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Rails find_or_create_by more than one attribute?
...er.where(:member_id => 4, :group_id => 7).first_or_initialize
Edit 2: Not all of these were factored out of rails just the attribute specific ones.
https://github.com/rails/rails/blob/4-2-stable/guides/source/active_record_querying.md
Example
GroupMember.find_or_create_by_member_id_and_...
Xcode 6 / Beta 4: using bridging headers with framework targets is unsupported
... Xcode 6 Beta 4 and have a framework that I created for Live Views in Beta 2. Due to another swift bug , I needed to use some Obj-C code. When upgrading though, I get the following error:
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How do I dynamically assign properties to an object in TypeScript?
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23 Answers
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How to stop tracking and ignore changes to a file in Git?
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20 Answers
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How to define @Value as optional
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Andy BrownAndy Brown
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Does const mean thread-safe in C++11?
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132
I hear that const means thread-safe in C++11. Is that true?
It is somewhat true...
This is wha...
Mercurial .hgignore for Visual Studio 2010 projects
Not to be confused with Mercurial .hgignore for Visual Studio 2008 projects
2 Answers
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Remove a file from a Git repository without deleting it from the local filesystem
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bdonlanbdonlan
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Finding the Eclipse Version Number
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(Update September 2012):
MRT points out in the comments that "Eclipse Version" question references a .eclipseproduct in the main folder, and it contains:
name=Eclipse Platform
id=org.eclipse.platform
version=3.x.0
So that seems more straig...
how perform grep operation on all files in a directory
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grep $PATTERN * would be sufficient. By default, grep would skip all subdirectories. However, ...