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What is scope/named_scope in rails?
I've recently started an internship. My employer uses ruby on rails, and I frequently encounter new syntax that I need to look up to understand. I've googled around for a good explanation of named_scope, but what I've found so far is mostly blog posts giving high praise for it, rather a straight def...
How to force a html5 form validation without submitting it via jQuery
I have this form in my app and I will submit it via AJAX, but I want to use HTML5 for client-side validation. So I want to be able to force the form validation, perhaps via jQuery.
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Spring Data JPA find by embedded object property
...f an embedded object in that entity. Does anyone know if this is possible, and if so how?
4 Answers
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C# - How to get Program Files (x86) on Windows 64 bit
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Yes. It will return c:\program files on x86 and c:\program files (x86) on 64-bit windows.
– Nathan
Mar 1 '11 at 20:33
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Postgis installation: type “geometry” does not exist
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I put a pg_dump back, and had the same problem. My postgis extension puts it's data into a custom SCHEME, called postgis. I needed to run the following command, and everything was well again: DO $$ BEGIN EXECUTE 'alter database '||current_d...
How can I create a Set of Sets in Python?
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Python's complaining because the inner set objects are mutable and thus not hashable. The solution is to use frozenset for the inner sets, to indicate that you have no intention of modifying them.
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How to check whether a Storage item is set?
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Note removed. Thanks @TimothyZorn and Alnitak
– Christian C. Salvadó
Mar 7 '17 at 22:30
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What is the maximum characters for the NVARCHAR(MAX)?
...tes per character, that's approx. 1 billion characters.
Leo Tolstoj's War and Peace is a 1'440 page book, containing about 600'000 words - so that might be 6 million characters - well rounded up. So you could stick about 166 copies of the entire War and Peace book into each NVARCHAR(MAX) column.
I...
string.IsNullOrEmpty(string) vs. string.IsNullOrWhiteSpace(string)
...bad practice when there is string.IsNullOrWhiteSpace(string) in .NET 4.0 and above?
9 Answers
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How to configure git bash command line completion?
E.g. on a fresh ubuntu machine, I've just run sudo apt-get git , and there's no completion when typing e.g. git check[tab] .
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