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How are ssl certificates verified?

...eps needed to securely verify a ssl certificate? My (very limited) understanding is that when you visit an https site, the server sends a certificate to the client (the browser) and the browser gets the certificate's issuer information from that certificate, then uses that to contact the issuerer, ...
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Indenting #defines

...re-ANSI C preprocessor did not allow for space between the start of a line and the "#" character; the leading "#" had to always be placed in the first column. Pre-ANSI C compilers are non-existent these days. Use which ever style (space before "#" or space between "#" and the identifier) you prefer...
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make arrayList.toArray() return more specific types

... What if we have ArrayList<Animal> and it contains Dog and Cat types that extend Animal? Seems like it would fail if the first element is Dog and the next is Cat. It sees the first element, creates an array of type Dog, adds the dog then tries to add the cat a...
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Why can I pass 1 as a short, but not the int variable i?

Why does the first and second Write work but not the last? Is there a way I can allow all 3 of them and detect if it was 1, (int)1 or i passed in? And really why is one allowed but the last? The second being allowed but not the last really blows my mind. ...
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What is the best (idiomatic) way to check the type of a Python variable? [duplicate]

...scussion. What are its advantages? Can we see some example code, to understand how it compares? The ABC PEP link is rather heavy with theory and quite a lot to consume when the goal is to simply test if something is a dict or string. Is there additional effort to implement ABCs, and (especially for ...
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What is the --save option for npm install?

I saw some tutorial where the command was: 11 Answers 11 ...
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How to configure a HTTP proxy for svn

...A%", note this is a hidden directory.) For me this involved uncommenting and setting the following lines: #http-proxy-host=my.proxy #http-proxy-port=80 #http-proxy-username=[username] #http-proxy-password=[password] shar...
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str performance in python

... '%s' % 100000 is evaluated by the compiler and is equivalent to a constant at run-time. >>> import dis >>> dis.dis(lambda: str(100000)) 8 0 LOAD_GLOBAL 0 (str) 3 LOAD_CONST 1 (100000) ...
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Can I use non existing CSS classes?

...our case the "target" class does in fact exist on those specific elements, and your markup is perfectly valid as it is. This doesn't necessarily mean that you need to have a class declared in the HTML before you can use it in CSS either. See ruakh's comment. Whether or not a selector is valid depen...
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What is the purpose of the “final” keyword in C++11 for functions?

...hat is the purpose of the final keyword in C++11 for functions? I understand it prevents function overriding by derived classes, but if this is the case, then isn't it enough to declare as non-virtual your final functions? Is there another thing I'm missing here? ...