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Comma in C/C++ macro
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Because angle brackets can also represent (or occur in) the comparison operators <, >, <= and >=, macro expansion can't ignore commas inside angle brackets like it does within parentheses. (This is also a problem...
Are HLists nothing more than a convoluted way of writing tuples?
...e, and more generally, to identify canonical use cases where HLists cannot be used (or rather, don't yield any benefits over regular lists).
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Why are hexadecimal numbers prefixed with 0x?
Why are hexadecimal numbers prefixed as 0x ?
I understand the usage of the prefix but I don't understand the significance of why 0x was chosen.
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Saving and loading objects and using pickle
I´m trying to save and load objects using pickle module.
First I declare my objects:
7 Answers
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How do I revert all local changes in Git managed project to previous state?
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answered Jul 18 '09 at 7:57
1800 INFORMATION1800 INFORMATI...
How does the Windows Command Interpreter (CMD.EXE) parse scripts?
I ran into ss64.com which provides good help regarding how to write batch scripts that the Windows Command Interpreter will run.
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How does Access-Control-Allow-Origin header work?
...in Resource Sharing) header.
When Site A tries to fetch content from Site B, Site B can send an Access-Control-Allow-Origin response header to tell the browser that the content of this page is accessible to certain origins. (An origin is a domain, plus a scheme and port number.) By default, Site ...
innerText vs innerHTML vs label vs text vs textContent vs outerText
I have a dropdown list which is populated by Javascript.
6 Answers
6
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Remove empty lines in text using Visual Studio
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Since Visual Studio 2012 changed its regex syntax, the original answers by Ala translate into the following in VS 2012:
Remove single blank lines
Old:
^:b*$\n
New:
^(?([^\r\n])\s)*\r?$\r?\n
Visual Studio 2013 (thanks to BozoJoe and Joe Johnston):
^\s*$\n
Remove double blank lines
Old:...
Hidden features of Perl?
What are some really useful but esoteric language features in Perl that you've actually been able to employ to do useful work?
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