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Python mock multiple return values
...e next value in the sequence each time it is called:
>>> from unittest.mock import Mock
>>> m = Mock()
>>> m.side_effect = ['foo', 'bar', 'baz']
>>> m()
'foo'
>>> m()
'bar'
>>> m()
'baz'
Quoting the Mock() documentation:
If side_effect is an it...
Java 8: performance of Streams vs Collections
...n't think changing LinkedList for ArrayList would change anything, as both tests should add to it, the times should not be affected. Anyway, could you please explain the results? It's hard to tell what you are measuring here (units say ns/op, but what is considered an op?).
– M...
IE8 and JQuery's trim()
...one's Code Review because they used the OP's syntax. They obviously didn't test in any version of MSIE.
– Adrian J. Moreno
May 20 '11 at 18:56
...
Using a bitmask in C#
...6, Sun = 32 }
DaysBitMask mask = DaysBitMask.Sat | DaysBitMask.Thu;
bool test;
if ((mask & DaysBitMask.Sat) == DaysBitMask.Sat)
test = true;
if ((mask & DaysBitMask.Thu) == DaysBitMask.Thu)
test = true;
if ((mask & DaysBitMask.Wed) != DaysBitMask.Wed)
test = true;
// Store...
Python list iterator behavior and next(iterator)
...:
print(i)
next(a)
>>>
0
2
4
6
8
Works like expected.
Tested in Python 2.7 and in Python 3+ . Works properly in both
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How to set response filename without forcing “save as” dialog
... wrote this answer, and wish you'd given hard facts instead of FUD. I just tested in IE 6, IE 8, modern Chrome, and modern Firefox, and it works in all of them; as far as I can tell, it's totally safe to use this nowadays.
– Mark Amery
Jun 1 '14 at 18:35
...
What is difference between Collection.stream().forEach() and Collection.forEach()?
...loop really often, this might still be of interest.
You should repeat this tests under the target system as this is implementation specific, (full source code).
I run openjdk version 1.8.0_111 on a fast Linux machine.
I wrote a test that loops 10^6 times over a List using this code with varying size...
Where to define custom error types in Ruby and/or Rails?
...w I'm handling custom errors in Rails, including attaching error messages, testing, and how to handle this with ActiveRecord models.
Creating Custom Error
class MyClass
# create a custome error
class MissingRequirement < StandardError; end
def my_instance_method
raise MyClass::Miss...
Using the scrollwheel in GNU screen
...o xterm* ti@:te@
Where "xterm*" is a glob match of your current TERM. To confirm it works, ^A^D to detach from your screen, then screen -d -r to reattach, then ls a few times, and try to scroll back. It works for me.
What is this magic? Well, let's consult the manual pages.
screen(1) says:
t...
Why does viewWillAppear not get called when an app comes back from the background?
...ewDidDisappear IS called when the app is backgrounded on iOS7. Can I get a confirmation?
– Mike Kogan
Jun 20 '14 at 12:45
...