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How to use regex with find command?
...atches the whole path.
Example:
susam@nifty:~/so$ find . -name "*.jpg"
./foo-111.jpg
./test/81397018-b84a-11e0-9d2a-001b77dc0bed.jpg
./81397018-b84a-11e0-9d2a-001b77dc0bed.jpg
susam@nifty:~/so$
susam@nifty:~/so$ find . -regextype sed -regex ".*/[a-f0-9\-]\{36\}\.jpg"
./test/81397018-b84a-11e0-9d2...
Must Dependency Injection come at the expense of Encapsulation?
...er of the dependency must know both that the object in question requires a Foo, and the provider has to have a way of providing the Foo to the object.
Classically this latter case is handled as you say, through constructor arguments or setter methods. However, this is not necessarily true - I know...
Should I use alias or alias_method?
...dict: Use alias_method - it gives you a ton more flexibility.
Usage:
def foo
"foo"
end
alias_method :baz, :foo
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jQuery event to trigger action when a div is made visible
...he clearInterval() upon successful call-out.
Here's an example:
function foo() {
$('.visibilityCheck').each(function() {
if ($(this).is(':visible')){
// do something
}
});
}
window.setInterval(foo, 100);
You can also perform some performance improvements on i...
Static member functions error; How to properly write the signature?
...
I'm guessing you've done something like:
class Foo
{
static void Bar();
};
...
static void Foo::Bar()
{
...
}
The "static void Foo::Bar" is incorrect. You don't need the second "static".
...
Is there a ceiling equivalent of // operator in Python?
...
so foobar = math.ceil(foo / bar)? Hmm, I can live with that, don't know of anywhere I wanted to use that, was just curious, thanks
– Cradam
Feb 11 '13 at 22:51
...
What is choice_set in this Django app tutorial?
...rom Question too, automatically generating a field on each instance called foo_set where Foo is the model with a ForeignKey field to that model.
choice_set is a RelatedManager which can create querysets of Choice objects which relate to the Question instance, e.g. q.choice_set.all()
If you don't l...
Elegant ways to support equivalence (“equality”) in Python classes
...
You need to be careful with inheritance:
>>> class Foo:
def __eq__(self, other):
if isinstance(other, self.__class__):
return self.__dict__ == other.__dict__
else:
return False
>>> class Bar(Foo):pass
>>> b = Bar...
Callback after all asynchronous forEach callbacks are completed
... with this when i need to execute forEach with asynchronous tasks inside.
foo = [a,b,c,d];
waiting = foo.length;
foo.forEach(function(entry){
doAsynchronousFunction(entry,finish) //call finish after each entry
}
function finish(){
waiting--;
if (waiting==0) {
//do your J...
Why is “import *” bad?
...hat.
Also, it has a concrete possibility of hiding bugs.
import os, sys, foo, sqlalchemy, mystuff
from bar import *
Now, if the bar module has any of the "os", "mystuff", etc... attributes, they will override the explicitly imported ones, and possibly point to very different things. Defining __a...