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How to implement Enums in Ruby?
...
I'm surprised that no one has offered something like the following (harvested from the RAPI gem):
class Enum
private
def self.enum_attr(name, num)
name = name.to_s
define_method(name + '?') do
@attrs & num != 0
end
...
C# - Multiple generic types in one list
...nor does it prevent a developer from shooting themselves in the foot by erroneously adding some non-MetaData object to the list. By using a List<MetaData> it is understood what the list should contain. Most likely MetaData will have some public properties/methods that haven't been shown in th...
Is there a typical state machine implementation pattern?
... Very nice way to get started, at least beginning point for me. One remark, the first line of run_state() has a naughty "." that shouldn't be there.
– Atilla Filiz
Jun 22 '10 at 14:29
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Adding options to select with javascript
...d in response to comment from OP:
[How] do [I] apply this to more than one element?
function populateSelect(target, min, max){
if (!target){
return false;
}
else {
var min = min || 0,
max = max || min + 100;
select = document.getElementById(targ...
What is stability in sorting algorithms and why is it important?
...stable sort algorithm, straw or spork may be interchanged, but in a stable one, they stay in the same relative positions (that is, since straw appears before spork in the input, it also appears before spork in the output).
We could sort the list of words using this algorithm: stable sorting by colu...
Difference between jQuery `click`, `bind`, `live`, `delegate`, `trigger` and `on` functions (with an
...is irrelevant...the event is bound and it's staying until that element is gone, or the handler is removed via .unbind().
Yet another common use for .live() and .delegate() is performance. If you're dealing with lots of elements, attaching a click handler directly to each element is expensive and t...
Is it possible to have multiple styles inside a TextView?
...
In case, anyone is wondering how to do this, here's one way: (Thanks to Mark again!)
mBox = new TextView(context);
mBox.setText(Html.fromHtml("<b>" + title + "</b>" + "<br />" +
"<small>" + descript...
Click event doesn't work on dynamically generated elements [duplicate]
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This worked for me. Funny none of the answers above point out the fact that a non-dynamic parent selector has to be used. No wonder '.on' was not working for me earlier.
– aces.
Feb 20 '13 at 17:33
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What is a bus error?
...ust at Exercise 9 from How to Learn C the Hard Way and already encountered one...
– 11684
Mar 26 '13 at 20:12
25
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How to use localization in C#
...add a new resource file, named "strings.fr.resx" (note the "fr" part; this one will contain resources in French). Add a string resource with the same name as in strings.resx, but with the value in French (Name="Hello", Value="Salut"). Now, if you run the following code, it should print Salut:
Threa...