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What is the difference between #include and #include “filename”?

...e> the preprocessor searches in an implementation dependent manner, normally in search directories pre-designated by the compiler/IDE. This method is normally used to include standard library header files. For #include "filename" the preprocessor searches first in the same directory as the file ...
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Detect if stdin is a terminal or pipe?

... Summary For many use cases the POSIX function isatty() is all what it is needed to detect if stdin is connected to a terminal. A minimal example: #include <unistd.h> #include <stdio.h> int main(int argc, char **argv) { if (isatty(fileno(stdin))) puts("stdin is co...
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Accessing dict_keys element by index in Python3

... Call list() on the dictionary instead: keys = list(test) In Python 3, the dict.keys() method returns a dictionary view object, which acts as a set. Iterating over the dictionary directly also yields keys, so turning a dicti...
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How to check if smtp is working from commandline (Linux) [closed]

I have a SMTP-server, for the purpose of this question lets call it: smtp.mydomain.com. 4 Answers ...
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How do I get the MAX row with a GROUP BY in LINQ query?

... (s => s.uid, tv => tv.uid, asdf => asdf.uid). Linq will automatically recognize it as selecting over elements of type Serial. – Michael Mar 17 '11 at 17:03 add a com...
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How to deal with persistent storage (e.g. databases) in Docker

...nly container pattern must be abandoned in favour of the new volumes. Actually the volume API is only a better way to achieve what was the data-container pattern. If you create a container with a -v volume_name:/container/fs/path Docker will automatically create a named volume for you that can: ...
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Add directives from directive in AngularJS

...(a high number): When the DOM is ready, angular walks the DOM to identify all registered directives and compile the directives one by one based on priority if these directives are on the same element. We set our custom directive's priority to a high number to ensure that it will be compiled first a...
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Find what filetype is loaded in vim

...p;filetype ==# 'cpp' setlocal noexpandtab endif & syntax works for all options: https://vi.stackexchange.com/questions/2569/how-do-i-check-the-value-of-a-vim-option-in-vimscript share | impr...
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Is it a good practice to use try-except-else in Python?

...o, the use of exceptions in Python does not slow the surrounding code and calling code as it does in some compiled languages (i.e. CPython already implements code for exception checking at every step, regardless of whether you actually use exceptions or not). In other words, your understanding that...
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Reuse Cucumber steps

...E: The method described below has been deprecated. The recommended way to call a step from within another step now looks like this: Given /^I login successfully$/ step "I login with valid credentials" end Old, deprecated method (for reference): You can call steps from other steps like th...