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How do I analyze a program's core dump file with GDB when it has command-line parameters?

...2'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x0000564583cf2759 in myfunc (i=3) at main.c:7 7 *(int*)(NULL) = i; /* line 7 */ (gdb) bt #0 0x0000564583cf2759 in myfunc (i=3) at main.c:7 #1 0x0000564583cf2858 in main (argc=3, argv=0x7ffcca4effa8) at main.c:2 So not...
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Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C

...58, 0xD8, 0x38, 0xB8, 0x78, 0xF8, 0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4, 0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4, 0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC, 0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC, 0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2, 0x12, 0x92, 0x52,...
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Increasing (or decreasing) the memory available to R processes

... 64 From: http://gking.harvard.edu/zelig/docs/How_do_I2.html (mirror) Windows users may get t...
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Failed to install Python Cryptography package with PIP and setup.py

...orresponding locations. For example: C:\> \path\to\vcvarsall.bat x86_amd64 C:\> set LIB=C:\OpenSSL-1.0.1f-64bit\lib;%LIB% C:\> set INCLUDE=C:\OpenSSL-1.0.1f-64bit\include;%INCLUDE% C:\> pip install cryptography Building cryptography on Linux cryptography should build very easily on Linu...
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What is the “FS”/“GS” register intended for?

...this feature, that nobody was going to use it. Go, Andy!) AMD in going to 64 bits decided they didn't care if they eliminated Multics as a choice (that's the charitable interpretation; the uncharitable one is they were clueless about Multics) and so disabled the general capability of segment regist...
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How to make/get a multi size .ico file? [closed]

...ick in front of any commands. magick convert icon-16.png icon-32.png icon-64.png icon-128.png icon.ico See also http://www.imagemagick.org/Usage/thumbnails/#favicon, that has the example: magick convert image.png -bordercolor white -border 0 \ \( -clone 0 -resize 16x16 \) \ \...
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Cannot install node modules that require compilation on Windows 7 x64/VS2012

... This worked amazingly with my Windows 7 x64 install! Thanks Microsoft (for being dicks)! – Blairg23 Oct 9 '14 at 16:19  |...
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Can I install Python windows packages into virtualenvs?

... I tried to do this, but got an error wheel convert numpy-MKL-1.8.1.win-amd64-py2.7.exe then pip install numpy-1.8.1-cp27-none-win_amd64.whl i get the following error Downloading/unpacking numpy-1.8.1-cp27-none-win-amd64.whl Could not find any downloads that satisfy the requirement numpy-1.8.1-cp...
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内存优化总结:ptmalloc、tcmalloc和jemalloc - 操作系统(内核) - 清泛网 - ...

...glibc malloc版本。 ptmalloc原理 系统调用接口 上图是 x86_64 下 Linux 进程的默认地址空间, 对 heap 的操作, 操作系统提供了brk()系统调用,设置了Heap的上边界; 对 mmap 映射区域的操作,操作系 统 供了 mmap()和 munmap()函数。 因为系统...
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How to escape single quotes in MySQL

...QL 5.6 or later because of the use of a specific string function: FROM_BASE64. Let's say you have this message you'd like to insert: "Ah," Nearly Headless Nick waved an elegant hand, "a matter of no importance. . . . It's not as though I really wanted to join. . . . Thought I'd apply, but apparentl...