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Is it possible to make a type only movable and not copyable?
... the new struct or enum is itself Copy. If not, the compiler will print an error message. It can also only exist if the type doesn't have a Drop implementation.
To answer the question you didn't ask... "what's up with moves and copy?":
Firstly I'll define two different "copies":
a byte copy, w...
How do I update all my CPAN modules to their latest versions?
How do I update all my CPAN modules to their latest versions?
5 Answers
5
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What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack
...g( "world!" ) );
wrap_printf( &std::fprintf, stderr, std::string( "Error %d" ), 5 );
}
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What are the differences between NP, NP-Complete and NP-Hard?
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@FalkHüffner Thanks, table is updated (was an error in translating from the Venn diagram).
– Johnson Wong
Feb 26 '14 at 7:16
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Extracting just Month and Year separately from Pandas Datetime column
...: t = pandas.tslib.Timestamp.now()
In [16]: t
Out[16]: Timestamp('2014-08-05 14:49:39.643701', tz=None)
In [17]: t.to_pydatetime() #datetime method is deprecated
Out[17]: datetime.datetime(2014, 8, 5, 14, 49, 39, 643701)
In [18]: t.day
Out[18]: 5
In [19]: t.month
Out[19]: 8
In [20]: t.year
Out[...
Variable interpolation in the shell
...late $filepath_newstap.
You can use set -u to make the shell exit with an error when you reference an undefined variable.
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How to get the current directory in a C program?
...LL) {
printf("Current working dir: %s\n", cwd);
} else {
perror("getcwd() error");
return 1;
}
return 0;
}
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Android Eclipse - Could not find *.apk
...seem to work for me. I was able to build my apk without issues until this error started cropping up. I have tried cleaning my project, removing it from the workspace and reimporting it, removing "Java Builder" from my Builders for the project, building the project manually, reordering my java buil...
Check if a value is within a range of numbers
...vertheless.
– Alexander
Sep 7 at 21:05
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Why split the tag when writing it with document.write()?
...n XHTML without extra CDATA section wrapping, it's still a well-formedness error. Also you can use \x3C in inline event handler attributes where < would also be invalid in both HTML and XHTML, so it has a wider applicability: if I were choosing one, easily-automated way to escape sensitive charac...