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CSS Selector that applies to elements with two classes
...
Chain both class selectors (without a space in between):
.foo.bar {
/* Styles for element(s) with foo AND bar classes */
}
If you still have to deal with ancient browsers like IE6, be aware that it doesn't read chained class selectors correctly: it'll only read the last clas...
How to extract a git subdirectory and make a submodule out of it?
...roject
# Create a branch which only contains commits for the children of 'foo'
git subtree split --prefix=foo --branch=foo-only
# Remove 'foo' from the project
git rm -rf ./foo
# Create a git repo for 'foo' (assuming we already created it on github)
mkdir foo
pushd foo
git init
git remote add ori...
Apk location in New Android Studio
..., and the recommended one in general is Gradle.
For a new project called "Foo", the structure under the main folder will be
Foo/
settings.gradle
Foo/
build.gradle
build/
Where the internal "Foo" folder is the main module (this structure allows you to create more modules l...
Initializing C# auto-properties [duplicate]
...w was written before C# 6 came along. In C# 6 you can write:
public class Foo
{
public string Bar { get; set; } = "bar";
}
You can also write read-only automatically-implemented properties, which are only writable in the constructor (but can also be given a default initial value:
public clas...
Passing argument to alias in bash [duplicate]
...eding to be or able to be passed as explicit arguments (e.g. $1).
$ alias foo='/path/to/bar'
$ foo some args
will get expanded to
$ /path/to/bar some args
If you want to use explicit arguments, you'll need to use a function
$ foo () { /path/to/bar "$@" fixed args; }
$ foo abc 123
will be ex...
Using generic std::function objects with member functions in one class
...nd the only) argument.
std::function<void(void)> f = std::bind(&Foo::doSomething, this);
If you want to bind a function with parameters, you need to specify placeholders:
using namespace std::placeholders;
std::function<void(int,int)> f = std::bind(&Foo::doSomethingArgs, this...
Unable to import a module that is definitely installed
...eters: if there was an import of the form "from <package> import <foo>", and if the obstructing package had no "foo", then you'd get an import error for option 3.
– Dan H
Apr 26 '16 at 21:38
...
Get element inside element by class and ID - JavaScript
... a function like getElementById.
var targetDiv = document.getElementById("foo").getElementsByClassName("bar")[0];
getElementById only returns one node, but getElementsByClassName returns a node list. Since there is only one element with that class name (as far as I can tell), you can just get th...
Readonly Properties in Objective-C?
...
In the header .h file:
@property (strong, nonatomic, readonly) NSString* foo;
In the implementation .m file:
// inside one of my init methods
self->_foo = @"someString"; // Notice the underscore prefix of var name.
That’s it, that’s all you need. No muss, no fuss.
Details
As of Xcode ...
What is the 'new' keyword in JavaScript?
...
Suppose you have this function:
var Foo = function(){
this.A = 1;
this.B = 2;
};
If you call this as a standalone function like so:
Foo();
Executing this function will add two properties to the window object (A and B). It adds it to the window because ...