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Right way to initialize an OrderedDict using its constructor such that it retains order of initial d

... See __hash__. Specifically about the str type. – metatoaster Aug 25 '14 at 6:43 ...
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Find out how much memory is being used by an object in Python [duplicate]

... Try this: sys.getsizeof(object) getsizeof() calls the object’s __sizeof__ method and adds an additional garbage collector overhead if the object is managed by the garbage collector. A recursive recipe share ...
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How do I test a file upload in rails?

...ing to make it available on SO. The rails framework has a function fixture_file_upload (Rails 2 Rails 3, Rails 5), which will search your fixtures directory for the file specified and will make it available as a test file for the controller in functional testing. To use it: 1) Put your file to be ...
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How to access app.config in a blueprint?

...horisation.py which in a package api. I am initializing the blueprint in __init__.py which is used in authorisation.py . ...
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Cost of len() function

...s, not C terms]: look up "len" in a dictionary and dispatch it to the built_in len function which will look up the object's __len__ method and call that ... all it has to do is return self.length share | ...
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Wait for page load in Selenium

...ere You can expect to show some element. something like in C#: WebDriver _driver = new WebDriver(); WebDriverWait _wait = new WebDriverWait(_driver, new TimeSpan(0, 1, 0)); _wait.Until(d => d.FindElement(By.Id("Id_Your_UIElement")); ...
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How to convert a string or integer to binary in Ruby?

... You have Integer#to_s(base) and String#to_i(base) available to you. Integer#to_s(base) converts a decimal number to a string representing the number in the base specified: 9.to_s(2) #=> "1001" while the reverse is obtained with String#to...
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Where are static variables stored in C and C++?

... 00 00 00 mov 0x0(%rip),%eax # a <f+0xa> 6: R_X86_64_PC32 .data-0x4 and the .data-0x4 says that it will go to the first byte of the .data segment. The -0x4 is there because we are using RIP relative addressing, thus the %rip in the instruction and R_X86_64_PC32. ...
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How do I run a Ruby file in a Rails environment?

...ou don't need to modify your script. http://guides.rubyonrails.org/command_line.html#rails-runner Just say rails runner script.rb share | improve this answer | follow ...
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Python Pandas merge only certain columns

... Hmmm ... I tried using this to merge column 'Unique_External_Users' from df2 to df1 but got an error ... "None of [Index(['U', 'n', 'i', 'q', 'u', 'e', '', 'E', 'x', 't', 'e', 'r', 'n', 'a',\n 'l', '', 'U', 's', 'e', 'r', 's'],\n dtype='object')] are in the [column...