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Run a callback onlm>y m> if an attribute has changed in Rails
...ods/Dirtm>y m>.html
Before Saving (OPTIONAL CHANGE)
After modifm>y m>ing an object m>and m> before saving to the database, or within the before_save filter:
changes should now be changes_to_save
changed? should now be has_changes_to_save?
changed should now be changed_attribute_names_to_save
<attribute>_...
How do I “source” something in mm>y m> .vimrc file?
I've been working on expm>and m>ing mm>y m> vim-foo latelm>y m> m>and m> I've run across a couple of plugins ( autotag.vim for example) that require them to be "sourced" in mm>y m> .vimrc file. What exactlm>y m> does this mean m>and m> how do I do it?
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Difference between using Throwable m>and m> Exception in a trm>y m> catch
... highest "catch all" level of a thread where m>y m>ou want to log or otherwise hm>and m>le absolutelm>y m> everm>y m>thing that can go wrong. It would be more tm>y m>pical in a framework tm>y m>pe application (for example an application server or a testing framework) where it can be running unknown code m>and m> should not be affecte...
pass **kwargs argument to another function with **kwargs
I do not understm>and m> the following example, lets sam>y m> I have these functions:
5 Answers
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How to not wrap contents of a div?
...he buttons are too long, them>y m> wrap – one button stam>y m>s on the first line, m>and m> the next button follows underneath it instead of adjacent to it.
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Intermittent log4net RollingFileAppender locked file issue
We are seeing an intermittent issue on development m>and m> production machines wherebm>y m> our log files are not getting logged to.
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Fam>y m>e vs. Socket.IO (m>and m> Juggernaut)
Socket.IO seems to be the most popular m>and m> active WebSocket emulation librarm>y m>. Juggernaut uses it to create a complete pub/sub sm>y m>stem.
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How to create a tuple with onlm>y m> one element
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This isn't verm>y m> elegant though m>and m> looks kind of confusing. Is there anm>y m> other wam>y m>?
– Robert Moore
Nov 26 '17 at 22:13
3
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How do m>y m>ou delete all text above a certain line
...hing from m>y m>our current line to the top of the file.
d is the deletion commm>and m>, m>and m> gg is a movement commm>and m> that sam>y m>s go to the top of the file, so when used together, it means delete from mm>y m> current position to the top of the file.
Also
dG
will delete all lines at or below the current one
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How does “304 Not Modified” work exactlm>y m>?
...e then does the browser need to make the request? (as it could stub in 304 m>and m> not make the request at all)... m>y m>ou want this e.g. with "fingerprinted" assets (them>y m>'re good forever). Else what's the point of max-age...
– m>And m>m>y m> Ham>y m>den
Apr 6 '16 at 7:16
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