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Paperclip::Errors::MissingRequiredValidatorError with Rails 4
I'm getting this error when I try to upload using paperclip with my rails blogging app.
Not sure what it is referring to when it says "MissingRequiredValidatorError"
I thought that by updating post_params and giving it :image it would be fine, as both create and update use post_params
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setMaxResults for Spring-Data-JPA annotation?
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– Oliver Drotbohm
Sep 16 '14 at 15:05
3
I think, Top and First keywords are not applicable to me...
What is NODE_ENV and how to use it in Express?
...ly run in a production environment - it's much safer if your app throws an error if this important value is not set (or if preferred, defaults to production logic as above).
Be aware that if you haven't explicitly set NODE_ENV for your environment, it will be undefined if you access it from process....
“The underlying connection was closed: An unexpected error occurred on a send.” With SSL Certificate
... I get this exception "THE UNDERLYING CONNECTION WAS CLOSED: AN UNEXPECTED ERROR OCCURRED ON A SEND" in my logs and it is breaking our OEM integration with our email marketing system at random times varying from [1hour - 4 hours]
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How do I check if a string is valid JSON in Python?
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You can try to do json.loads(), which will throw a ValueError if the string you pass can't be decoded as JSON.
In general, the "Pythonic" philosophy for this kind of situation is called EAFP, for Easier to Ask for Forgiveness than Permission.
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How can I inject a property value into a Spring Bean which was configured using annotations?
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edited Jul 31 '18 at 17:05
Goodbye StackExchange
21.1k77 gold badges4343 silver badges8181 bronze badges
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Swift to Objective-C header not created in Xcode 6
... it had been deleted (e.g. by cleaning the build folder) then you will see error messages everywhere that the file is imported, even for .m files, adding to the confusion.
– rene
Dec 29 '15 at 20:29
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Calculating text width
...ents.
– brianreavis
Feb 3 '12 at 21:05
I have tried to use this function in a number of ways, but it keeps returning n...
What's the correct way to convert bytes to a hex string in Python 3?
...format and output a hex value. For example:
>>> foo = b"tC\xfc}\x05i\x8d\x86\x05\xa5\xb4\xd3]Vd\x9cZ\x92~'6"
>>> res = ""
>>> for b in foo:
... res += "%02x" % b
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>>> print(res)
7443fc7d05698d8605a5b4d35d56649c5a927e2736
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Macro vs Function in C
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Macros are error-prone because they rely on textual substitution and do not perform type-checking. For example, this macro:
#define square(a) a * a
works fine when used with an integer:
square(5) --> 5 * 5 --> 25
but does ve...