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How do I create delegates in Objective-C?
I know how delegates work, and I know how I can use them.
19 Answers
19
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Install go with brew, and running the gotour
...ird step about that tells you that you can install the gotour on your system.
After that I've installed the go language with brew by:
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Understanding NSRunLoop
...an anyone explain for what is NSRunLoop ? so as I know NSRunLoop is a something connected with NSThread right? So assume I create a Thread like
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C++ Singleton design pattern
Recently I've bumped into a realization/implementation of the Singleton design pattern for C++. It has looked like this (I have adopted it from the real life example):
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gitignore all files of extension in directory
...a .gitignore with *.js in /public/static, it will do what you want.
Note: make sure to also check out Joeys' answer below: if you want to ignore files in a specific subdirectory, then a local .gitignore is the right solution (locality is good). However if you need the same pattern to apply to your ...
Why is it wrong to use std::auto_ptr with standard containers?
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The C++ Standard says that an STL element must be "copy-constructible" and "assignable." In other words, an element must be able to be assigned or copied and the two elements are logically independent. std::auto_ptr does not fulfill this requirement.
Take for ...
public friend swap member function
In the beautiful answer to the copy-and-swap-idiom there is a piece of code I need a bit of help:
2 Answers
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What do
...I docs for Predef that they're subclasses of a generic function type (From) => To, but that's all it says. Um, what? Maybe there's documentation somewhere, but search engines don't handle "names" like "
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List of Delphi language features and version in which they were introduced/deprecated
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Note that this answer only lists new language features
not new VCL/FMX features.
Here are the links to the RAD Studio docwiki:
What's new in Rad Studio 10.3 Rio
What's new in Delphi and C++Builder 10.2 Tokyo
What's new in Delphi and C++Builder 10.1 Berlin
What's new in Delphi and C++Bui...
How does the extend() function work in jQuery?
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Multiple Parameters
The documentation isn't precise in explaining how extend works, so I ran a little test:
var a = {foo: 1, bar: 1};
var b = {foo: 2, baz: 2};
var c = {foo: 3};
var r = jQuery.extend(a,b,c);
console.log("A:...