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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...
How do I capture the output of a script if it is being ran by the task scheduler?
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84
Try this as the command string in Task Scheduler:
cmd /c yourscript.cmd > logall.txt
...
Git Extensions: Win32 error 487: Couldn't reserve space for cygwin's heap, Win32 error 0
...
I don't have rebase.exe on my Win10 64 Bit Pro, but calling the following did the trick (VS2010): "C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\amd64\editbin.exe" /REBASE:BASE=0x50000000 msys-1.0.dll
– Paul Bußmann
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NSUserDefaults removeObjectForKey vs. setObject:nil
...
SeanSean
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How to convert latitude or longitude to meters?
...t your coordinates onto it. The model I typically see used for this is WGS 84. This is what GPS devices usually use to solve the exact same problem.
NOAA has some software you can download to help with this on their website.
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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...
How does Hadoop process records split across block boundaries?
...f each 100Mb in the same file, and to simplify let's say the split size is 64Mb. Then when the input splits are calculated, we will have the following scenario:
Split 1 containing the path and the hosts to this block. Initialized at start 200-200=0Mb, length 64Mb.
Split 2 initialized at start 200-...
How to get the last day of the month?
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84
EDIT: See @Blair Conrad's answer for a cleaner solution
>>> import datetime
>>...
How to grep Git commit diffs or contents for a certain word?
...20), the documentation is clarified around those regexes.
See commit 9299f84 (06 Feb 2020) by Martin Ågren (``).
(Merged by Junio C Hamano -- gitster -- in commit 0d11410, 12 Feb 2020)
diff-options.txt: avoid "regex" overload in example
Reported-by: Adam Dinwoodie
Signed-off-by: Marti...