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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
I first noticed in 2009 that GCC (at least on my projects and on my machines) have the tendency to generate noticeably faster code if I optimize for size ( -Os ) instead of speed ( -O2 or -O3 ), and I have been wondering ever since why.
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How do you get assembler output from C/C++ source in gcc?
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answered Sep 26 '08 at 0:19
Andrew EdgecombeAndrew Edgecombe
34.2k33 gold badges3232 silver badges6060 bronze badges
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Cross cutting concern example
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240
Before understanding the Crosscutting Concern, we have to understand the Concern.
A Concer...
“unpacking” a tuple to call a matching function pointer
...<<" "<<c<< std::endl; };
auto params = std::make_tuple(1,2.0,"Hello");
std::apply(f, params);
Just felt that should be stated once in an answer in this thread (after it already appeared in one of the comments).
The basic C++14 solution is still missing in this thread. EDIT: No...
How can I restore the MySQL root user’s full privileges?
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DMIDMI
5,62122 gold badges1919 silver badges2424 bronze badges
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How do I get the entity that represents the current user in Symfony2?
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210
Symfony 4+, 2019+ Approach
In symfony 4 (probably 3.3 also, but only real-tested in 4) you ca...
What's the difference between and
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edited Jun 12 '18 at 11:51
Konrad Borowski
9,45722 gold badges4747 silver badges6868 bronze badges
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How do I programmatically determine if there are uncommitted changes?
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297
UPDATE: the OP Daniel Stutzbach points out in the comments that this simple command git diff-i...
RegEx to make sure that the string contains at least one lower case char, upper case char, digit and
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edited Jul 21 '18 at 18:02
Community♦
111 silver badge
answered Oct 13 '09 at 12:03
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Maven 3 warnings about build.plugins.plugin.version
...lt;artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
The warning should be resolved.
Regarding this:
'build.plugins.plugin.version' for
org.apache.maven.plugins:maven-compiler-plugin is missing
Many people have mentioned why the issue is happeni...