet
Jun 24 '12 at 18:44
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Java Generics (Wildcards)
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Just wanted to recommend another reference on Java Generics: angelikalanger.com/GenericsFAQ/JavaGenericsFAQ.html
– Zach Scrivena
Nov 1 '08 at 3:27
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Is it possible to include a file in your .gitconfig
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postgresql: INSERT INTO … (SELECT * …)
... edited May 23 '17 at 12:26
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answered May 21 '11 at 17:53
Grzegorz Szpetkowsk...
Creating temporary files in bash
... It seems the most safe and most cross-platform way to use mktemp is in combination with basename, like so mktemp -dt "$(basename $0). XXXXXXXXXX". If used without basename you might get an error like this mktemp: invalid template, `/tmp/MOB-SAN-JOB1-183-ScriptBuildTask-7300464891856663368.sh.XXX...
mongodb group values by multiple fields
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This turns out to be very difficult to do, but it can be done though the complexity just increases with the number of items you need to match. To keep it simple we can keep this at 2 matches at most:
db.books.aggregate([
{ "$group": {
"_id": {
"addr": "$addr",
"...
Regular expression search replace in Sublime Text 2
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Difference between “module.exports” and “exports” in the CommonJs Module System
On this page ( http://docs.nodejitsu.com/articles/getting-started/what-is-require ), it states that "If you want to set the exports object to a function or a new object, you have to use the module.exports object."
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