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Cannot set some HTTP headers when using System.Net.WebRequest

... If you need the short and technical answer go right to the last section of the answer. If you want to know better, read it all, and i hope you'll enjoy... I countered this problem too today, and what i discovered today is that: the above ans...
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Why did Rails4 drop support for “assets” group in the Gemfile

... Previously the assets group existed to avoid unintended compilation-on-demand in production. As Rails 4 doesn't behave like that anymore, it made sense to remove the asset group. This is explained in more detail in the commit that changed that. I extracted some quotes with the actual answer. Some ...
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How do I call setattr() on the current module?

... scope it's called at: the module's variables when called at global scope, and then it's OK to use it R/W, but the function's variables when called in a function, and then it must be treated as R/O -- the Python online docs can be a bit confusing about this specific distinction). ...
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Python: How would you save a simple settings/config file?

...n the file format required. ConfigParser [.ini format] I would use the standard configparser approach unless there were compelling reasons to use a different format. Write a file like so: # python 2.x # from ConfigParser import SafeConfigParser # config = SafeConfigParser() # python 3.x from co...
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Design for Facebook authentication in an iOS app that also accesses a secured web service

... I just dealt with this myself, and here's the part that bit me: In your step 5... It's possible for a user to register for an account with you entirely separate from their Facebook ID, right? Then some other time they log in with Facebook.... And you just...
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In C++, what is a “namespace alias”?

... To possibly explain the downvotes, SO is not and never will be a replacement forv a good C++ textbook. The question you posed will be answered by any such book. And the SO "feature" of answering your own questions should not be used to provide paraphrases of such books....
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What does it mean to “program to an interface”?

I have seen this mentioned a few times and I am not clear on what it means. When and why would you do this? 32 Answers ...
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Using CMake with GNU Make: How can I see the exact commands?

I use CMake with GNU Make and would like to see all commands exactly (for example how the compiler is executed, all the flags etc.). ...
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How do I create a variable number of variables?

...u can use dictionaries to accomplish this. Dictionaries are stores of keys and values. >>> dct = {'x': 1, 'y': 2, 'z': 3} >>> dct {'y': 2, 'x': 1, 'z': 3} >>> dct["y"] 2 You can use variable key names to achieve the effect of variable variables without the security ris...
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How do I run a terminal inside of Vim?

... Vim 8.1 now has a built in terminal that can be opened with the :term command. This provides much more complete integration with the rest of the Vim features. I would definitely recommend screen for something like this. Vim is a text editor, not a shell. I would use Ctrl+AS to split the current w...