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Rails - How to use a Helper Inside a Controller
...iew_context.<helper> (Rails 4 & 3) (WARNING: this instantiates a new view instance per call)
@template.<helper> (Rails 2)
include helper in a singleton class and then singleton.helper
include the helper in the controller (WARNING: will make all helper methods into controller actions...
nosetests is capturing the output of my print statements. How to circumvent this?
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...
Canary release strategy vs. Blue/Green
... simpler and faster.
You can do a blue-green release if you've tested the new version in a testing environment and are very certain that the new version will function correctly in production. Always using feature toggles is a good way to increase your confidence in a new version, since the new vers...
What's the best way to set a single pixel in an HTML5 canvas?
...custom image using a data url and using drawImage() to show it:
var img = new Image;
img.src = "data:image/png;base64," + myPNGEncoder(r,g,b,a);
// Writing the PNGEncoder is left as an exercise for the reader
creating another img or canvas filled with all the pixels you want and use drawImage() to...
create multiple tag docker image
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...
change type of input field with jQuery
...tween quickly changing the type of a field and replacing it with a totally new one. Very strange ... anyway, worked for me. Thanks!
– user673046
Aug 18 '11 at 12:17
2
...
How to automatically generate N “distinct” colors?
...(); }
}
private static readonly List<Color> _kellysMaxContrastSet = new List<Color>
{
UIntToColor(0xFFFFB300), //Vivid Yellow
UIntToColor(0xFF803E75), //Strong Purple
UIntToColor(0xFFFF6800), //Vivid Orange
UIntToColor(0xFFA6BDD7), //Very Light Blue
UIntToColor(0xFFC...
Is there any connection string parser in C#?
...ta Source" from a SQL-server connection string, you can do:
var builder = new SqlConnectionStringBuilder(connectionString);
var dataSource = builder.DataSource;
share
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improve this answer
...
JavaScript data formatting/pretty printer
...sue.
Here is the "simple" version:
function DumpObject(obj)
{
var od = new Object;
var result = "";
var len = 0;
for (var property in obj)
{
var value = obj[property];
if (typeof value == 'string')
value = "'" + value + "'";
else if (typeof value == 'object')
{
...
How to find the size of an array in postgresql
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...