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Add querystring parameters to link_to
...e an Index view, for example, that has UI elements for sorting, filtering, and pagination (via will_paginate). The will_paginate plugin manages the intra-page persistence of querystring parameters correctly.
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How to change color of SVG image using CSS (jQuery SVG image replacement)?
This is a self Q&A of a handy piece of code I came up with.
17 Answers
17
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Is it possible to use global variables in Rust?
...t spawn. The upside is that unlike truly global state, it is entirely safe and is not a pain to use - true global state is a massive pain in any language. Here's an example:
extern mod sqlite;
use std::cell::RefCell;
thread_local!(static ODB: RefCell<sqlite::database::Database> = RefCell::n...
Rails 3 migrations: Adding reference column?
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EDIT: This is an outdated answer and should not be applied for Rails 4.x+
You don't need to add references when you can use an integer id to your referenced class.
I'd say the advantage of using references instead of a plain integer is that the model will ...
Is there a printf converter to print in binary format?
...a function as the argument to BYTE_TO_BINARY) but avoids the memory issues and multiple invocations of strcat in some of the other proposals here.
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Change default global installation directory for node.js modules in Windows?
...he location> --global if you run into problems while installing modules and cache is in a shared drive. I got this error, ENOENT: no such file or directory when the cache was in a shared drive
– redDevil
Nov 5 '15 at 5:33
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How can I check for NaN values?
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math.isnan(x)
Return True if x is a NaN (not a number), and False otherwise.
>>> import math
>>> x = float('nan')
>>> math.isnan(x)
True
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How to detect orientation change?
I am using Swift and I want to be able to load a UIViewController when I rotate to landscape, can anyone point me in the right direction?
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How do I verify a method was called exactly once with Moq?
...m.
Between - Specifies that a mocked method should be invoked between from and to times.
Exactly - Specifies that a mocked method should be invoked exactly times times.
Never - Specifies that a mocked method should not be invoked.
Once - Specifies that a mocked method should be invoked exactly one t...
CS0120: An object reference is required for the nonstatic field, method, or property 'foo'
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For this case, where you want to get a Control of a Form and are receiving this error, then I have a little bypass for you.
Go to your Program.cs and change
Application.Run(new Form1());
to
public static Form1 form1 = new Form1(); // Place this var out of the constructor
Appli...