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Is it possible to print a variable's type in standard C++?
...ariable type in C++.
The accepted (and good) answer is to use typeid(a).name(), where a is a variable name.
Now in C++11 we have decltype(x), which can turn an expression into a type. And decltype() comes with its own set of very interesting rules. For example decltype(a) and decltype((a)) will ...
Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
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As per the documentation: This allows you to switch from the default ASCII to other encodings such as UTF-8, which the Python runtime will use whenever it has to decode a string buffer to unicode.
This function is only available at Pytho...
How to find all occurrences of an element in a list?
... list. Is there a neat trick which returns all indices in a list for an element?
16 Answers
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“The run destination iOS Device is not valid for running the scheme”
...OS6 I get "The run destination iOS Device is not valid for running the scheme NN. The Scheme contains no buildables that can be built for the architectures supported by the run designation device".
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What is the difference between “#!/usr/bin/env bash” and “#!/usr/bin/bash”?
... the header of a Bash script, what's the difference between those two statements:
5 Answers
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How do Mockito matchers work?
Mockito argument matchers (such as any , argThat , eq , same , and ArgumentCaptor.capture() ) behave very differently from Hamcrest matchers.
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How to implement custom JsonConverter in JSON.NET to deserialize a List of base class objects?
I am trying to extend the JSON.net example given here
http://james.newtonking.com/projects/json/help/CustomCreationConverter.html
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How to declare strings in C [duplicate]
Can anyone explain me what is a difference between these lines of code
4 Answers
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How to validate an email address using a regular expression?
... grammar and passes several tests using grep -Po, including cases domain names, IP addresses, bad ones, and account names with and without quotes.
Correcting the 00 bug in the IP pattern, we obtain a working and fairly fast regex. (Scrape the rendered version, not the markdown, for actual code.)
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How do you extract a column from a multi-dimensional array?
Does anybody know how to extract a column from a multi-dimensional array in Python?
20 Answers
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