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Erlang's 99.9999999% (nine nines) reliability
...rted to have been used in production systems for over 20 years with an uptime percentage of 99.9999999%.
4 Answers
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Python extending with - using super() Python 3 vs Python 2
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super() (without arguments) was introduced in Python 3 (along with __class__):
super() -> same as super(__class__, self)
so that would be the Python 2 equivalent for new-style classes:
super(CurrentClass, self)
for old-style classes you c...
What's the best strategy for unit-testing database-driven applications?
...unit-testing the business logic fairly straightforward; things can be implemented in discrete modules and any data needed for the test can be faked through object mocking.
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List all the modules that are part of a python package?
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Yes, you want something based on pkgutil or similar -- this way you can treat all packages alike regardless if they are in eggs or zips or so (where os.listdir won't help).
import pkgutil
# this is the package we are inspecting -- for exam...
application/x-www-form-urlencoded or multipart/form-data?
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TL;DR
Summary; if you have binary (non-alphanumeric) data (or a significantly sized payload) to transmit, use multipart/form-data. Otherwise, use application/x-www-form-urlencoded.
The MIME types you mention are the two Content-Type headers for HTTP POST requests that...
Ruby custom error classes: inheritance of the message attribute
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raise already sets the message so you don't have to pass it to the constructor:
class MyCustomError < StandardError
attr_reader :object
def initialize(object)
@object = object
end
end
begin
raise MyCustomError.new("an object"), "a...
Why can't code inside unit tests find bundle resources?
Some code I am unit testing needs to load a resource file. It contains the following line:
6 Answers
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Conditional HTML Attributes using Razor MVC3
The variable strCSSClass often has a value but sometimes is empty.
3 Answers
3
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What is the C runtime library?
What actually is a C runtime library and what is it used for? I was searching, Googling like a devil, but I couldn't find anything better than Microsoft's: "The Microsoft run-time library provides routines for programming for the Microsoft Windows operating system. These routines automate many commo...
Storing Image Data for offline web application (client-side storage database)
...lippy maps
Testing
171 PNG files (total of 3.2MB)
Platforms tested: Chrome v24, FireFox 18, IE 10
Should also work with Chrome & FF for Android
Fetch from web server
using XHR2 (supported on almost all browsers) for blob download from web server
I went with XHR2-Lib by Phil Parsons, which...