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Difference between CPPFLAGS and CXXFLAGS in GNU Make
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How to Turn Off Showing Whitespace Characters in Visual Studio IDE
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CTRL+R, CTRL+W : Toggle showing whitespace
or under the Edit Menu:
Edit -> Advanced -> ...
Run a callback only if an attribute has changed in Rails
...:Dirty is here: https://github.com/rails/rails/commit/16ae3db5a5c6a08383b974ae6c96faac5b4a3c81
Here is a blog post on these changes: https://www.ombulabs.com/blog/rails/upgrades/active-record-5-1-api-changes.html
Here is the summary I made for myself on the changes to ActiveRecord::Dirty in Rails ...
Join a list of strings in python and wrap each string in quotation marks
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answered Aug 17 '12 at 14:28
jamylakjamylak
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Maintaining the final state at end of a CSS3 animation
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What is the default value for enum variable?
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It is whatever member of the enumeration represents the value 0. Specifically, from the document...
jquery $(window).height() is returning the document height
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With no doctype tag, Chrome reports the same value for both calls.
Adding a strict doctype lik...
How does “304 Not Modified” work exactly?
... If-Modified-Since or If-None-Match header, telling the server to send a 304 if the content still has that date or ETag.
The server needs some way of calculating a date-modified or ETag for each version of each resource; this typically comes from the filesystem or a separate database column.
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MySQL foreign key constraints, cascade delete
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answered May 26 '10 at 22:45
Marc BMarc B
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