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Ruby on Rails form_for select field with class
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Try this way:
<%= f.select(:object_field, ['Item 1', ...], {}, { :class => 'my_style_class' }) %>
select helper takes two options hashes, one for select, and the second for html options. So all you need is to give default empty options as first param after list...
“Templates can be used only with field access, property access, single-dimension array index, or sin
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I had the same problem with something like
@foreach (var item in Model)
{
@Html.DisplayFor(m => !item.IsIdle, "BoolIcon")
}
I solved this just by doing
@foreach (var item in Model)
{
var active = !item.IsIdle;
@Html.DisplayFor(m => active , "BoolIcon")
}
When...
move_uploaded_file gives “failed to open stream: Permission denied” error
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This is the best answer.
– saviour123
Nov 8 '17 at 16:19
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Override and reset CSS style: auto or none don't work
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The best way that I've found to revert a min-width setting is:
min-width: 0;
min-width: unset;
unset is in the spec, but some browsers (IE 10) do not respect it, so 0 is a good fallback in most cases.
min-width: 0;
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How to check if a value exists in an array in Ruby
...for more information.
My inspiration came from "evaluate if array has any items in ruby"
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Append values to a set in Python
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.add adds a single item, .update adds several items. Is that correct?
– ThorSummoner
Apr 6 '16 at 22:33
18
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Remove an element from a Bash array
...ements, not necessarily whole elements.
Update
To really remove an exact item, you need to walk through the array, comparing the target to each element, and using unset to delete an exact match.
array=(pluto pippo bob)
delete=(pippo)
for target in "${delete[@]}"; do
for i in "${!array[@]}"; do
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How to list imported modules?
...) for modules:
import types
def imports():
for name, val in globals().items():
if isinstance(val, types.ModuleType):
yield val.__name__
This won't return local imports, or non-module imports like from x import y. Note that this returns val.__name__ so you get the original...
Wildcards in jQuery selectors
...havior that surprised me----if I use this with "class$=..." it searches an item's class list, not the individual class names. So it only hits if the class being searched for is the last class on that item. Haven't tested other than Chrome. And not sure if the flaw is in jQuery or in my expectations...
Canvas width and height in HTML5
...anvas.style.width = "500px";
canvas.style.height = "400px";
The arguably best way to make a canvas 1x1 pixels is to ALWAYS USE CSS to choose the size then write a tiny bit of JavaScript to make the number of pixels match that size.
function resizeCanvasToDisplaySize(canvas) {
// look up the si...