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What's the correct way to communicate between controllers in AngularJS?
... in this answer have been resolved in angular.js version 1.2.7. $broadcast now avoids bubbling over unregistered scopes and runs just as fast as $emit.
So, now you can:
use $broadcast from the $rootScope
listen using $on from the local $scope that needs to know about the event
Original Answe...
How can I recover a removed file in Mercurial (if at all)?
...<revision number> <path to deleted file>
The deleted file will now be in your working copy, ready to be committed back into head.
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Pass a parameter to a fixture function
...nly way to do this in older versions of pytest as others have noted pytest now supports indirect parametrization of fixtures. For example you can do something like this (via @imiric):
# test_parameterized_fixture.py
import pytest
class MyTester:
def __init__(self, x):
self.x = x
...
explicit casting from super class to subclass
... you're essentially telling the compiler "trust me. I'm a professional, I know what I'm doing and I know that although you can't guarantee it, I'm telling you that this animal variable is definitely going to be a dog."
Since the animal isn't actually a dog (it's an animal, you could do Animal anima...
How to profile a bash shell script slow startup?
...2 2> >(tee /tmp/sample-time.$$.log |
sed -u 's/^.*$/now/' |
date -f - +%s.%N >/tmp/sample-time.$$.tim)
set -x
Doing this will run date only once. There is a quick demo/test to show how it work:
for i in {1..4};do echo now;sleep .05;done| date -f - +%N
...
How do Python functions handle the types of the parameters that you pass in?
...
Python is strongly typed because every object has a type, every object knows its type, it's impossible to accidentally or deliberately use an object of a type "as if" it was an object of a different type, and all elementary operations on the object are delegated to its type.
This has nothing to ...
How to implement onBackPressed() in Fragments?
...pBackStack(null, FragmentManager.POP_BACK_STACK_INCLUSIVE);
}
}
Since now, we will work on our code BaseActivity and its fragments
Create private listener on top of your class BaseActivity
protected OnBackPressedListener onBackPressedListener;
create method to set listener in BaseActivity
pu...
SSH Private Key Permissions using Git GUI or ssh-keygen are too open
...y product of it's target audience). Using the git.exe in Winodws shell is known to have issues, I would advise sticking with msysgit. At least until GitSharp is fully working.
– Koby
Aug 24 '10 at 21:22
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PadLeft function in T-SQL
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SQL Server now supports the FORMAT function starting from version 2012, so:
SELECT FORMAT(id, '0000') FROM TableA
will do the trick.
If your id or column is in a varchar and represents a number you convert first:
SELECT FORMAT(CON...
Summarizing multiple columns with dplyr? [duplicate]
...x. I have a data frame with different variables and one grouping variable. Now I want to calculate the mean for each column within each group, using dplyr in R.
...