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What is the performance cost of having a virtual method in a C++ class?
...al functions, unless there are clear and specific indications that it is a bottle neck. A clean design always comes first - but it is only one stakeholder that should not unduly hurt others.
Contrived Example: An empty virtual destructor on an array of one million small elements may plow through...
Why use JUnit for testing?
...ed emails, checking text messages, checking the path of a robot, filling a bottle of soda, aggregating data from a hundred web services, checking the audit trail of a financial transaction... you get the idea. "Output" doesn't mean a few lines of text, "output" means aggregate system behavior.
L...
Releasing memory in Python
...ip build-essential python-dev lm-sensors
sudo pip install psutil logutils bottle batinfo https://bitbucket.org/gleb_zhulik/py3sensors/get/tip.tar.gz zeroconf netifaces pymdstat influxdb elasticsearch potsdb statsd pystache docker-py pysnmp pika py-cpuinfo bernhard
sudo pip install glances
Then ru...
What are deferred objects?
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So, just old wine in new bottle!
– ankush981
Jul 26 '15 at 16:41
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How would you implement an LRU cache in Java?
...od cache. If your cache is really large, then the linear search could be a bottle neck especially if you don't have hot areas of cache. The more intense the hot spots, the faster the linear search as hot items are always at the top of the linear search. Anyway... what is needed for this to go faster...
Git-Based Source Control in the Enterprise: Suggested Tools and Practices?
... Oh - I don't actually go around the office swigging from a bottle of hooch and offering fistfights to all comers. That was a joking metaphorical allusion to the legend of Mike Fink - check him out on Wikipedia. Although I have been known to show up at the office somewhat worse for th...
Rails I18n validation deprecation warning
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Important: Make sure your app is not using I18n 0.6.8, it has a bug that prevents the configuration to be set correctly.
Short answer
In order to silence the warning edit the application.rb file and include the following line inside the Rails::Application body
con...
Schema for a multilanguage database
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What do you think about having a related translation table for each translatable table?
CREATE...
What are the differences between json and simplejson Python modules?
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edited Oct 29 '18 at 17:22
wim
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a...
Python mysqldb: Library not loaded: libmysqlclient.18.dylib
...r/lib
Using the command:
sudo ln -s /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/lib/libmysqlclient.18.dylib
so that I have the following mapping:
ls -l libmysqlclient.18.dylib
lrwxr-xr-x 1 root wheel 44 16 Jul 14:01 libmysqlclient.18.dylib -> /usr/local/mysql/lib/libmysqlclient.18...