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Is JavaScript's “new” keyword considered harmful?
...ily mitigated - simply add a bit of code to the function itself:
function foo()
{
// if user accidentally omits the new keyword, this will
// silently correct the problem...
if ( !(this instanceof foo) )
return new foo();
// constructor logic follows...
}
Now you can have the ...
How do I override __getattr__ in Python without breaking the default behavior?
...ttributes in the instance that match the name. For instance, if you access foo.bar, then __getattr__ will only be called if foo has no attribute called bar. If the attribute is one you don't want to handle, raise AttributeError:
class Foo(object):
def __getattr__(self, name):
if some_pr...
Cannot refer to a non-final variable inside an inner class defined in a different method
...s case you should look at encapsulating them within a class.
public class Foo {
private PriceObject priceObject;
private double lastPrice;
private double price;
public Foo(PriceObject priceObject) {
this.priceObject = priceObject;
}
public void tick() {
pri...
Python loop that also accesses previous and next values
...
This should do the trick.
foo = somevalue
previous = next_ = None
l = len(objects)
for index, obj in enumerate(objects):
if obj == foo:
if index > 0:
previous = objects[index - 1]
if index < (l - 1):
n...
shortcut for creating a Map from a List in groovy?
... then the method collectEntries should suffice. For example
def names = ['Foo', 'Bar']
def firstAlphabetVsName = names.collectEntries {[it.charAt(0), it]} // [F:Foo, B:Bar]
But if you want a structure similar to a Multimap, in which there are multiple values per key, then you'd want to use the gr...
How to set up tmux so that it starts up with specified windows opened?
... you require:
#session1
new -s SessionName -n WindowName Command
neww -n foo/bar foo
splitw -v -p 50 -t 0 bar
selectw -t 1
selectp -t 0
This would open 2 windows, the second of which would be named foo/bar and would be split vertically in half (50%) with foo running above bar. Focus would be in...
How to call a method defined in an AngularJS directive?
...ve(name);
});
}
})
template code
<div my-directive name="foo"></div>
Access the controller instance using the factory & run the publicly exposed methods
angular.module('myModule').controller('MyController', function(MyDirectiveHandler, $scope) {
$scope.someFn = ...
How to configure git push to automatically set upstream without -u?
...when necessary,
but just don't want to type the whole:
git push -u origin foo
Then you can use the following alias:
[alias]
push-u = !git push -u origin $(git symbolic-ref --short HEAD)
And simply type:
git push-u
Long answer
Typically, the need for -u (shorthand for --set-upstream) ...
SetUnhandledExceptionFilter and the C/C++ Runtime Library - C/C++ - 清泛网 - 专注IT技能提升
...ash!" << std::endl;
Bar();
}
virtual void Foo() = 0;
void Bar()
{
Foo();
}
};
struct D: public B
{
void Foo()
{
}
};
B* b = new D;
// Just to silence the warning C4...
SetUnhandledExceptionFilter and the C/C++ Runtime Library - C/C++ - 清泛网 - 专注IT技能提升
...ash!" << std::endl;
Bar();
}
virtual void Foo() = 0;
void Bar()
{
Foo();
}
};
struct D: public B
{
void Foo()
{
}
};
B* b = new D;
// Just to silence the warning C4...