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How do I remove code duplication between similar const and non-const member functions?
...able(const T& _) { return const_cast<T&>(_); }. Then you can do: return variable(constant(*this).get());
– Casey Rodarmor
Jul 21 '14 at 12:46
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REST API error return good practices [closed]
...it SHOULD describe the reason for the refusal in the entity. If the server does not wish to make this information available to the client, the status code 404 (Not Found) can be used instead.
This tells the client that the request was OK, but that it failed (something a 200 doesn't do). This also ...
Why should I care that Java doesn't have reified generics?
...e added to the Java language. It's commonly-identified as a pain that Java doesn't have reified generics but, when pushed, the candidate couldn't actually tell me the sort of things that he could have achieved were they there.
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Process escape sequences in a string in Python
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The correct thing to do is use the 'string-escape' code to decode the string.
>>> myString = "spam\\neggs"
>>> decoded_string = bytes(myString, "utf-8").decode("unicode_escape") # python3
>>> decoded_string = myString...
What is the purpose of setting a key in data.table?
...e me to set a key (e.g. X[Y] ). As such, I wish to understand what a key does in order to properly set keys in my data tables.
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java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\xBD\xF0\x9F…'
...our bytes to store it. Since utf8 cannot store
the character at all, you do not have any supplementary characters in
utf8 columns and you need not worry about converting characters or
losing data when upgrading utf8 data from older versions of MySQL.
So to support these characters, your MySQ...
Refresh image with a new one at the same url
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Why not Math.random()
– Gowtham Gopalakrishnan
Sep 15 '17 at 7:20
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show 4 more c...
ASP.NET MVC - TempData - Good or bad practice
... the confirm step. I wonder if instead after they first submit, you could do enough processing to generate the confirm dialog, then return the original page with the confirm question. Similar to how you might do validation, except the validation rule checks whether the confirmation step was perfor...
Is it better to use std::memcpy() or std::copy() in terms to performance?
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I'm going to go against the general wisdom here that std::copy will have a slight, almost imperceptible performance loss. I just did a test and found that to be untrue: I did notice a performance difference. However, the winner was std::copy.
I wrote a C++ SHA-2 ...
How to comment out a block of code in Python [duplicate]
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Python does not have such a mechanism. Prepend a # to each line to block comment. For more information see PEP 8. Most Python IDEs support a mechanism to do the block-commenting-with-pound-signs automatically for you. For example, i...