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MongoDB with redis
...collections cannot really be used to implement a real TTL. Redis has a TTL-based expiration mechanism, making it convenient to store volatile data. For instance, user sessions are commonly stored in Redis, while user data will be stored and indexed in MongoDB. Note that MongoDB 2.2 has introduced a ...
Actionbar notification count icon (badge) like Google has
...
I don't like ActionView based solutions,
my idea is:
create a layout with TextView, that TextView will be populated by
application
when you need to draw a MenuItem:
2.1. inflate layout
2.2. call measure() & layout() (otherwise view will be 0...
CSRF Token necessary when using Stateless(= Sessionless) Authentication?
...can forget when using JWT as you will see."
(JWT = Json Web Token, a Token based authentication for stateless apps)
http://www.jamesward.com/2013/05/13/securing-single-page-apps-and-rest-services
"The easiest way to do authentication without risking CSRF vulnerabilities is to simply avoid using coo...
Is it a good practice to use try-except-else in Python?
...s their cultural norms as reflected in their libraries. The "rule" is also based in-part on performance considerations for those languages.
The Python cultural norm is somewhat different. In many cases, you must use exceptions for control-flow. Also, the use of exceptions in Python does not slow th...
How to set a Default Route (To an Area) in MVC
...ate Spark views instead (or whatever), you can still use this class as the base type.
The code below is pretty long-winded, so to give you a quick summary of what it actually does: It lets you put a {2} into the location format, which corresponds to the area name, the same way {1} corresponds to th...
What are MVP and MVC and what is the difference?
... - stackoverflow.com/a/2068/74556 mentions, in MVC, controller methods are based on behaviors -- in other words, you can map multiple views (but same behavior) to a single controller. In MVP, the presenter is coupled closer to the view, and usually results in a mapping that is closer to one-to-one, ...
What is a ViewModelLocator and what are its pros/cons compared to DataTemplates?
... use a container or just new up a type yourself. So you can do convention based view model location, for example instead of pre-registering all your views and view models in some container.
– Chris Bordeman
Sep 20 '17 at 20:51
...
How can I profile C++ code running on Linux?
... which functions are calling which other functions. It uses standard time based sampling for, uh, time. It then apportions times sampled in a function foo() back to the callers of foo(), in proprtion to the numberr of calls. So it doesn't distinguish between calls of different costs.
...
Clang vs GCC for my Linux Development project
...& std::basic_ostream<_CharT, _Traits>::operator<<(std::ios_base& (*)(std::ios_base&)) [with _CharT = char, _Traits = std::char_traits<char>]
/usr/lib/gcc/i686-pc-linux-gnu/4.3.4/include/g++-v4/ostream:169: note: std::basic_ostream<_CharT, _Traits>&...
What are the differences between Perl, Python, AWK and sed? [closed]
... to specified ranges of lines) of the input file or files. Its language is based on ed, the Unix editor, and although it has conditionals and so on, it is hard to work with for complex tasks. You can work minor miracles with it - but at a cost to the hair on your head. However, it is probably the fa...