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What exactly does the Access-Control-Allow-Credentials header do?
... CORS does not include cookies on cross-origin requests. This is different from other cross-origin techniques such as JSON-P. JSON-P always includes cookies with the request, and this behavior can lead to a class of vulnerabilities called cross-site request forgery, or CSRF.
In order to reduce the ...
What is the difference between integration and unit tests?
... collection classes, etc.) which don't make sense to be mocked or isolated from; we simply regard them as stable and reliable dependencies which are outside the testing scope.
– Rogério
Apr 22 '15 at 21:58
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Understand the “Decorator Pattern” with a real world example
...
From another perspective this is not even close to "real world". In the real world you should not recompile each time you need to add a new topping in menu (or change the price). Toppings are (usually) stored in database and ...
Linux - Install redis-cli only
...x server with Redis installed and I want to connect to it via command line from my local Linux machine.
12 Answers
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Difference between C++03 throw() specifier C++11 noexcept
...when a dynamic exception specification is violated: an exception is thrown from a function whose exception specification forbids exceptions of this type.
std::unexpected() may also be called directly from the program.
In either case, std::unexpected calls the currently installed std::unexpected_ha...
Backbone.js: `extend` undefined?
... I totally missed that dependency in the docs. Duh.
Further clarification from @tjorriemorrie:
I had underscore, but loaded in the wrong order, first load underscore (guess that is what 'dependency' means :)
Further Clarification just in case this isn't obvious. The order that things are loaded...
no new variables on left side of :=
...
Remove the colon : from the second statement as you are assigning a new value to existing variable.
myArray = [...]int{11,12,14}
colon : is used when you perform the short declaration and assignment for the first time as you are doing in you...
Is the list of Python reserved words and builtins available in a library?
..., 'continue', 'def',
'del', 'elif', 'else', 'except', 'finally', 'for', 'from', 'global', 'if', 'import',
'in', 'is', 'lambda', 'nonlocal', 'not', 'or', 'pass', 'raise', 'return', 'try',
'while', 'with', 'yield']
If you want to include built-in names as well (Python 3), then check the builti...
Is there a print_r or var_dump equivalent in Ruby / Ruby on Rails?
...;> raise Rails.root
RuntimeError: /home/marcin/work/github/project1
from (irb):17
>>
I also really encourage you to try ruby-debug:
http://railscasts.com/episodes/54-debugging-with-ruby-debug
http://www.sitepoint.com/article/debug-rails-app-ruby-debug/
http://www.datanoise.com/arti...
Check a collection size with JSTL
...ly using a too old EL version. You'll need JSTL fn:length() function then. From the documentation:
length( java.lang.Object) - Returns the number of items in a collection, or the number of characters in a string.
Put this at the top of JSP page to allow the fn namespace:
<%@ taglib prefix="fn" ...