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Rails 4 - Strong Parameters - Nested Objects
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As odd as it sound when you want to permit nested attributes you do specify the attributes of nested object within an array. In your case it would be
Update as suggested by @RafaelOliveira
params.require(:measurement)
.permit(:...
How do I create a file AND any folders, if the folders don't exist?
Imagine I wish to create (or overwrite) the following file :- C:\Temp\Bar\Foo\Test.txt
9 Answers
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How to stop an animation (cancel() does not work)
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But in fact I need a bit more complex thing: when animation stop, it must remain in current position, i.e. I have sliding image and on touch event it must freeze on this place. clearAnimation() is not a case, because it resets state to start/end ...
MIN/MAX vs ORDER BY and LIMIT
...the better one? What are your reasons (code efficiency, better maintainability, less WTFery)...
5 Answers
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Seeking useful Eclipse Java code templates [closed]
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edited Feb 23 '17 at 14:03
community wiki
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How to check whether a string is a valid HTTP URL?
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edited Nov 12 '15 at 21:58
Jon Schneider
19.9k1616 gold badges120120 silver badges149149 bronze badges
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What is the fastest substring search algorithm?
...sound like an idiot I'm going to state the problem/requirements more explicitly:
18 Answers
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How to comment a block in Eclipse?
...her tooling may have different shortcuts.
Ctrl-\ will remove a block of either comment, but won't add comments.
Note: As for Eclipse CDT 4.4.2, Ctrl-Shift-/ will not uncomment a "/* */" block comment. Use Ctrl-Shift-\ in that case.
EDIT: It's Ctrl on a PC, but on a Mac the shortcuts may all be C...
How to check if std::map contains a key without doing insert?
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Use my_map.count( key ); it can only return 0 or 1, which is essentially the Boolean result you want.
Alternately my_map.find( key ) != my_map.end() works too.
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jQuery/Javascript function to clear all the fields of a form [duplicate]
... jQuery function that will clear all the fields of a form after having submitted the form.
11 Answers
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