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Run a callback only if an attribute has changed in Rails
...y 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 5.1+:...
How does Google's Page Speed lossless image compression work?
...ames like:
nice_picture.jpg
into
nice_picture_fff5e6456e6338ee09457ead96ccb696.jpg
I discovered that this seems to be a common complaint. Since I didn't want to rename all my pictures by hand, I used Adobe Bridge's Rename tool along with a Regular Expression. You could use other rename comm...
NSUserDefaults removeObjectForKey vs. setObject:nil
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SeanSean
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Why is the use of alloca() not considered good practice?
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96
Interesting. But wouldn't that qualify as a compiler bug? After all, the inlining changed the behaviour of the code (it delayed the freeing...
Loadbalancing web sockets
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96
Put a L3 load-balancer that distributes IP packets based on source-IP-port hash to your WebSock...
Developing for Android in Eclipse: R.java not regenerating
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96
R.java doens't regenerate if you have some errors in the res directory. Removed errors -> solved problem in my case :)
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How can I make a time delay in Python? [duplicate]
... Evan FosmarkEvan Fosmark
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How to add a ScrollBar to a Stackpanel
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96
Stackpanel doesn't have built in scrolling mechanism but you can always wrap the StackPanel in ...
In C++, if throw is an expression, what is its type?
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96
According to the standard, 5.16 paragraph 2 first point, "The second or the third operand (but ...
moving committed (but not pushed) changes to a new branch after pull
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96
I stuck with the same issue. I have found easiest solution which I like to share.
1) Create ne...