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What is the best way to create constants in Objective-C
...ic to a single class, or does it make sense to have them all over the application?
If they are class-specific, are they for use by clients of the class, or only within the class?
If they are specific and internal to a single class, declare them as static const at the top of the .m file, like so:
...
Is there a benefit to defining a class inside another class in Python?
... ...
class cls2(object):
...
Then from another module, you can import Group and refer to these as Group.cls1, Group.cls2 etc. However one might argue that you can accomplish exactly the same (perhaps in a less confusing way) by using a module.
...
Can jQuery get all CSS styles associated with an element?
...eclaration) {
for (var i in css) {
if ((css[i]).toLowerCase) {
s[(css[i]).toLowerCase()] = (css[css[i]]);
}
}
} else if (typeof css == "string") {
css = css.split("; ");
for (var i in css) {
var l = css[i].split(...
In Markdown, what is the best way to link to a fragment of a page, i.e. #some_id?
...ing to figure out how to reference another area of a page with Markdown. I can get it working if I add a
5 Answers
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Replace selector images programmatically
... that has a drawable image resource set to a selector. How do I programmatically access the selector and change the images of the highlighted and non-highlighted state?
...
What does “mro()” do?
...t'>)
...you also get the assurance that, in __mro__, no class is duplicated, and no class comes after its ancestors, save that classes that first enter at the same level of multiple inheritance (like B and C in this example) are in the __mro__ left to right.
Every attribute you get on a class'...
How to run a background task in a servlet based web application?
...'m using Java and I want to keep a servlet continuously running in my application, but I'm not getting how to do it. My servlet has a method which gives counts of the user from a database on a daily basis as well as the total count of the users from the whole database. So I want to keep the servlet ...
C++ equivalent of Java's toString?
...
In C++ you can overload operator<< for ostream and your custom class:
class A {
public:
int i;
};
std::ostream& operator<<(std::ostream &strm, const A &a) {
return strm << "A(" << a.i << "...
Read a text file using Node.js?
...to pass in a text file in the terminal and then read the data from it, how can I do this?
5 Answers
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How do you work with an array of jQuery Deferreds?
I have an application that requires data be loaded in a certain order: the root URL, then the schemas, then finally initialize the application with the schemas and urls for the various data objects. As the user navigates the application, data objects are loaded, validated against the schema, and di...