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Clang optimization levels
On gcc, the manual explains what -O3 , -Os , etc. translate to in terms of specific optimisation arguments ( -funswitch-loops , -fcompare-elim , etc.)
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Linux equivalent of the Mac OS X “open” command [closed]
I've found the "open" command in Mac OS X very handy in the command line. From "man open":
7 Answers
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How can I get the behavior of GNU's readlink -f on a Mac?
... -f that follows additional links. This doesn't seem to work on Mac and possibly BSD based systems. What would the equivalent be?
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Tomcat: How to find out running tomcat version
...omcat/7.0.30
Server built: May 23 2013 02:54:10
Server number: 7.0.30.0
OS Name: Linux
OS Version: 3.13.0-36-generic
Architecture: amd64
JVM Version: 1.7.0_65-b32
JVM Vendor: Oracle Corporation
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How to get the primary IP address of the local machine on Linux and OS X? [closed]
... solution that would return me the primary (first) IP address of the localhost, other than 127.0.0.1
31 Answers
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Clear terminal in Python [duplicate]
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Note that this is not portable across all terminal types... not that you'll run into too many odd types these days...
– Ignacio Vazquez-Abrams
Jan 18 '10 at 7:44
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OS X10.9 环境下部署 QT5.3.1 常见的编译问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
OS X10.9 环境下部署 QT5.3.1 常见的编译问题出于本身对UNIX系统的好奇，以及身边一群对 Swift 语言各种推崇的苹果教徒的影响，这几天折腾起 MAC OS X来，体验下这个被无数开发者...
出于本身对UNIX系统的好奇，以及身边一群对 Swift ...
What and where are the stack and heap?
...d. The stack is always reserved in a LIFO (last in first out) order; the most recently reserved block is always the next block to be freed. This makes it really simple to keep track of the stack; freeing a block from the stack is nothing more than adjusting one pointer.
The heap is memory set asi...
How to get the python.exe location programmatically? [duplicate]
... embedded python environment. My suggestions is to deduce it from
import os
os.__file__
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uint8_t can't be printed with cout
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It doesn't really print a blank, but most probably the ASCII character with value 5, which is non-printable (or invisible). There's a number of invisible ASCII character codes, most of them below value 32, which is the blank actually.
You have to convert aa to u...