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On logout, clear Activity history stack, preventing “back” button from opening logged-in-only Activi
...ll still navigate back through that Activity by recreating it. This can be tested/reproduced by turning on the developer setting "Don't Keep Activities"
– Eric Schlenz
Jan 29 '14 at 22:36
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What goes into your .gitignore if you're using CocoaPods?
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@fatuhoku For Cocoapods-blind continuous-integration test servers, in my experience. I check it all in because I don't have access to the build script for my CI host (business rule) and treat CocoaPods as a developer tool, not a build system or package manager.
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What is the use of the ArraySegment class?
... calculations can now
be farmed out quite easily, something
that the latest C++ compilers are
starting to do as a code optimization
step.
UI Segmentation - Constrain your UI displays using segmented
structures. You can now store
structures representing pages of data
that can quick...
When is a function too long? [closed]
...gs! I do think breaking the function up like this makes it much easier to test.
– mtnpaul
Mar 31 '12 at 4:45
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show 2 more comments
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What exactly do “u” and “r” string flags do, and what are raw string literals?
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Just tested r strings and noticed that if \ is the last character it will not be taken as a literal but instead escapes the closing quote, causing SyntaxError: EOL while scanning string literal. So \\ still must be used for the ...
Is there a performance difference between a for loop and a for-each loop?
... using strings.get(i) */ }
Now the actual two cents: At least when I was testing these, the third one was the fastest when counting milliseconds on how long it took for each type of loop with a simple operation in it repeated a few million times - this was using Java 5 with jre1.6u10 on Windows in...
How to compare arrays in JavaScript?
... false;
}
else if (this[i] != array[i]) {
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I made a little test tool for both of the functions.
Bonus: Nested arrays with indexOf and contains
Samy Bencherif has prepared useful functions for the case you're searching for a specific object in nested arrays, which are available here: ...
Microsoft CDN for jQuery or Google CDN? [closed]
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It probably doesn't matter, but you could validate this with some A/B testing. Send half of your traffic to one CDN, and half to the other, and set up some profiling to measure the response. I would think it more important to be able to switch easily in case one or the other had some serious un...
Red black tree over avl tree
...ees but red-black trees are consistently slower by about 20% in real world tests. Or even 30-40% slower when sequential data is inserted.
So people who have studied red-black trees but not AVL trees tend to choose red-black trees. The primary uses for red-black trees are detailed on the Wikipedia ...
Where should signal handlers live in a django project?
....py module file, as I believe this is called as soon as the app starts up (testing with a print statement suggests that it's called even before the settings file is read.)
# /project/__init__.py
import signals
and in signals.py
# /project/signals.py
from django.contrib.auth.signals import user_...