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Rails hidden field undefined method 'merge' error
...an do
<%= form_for @order, 'data-service' => 'test' do |f| %>
And then get attribute value with jquery
$('form').data('service')
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how to set a value for a span using JQuery
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what is the difference between .text and .html ?
– ZaidRehman
Jan 11 '18 at 11:56
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What does the arrow operator, '->', do in Java?
...ssions is
(Parameters) -> { Body } where the -> separates parameters and lambda expression body.
The parameters are enclosed in parentheses which is the same way as for methods and the lambda expression body is a block of code enclosed in braces.
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Linq with group by having count
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For anyone looking to do this in vb (as I was and couldn't find anything)
From c In db.Company
Select c.Name Group By Name Into Group
Where Group.Count > 1
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What's the difference between URI.escape and CGI.escape?
What's the difference between URI.escape and CGI.escape and which one should I use?
7 Answers
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When to use the different log levels
...he following convention:
Trace - Only when I would be "tracing" the code and trying to find one part of a function specifically.
Debug - Information that is diagnostically helpful to people more than just developers (IT, sysadmins, etc.).
Info - Generally useful information to log (service start/s...
if/else in a list comprehension
...x in row]
In general,
[f(x) if condition else g(x) for x in sequence]
And, for list comprehensions with if conditions only,
[f(x) for x in sequence if condition]
Note that this actually uses a different language construct, a conditional expression, which itself is not part of the comprehensi...
Convert String to Uri
How can I convert a String to a Uri in Java (Android)? i.e.:
6 Answers
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Is functional GUI programming possible? [closed]
I've recently caught the FP bug (trying to learn Haskell), and I've been really impressed with what I've seen so far (first-class functions, lazy evaluation, and all the other goodies). I'm no expert yet, but I've already begun to find it easier to reason "functionally" than imperatively for basic ...
how to use javascript Object.defineProperty
...ed to find EVERY occurence of the discount modification in the client code and add a line
if(obj.discount>80) obj.discount = 80;
Then the e-shop owner may further change his strategy, like "if the customer is reseller, the maximal discount can be 90%". And you need to do the change on multiple...
