大约有 45,400 项符合查询结果(耗时:0.0606秒) [XML]
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 to .gitignore files recursively
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As of git 1.8.2, this:
MyPrject/WebApp/Scripts/special/**/*.js
Should work according to this answer. It also works for me in Windows 7 using Sourcetree 1.6.12.0 and the version of git that it installs (1.8.4-preview20130916).
To gitign...
Days between two dates? [duplicate]
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241
Assuming you’ve literally got two date objects, you can subtract one from the other and quer...
Why doesn't Internet Explorer 11 honour conditional comments even when emulating Internet Explorer 8
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29
According to Jacob Rossi [MSFT]
This should be fixed in Update 1 for IE11, released last w...
Android: allow portrait and landscape for tablets, but force portrait on phone?
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12 Answers
12
Active
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Mismatch Detected for 'RuntimeLibrary'
...loaded and extracted Crypto++ in C:\cryptopp. I used Visual Studio Express 2012 to build all the projects inside (as instructed in readme), and everything was built successfully. Then I made a test project in some other folder and added cryptolib as a dependency. After that, I added the include path...
How can I get selector from jQuery object
...s on the item clicked.
See it working on jsFiddle: http://jsfiddle.net/Jkj2n/209/
<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<script>
$(function() {
$("*").on("click", funct...
How to cast/convert pointer to reference in C++
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2 Answers
2
Active
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How to declare strings in C [duplicate]
... (forgetting your third example which is bad), the different between 1 and 2 is that 1 allocates space for a pointer to the array.
But in the code, you can manipulate them as pointers all the same -- only thing, you cannot reallocate the second.
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