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Git submodule inside of a submodule (nested submodules)
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As Sridhar comments below, from Git1.6.5+, git clone --recursive is now the official alternative, described in:
"git clone --submodule"
"Retrospectively add --recursive to a git repo"
(with the alias $ git config --global alias.cloner = 'clone --rec...
Ruby on Rails Callback, what is difference between :before_save and :before_create?
... read update instead of create everywhere (and UPDATE instead of INSERT).
From this, you can see that validation is carried out before the before_save and before_create callbacks.
The before_save occurs slightly before the before_create. To the best of my knowledge, nothing happens between them; ...
Why does TestInitialize get fired for every test in my Visual Studio unit tests?
...ith the ClassInitialize and ClassCleanup attributes.
Relevant information from the auto generated test-file in Visual Studio:
You can use the following additional attributes as you write your tests:
// Use ClassInitialize to run code before running the first test in the class
[ClassInitialize()]
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What does Expression.Quote() do that Expression.Constant() can’t already do?
...on.
(Aside: I've just reviewed the code generator for delegate creation from quoted expression trees, and unfortunately a comment that I put into the code back in 2006 is still there. FYI, the hoisted outer parameter is snapshotted into a constant when the quoted expression tree is reified as a d...
C# - Multiple generic types in one list
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I have a similar problem, but my generic class extends from another generic class, so I can't use your solution... any ideas on a fix for this situation?
– Sheridan
Aug 8 '12 at 12:44
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Can someone explain Microsoft Unity?
...en and felt that was a good explaination with examples. Here is a snippet from the show notes:
The screencast shows several common usages of the Unity IoC, such as:
Creating Types Not In Container
Registering and Resolving TypeMappings
Registering and Resolving Named TypeMappings
Singletons, ...
C++ const map element access
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Does the C++ standard forbid the implementation from defining additional non-standard member functions in library classes?
– Tim Martin
Feb 27 '11 at 17:31
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How do I install imagemagick with homebrew?
...hen I retried brew install imagemagick and it correctly pulled the package from the new mirror, instead of adamv.
If that does not work, ensure that /Library/Caches/Homebrew does not contain any imagemagick files or folders. Delete them if it does.
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Write a program that will surely go into deadlock [closed]
...ertainty of deadlock. In some sense, the distinction is an academic issue. From a practical standpoint, I'd certainly like to see a running system that doesn't deadlock with the code I've written above :)
However, interview questions can be academic at times, and this SO question does have the word...
ruby system command check exit code
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From the documentation:
system returns true if the command gives zero exit status, false for
non zero exit status. Returns nil if command execution fails.
system("unknown command") #=> nil
system("echo foo") ...