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Nested attributes unpermitted parameters
...4, I was able to get it working by structuring my fields_for as:
<%= f.select :tag_ids, Tag.all.collect {|t| [t.name, t.id]}, {}, :multiple => true %>
Then in my controller I have my strong params as:
private
def post_params
params.require(:post).permit(:id, :title, :content, :publi...
How do I use CSS in Django?
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Just a quick note on those Django docs - make sure you select the documents for the version of Django you're using. Things appear to have changed a lot between versions with regard to static files.
– Sam Starling
Nov 3 '10 at 11:09
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Can PHP cURL retrieve response headers AND body in a single request?
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Take a look to the selected answer of stackoverflow.com/questions/14459704/… before implementing something like this. w3.org/Protocols/rfc2616/rfc2616-sec14.html (14.20) A server that does not understand or is unable to comply with any of t...
Can I recover a branch after its deletion in Git?
...leted. Now simply right click on the most recent commit to the branch and select the menu option Create new branch.
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Command line: piping find results to rm
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find /usr/www/bar/htdocs -mtime +15 -exec rm {} \;
Will select files in /usr/www/bar/htdocs older than 15 days and remove them.
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Is there a “goto” statement in bash?
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goto is more than selecting. goto feature means to be able to jump to places acording to some conditions, creating even a loop like flow...
– Sergio Abreu
Jan 2 '17 at 22:29
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How to rotate the background image in the container?
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fyi, it doesn't work for all elements; for example, a select can't have a :before.
– Yann Dìnendal
Apr 10 '15 at 14:41
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src/lxml/etree_defs.h:9:31: fatal error: libxml/xmlversion.h: No such file or directory
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The selected answer is right but I just wanted to add for those who use Fedora: libxslt1 is called libxslt when using dnf. So the command is:
sudo dnf install libxml2-devel libxslt-devel
devel for dnf is the same as dev for ap...
Eclipse - no Java (JRE) / (JDK) … no virtual machine
...e button Environment Variables, in the System Variables list at the bottom select Path (no, not Classpath), click Edit and add ;c:\path\to\jdk\bin to the end of the value.
Alternatively and if not present, you can also add JAVA_HOME environment variable and make use of it in the PATH. In the same d...
How to detect if app is being built for device or simulator in Swift
...n -D IOS_SIMULATOR in Swift Compiler - Custom Flags > Other Swift Flags
Select Any iOS Simulator SDK in this drop down
Now you could use this statement to detect simulator:
#if IOS_SIMULATOR
print("It's an iOS Simulator")
#else
print("It's a device")
#endif
Also you could extend UID...