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Is Fortran easier to optimize than C for heavy calculations?
...g software (LAMMPS) over from fortran to c++ adding in a number of awesome enhancements.
– Zachary Kraus
Sep 9 '15 at 3:46
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Verify a certificate chain using openssl verify
... certificate chain before you install it into Apache. Perhaps this can be enhanced with some of the more mystic OpenSSL magic, but I am no OpenSSL guru and following works:
#!/bin/bash
# This Works is placed under the terms of the Copyright Less License,
# see file COPYRIGHT.CLL. USE AT OWN RISK,...
Convert columns to string in Pandas
...version 1.1), there are no performance benefits but the docs expect future enhancements to significantly improve performance and reduce memory usage for "string" columns as opposed to objects. With that said, however, it's never too early to form good habits!
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How does the Java 'for each' loop work?
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The foreach loop, added in Java 5 (also called the "enhanced for loop"), is equivalent to using a java.util.Iterator--it's syntactic sugar for the same thing. Therefore, when reading each element, one by one and in order, a foreach should always be chosen over an iterator, as ...
Multiple aggregations of the same column using pandas GroupBy.agg()
...ive syntax for specifying named aggregations. See the 0.25 docs section on Enhancements as well as relevant GitHub issues GH18366 and GH26512.
From the documentation,
To support column-specific aggregation with control over the output
column names, pandas accepts the special syntax in GroupB...
What is external linkage and internal linkage?
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Info that might greatly enhance this answer: 1) static is not deprecated anymore in C++11. 2) anonymous namespace members in C++11 have internal linkage by default. See stackoverflow.com/questions/10832940/…
– Klaim
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Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?
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Note also that Visual C++ provides an 'enhanced' version of pow(). By calling _set_SSE2_enable(<flag>) with flag=1, it will use SSE2 if possible. This reduces accuracy by a bit, but improves speeds (in some cases). MSDN: _set_SSE2_enable() and pow()
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RegEx match open tags except XHTML self-contained tags
...into its meaningful parts. so many times but it is not getting to me. Even enhanced irregular regular expressions as used by Perl are not up to the task of parsing HTML. You will never make me crack. HTML is a language of sufficient complexity that it cannot be parsed by regular expressions. Even Jo...
OAuth secrets in mobile apps
...owever this might help mitigate the issue: medium.com/@benjamin.botto/… (Enhanced Architecture -> Security Considerations)
– Ivo Pereira
Aug 23 at 0:07
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When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?
... @seane - FYI your link seems dead. The new one (text has been enhanced) is available here: msdn.microsoft.com/en-us/library/974tc9t1.aspx
– Simon Mourier
Nov 19 '14 at 11:41
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