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Nested attributes unpermitted parameters
... Person . I want a form that can create the Bill and its children Dues all in one page. I am trying to create a form using nested attributes, similar to ones in this Railscast .
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Setting a system environment variable from a Windows batch file?
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The XP Support Tools (which can be installed from your XP CD) come with a program called setx.exe:
C:\Program Files\Support Tools>setx /?
SETX: This program is used to set values in the environment
of the machine or currently logged on user using one of three...
How can I specify working directory for popen
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log4net not working
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I confirm the solution above - I had to invoke log4net.Config.XmlConfigurator.Configure(); in my code (which uses app.config to have log4net effectively work. Lines which get effectively printed are those subsequent to the e...
lenses, fclabels, data-accessor - which library for structure access and mutation is better
...f these libraries also provide a bunch of extra combinators on top, and usually some form of template haskell machinery to automatically generate lenses for the fields of simple record types.
With that in mind, we can turn to the different implementations:
Implementations
fclabels
fclabels is pe...
Is it possible to figure out the parameter type and return type of a lambda?
...Andry that's a fundamental problem with function objects that have (potentially) multiple overloads of operator() not with this implementation. auto is not a type, so it can't ever be the answer to traits::template arg<0>::type
– Caleth
Jan 16 '18 at 12:1...
Git, rewrite previous commit usernames and emails
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fixed for "eval: [[: not found" on ubuntu and add a confirm change-commits = "!f() { VAR1=$1; VAR='$'$1; OLD=$2; NEW=$3; echo \"Are you sure for replace $VAR $OLD => $NEW ?(Y/N)\";read OK;if [ \"$OK\" = 'Y' ] ; then shift 3; git filter-branch --env-filter \"if [ \\\"${VAR...
Convert datetime to Unix timestamp and convert it back in python
...y be right. While I don't see strftime("%s") in documentation, I did just confirm this to work on Mac and Linux. Thanks.
– Darren Stone
Dec 11 '13 at 1:14
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Fully custom validation error message with Rails
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Related to the accepted answer and another answer down the list:
I'm confirming that nanamkim's fork of custom-err-msg works with Rails 5, and with the locale setup.
You just need to start the locale message with a caret and it shouldn't display the attribute name in the message.
A model def...
Difference between addSubview and insertSubview in UIView class
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