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Validate uniqueness of multiple columns
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321
You can scope a validates_uniqueness_of call as follows.
validates_uniqueness_of :user_id, :sc...
Changing the case of a string in Eclipse
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edited Oct 15 '15 at 11:54
Community♦
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answered Jul 22 '11 at 17:14
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How to add reference to a method parameter in javadoc?
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edited May 25 '16 at 7:10
Jacek Laskowski
61.1k2020 gold badges187187 silver badges343343 bronze badges
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How does cookie “Secure” flag work?
...a secure channel (typically HTTP over Transport Layer Security (TLS) [RFC2818]).
Although seemingly useful for protecting cookies from active network attackers, the Secure attribute protects only the cookie's confidentiality. An active network attacker can overwrite Secure cookies from an insec...
How do I choose between Semaphore and SemaphoreSlim?
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edited Aug 26 '13 at 17:00
culix
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answ...
How to get jQuery dropdown value onchange event
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answered Nov 12 '13 at 7:00
power_scriptorpower_scriptor
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PEP 8, why no spaces around '=' in keyword argument or a default parameter value?
...n a variable assignment.
For example, there is plenty of code like this:
kw1 = some_value
kw2 = some_value
kw3 = some_value
some_func(
1,
2,
kw1=kw1,
kw2=kw2,
kw3=kw3)
As you see, it makes complete sense to assign a variable to a keyword argument named exactly the same, so it im...
Fastest hash for non-cryptographic uses?
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13 Answers
13
Active
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iTextSharp - Sending in-memory pdf in an email attachment
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81
Have you tried:
PdfWriter writer = PdfWriter.GetInstance(doc, memoryStream);
// Build pdf code...
How can I override inline styles with external CSS?
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177
To only way to override inline style is by using !important keyword beside the CSS rule. Follo...