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Determine what attributes were changed in Rails after_save callback?
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Aaron Brager
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answered Oct 5 '10 at 8:09
Radek PavienskyRadek Paviensky
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How to write LaTeX in IPython Notebook?
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edited Jun 18 '14 at 12:36
katahdin
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answered May 21 '13 ...
Renaming xcode 4 project and the actual folder
I know how to rename the project in Xcode 4, but how do you rename the source folder? The thing is that renaming the project in Xcode, does only rename within Xcode (Though it is progress compared to previous) - but why Xcode is not renaming the folder in the filesystem I don't know.
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How to find out the number of CPUs using python
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Nadia AlramliNadia Alramli
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What is the best way to add options to a select from a JavaScript object with jQuery?
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edited Jun 1 at 14:55
Peter Mortensen
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Gradle: Execution failed for task ':processDebugManifest'
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134
Found the solution to this problem:
gradle assemble -info gave me the hint that the Manifests h...
Best way to create unique token in Rails?
...lemented in Rails 5 ActiveRecord's secure token implementation.
-- Rails 4 & 3 --
Just for future reference, creating safe random token and ensuring it's uniqueness for the model (when using Ruby 1.9 and ActiveRecord):
class ModelName < ActiveRecord::Base
before_create :generate_token
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Get visible items in RecyclerView
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Vasily Kabunov
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answered Jul 31 '14 at 7:50
yigityigit
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PHP: How to send HTTP response code?
...sponses with HTTP response codes (status-codes), like HTTP 200 OK, or some 4XX or 5XX code.
9 Answers
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Async/await vs BackgroundWorker
In the past few days I have tested the new features of .net 4.5 and c# 5.
4 Answers
4
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