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libunwind链接时报错：undefined reference to `_Ux86_64_init_local\' - ...
libunwind链接时报错：undefined reference to `_Ux86_64_init_local'编译安装libunwind后，代码编译链接时报错：undefined reference to `_Ux86_64_init_local& 39;，链接选项加了 -lunwind，仍然报错。原因：编译出来的libunwind拆分成了很多个 编译安装libunwi...
Realistic usage of the C99 'restrict' keyword?
... "memset(p1,4,50); memset(p2,9,50);". Restrict is vastly superior to type-based aliasing; it's a shame compilers focus more on the latter.
– supercat
Mar 9 '16 at 0:14
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Android emulator shows nothing except black screen and adb devices shows “device offline”
...M driver does not support emulating a 64 bit system image on Intel systems based on Core microarchitecture (Core, Core2 Duo etc.). All systems based on Nehalem and beyond are supported. (Corei3, Core i5 and Core i7 machines).
I spent a day trying to figure this problem out when I came upon this qu...
Unable to load config info from /usr/local/ssl/openssl.cnf on Windows
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Or C:\OpenSSL-Win64\bin\openssl.cfg in 64bits systems
– borjab
Nov 13 '14 at 9:59
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When is assembly faster than C?
...les that still need compiler-specific code, see
Getting the high part of 64 bit integer multiplication: A portable version using uint64_t for 32x32 => 64-bit multiplies fails to optimize on a 64-bit CPU, so you need intrinsics or __int128 for efficient code on 64-bit systems.
_umul128 on Windo...
How is Perl's @INC constructed? (aka What are all the ways of affecting where Perl modules are searc
... don't forget PERLOPT, where you can set -I. Also, things such as base.pm and local::lib use the things you've listed implicitly.
– brian d foy
Mar 26 '10 at 21:30
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best practice to generate random token for forgot password
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I made a varchar(64) field in my sql database to store this token. I set $length to 64, but the string returned is 128 characters long. How can I get a string with a fixed size (here, 64 then) ?
– gordie
Feb 22 '16 at 19:12
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Cross compile Go on OSX?
... make says: # Building compilers and Go bootstrap tool for host, darwin/amd64 but later on it actually ends up as: --- Installed Go for windows/386 in /usr/local/go Installed commands in /usr/local/go/bin so one shall observe ending rather than beginning of compiling the compiler.
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ImportError: DLL load failed: %1 is not a valid Win32 application. But the DLL's are there
...naconda3, python3. Installed opencv_python-3.3.0+contrib-cp35-cp35m-win_amd64 from above package list and was able to import cv2 successfully after hours of struggle. Thanks a ton.
– emeralddove
Sep 23 '17 at 8:48
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Where are my postgres *.conf files?
...ntu 8.04 after update. Used EnterpriseDB package. I can connect to the database locally, I see system DB postgres but I can't configure it because I can't find config files. Searched through entire hard drive and found only samples like pg_hba.conf.sample
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