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Linux bpftrace学习笔记（持续更新） - 操作系统(内核) - 清泛网移动版 - ...
...D COMM FD ERR PATH
4235 head -1 2 tls/x86_64/x86_64/libc.so.6
4235 head -1 2 tls/x86_64/libc.so.6
4235 head -1 2 tls/x86_64/libc.so.6
4235 head -1 2 tls/libc.so.6
4235 head -1 2 x86_64/x86...
Linux bpftrace学习笔记（持续更新） - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...D COMM FD ERR PATH
4235 head -1 2 tls/x86_64/x86_64/libc.so.6
4235 head -1 2 tls/x86_64/libc.so.6
4235 head -1 2 tls/x86_64/libc.so.6
4235 head -1 2 tls/libc.so.6
4235 head -1 2 x86_64/x86...
Linux bpftrace学习笔记（持续更新） - 操作系统(内核) - 清泛网移动版 - ...
...D COMM FD ERR PATH
4235 head -1 2 tls/x86_64/x86_64/libc.so.6
4235 head -1 2 tls/x86_64/libc.so.6
4235 head -1 2 tls/x86_64/libc.so.6
4235 head -1 2 tls/libc.so.6
4235 head -1 2 x86_64/x86...
Linux bpftrace学习笔记（持续更新） - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...D COMM FD ERR PATH
4235 head -1 2 tls/x86_64/x86_64/libc.so.6
4235 head -1 2 tls/x86_64/libc.so.6
4235 head -1 2 tls/x86_64/libc.so.6
4235 head -1 2 tls/libc.so.6
4235 head -1 2 x86_64/x86...
Ternary operator is twice as slow as an if-else block?
...
To answer this question, we'll examine the assembly code produced by the X86 and X64 JITs for each of these cases.
X86, if/then
32: foreach (int i in array)
0000007c 33 D2 xor edx,edx
0000007e 83 7E 04 00 cmp dword ptr [esi+4],0
000000...
StringUtils 字符串工具扩展：强大的文本处理工具集 · App Inventor 2 中文网
...体
说明
示例
无后缀
返回新字符串，不修改 Text 属性
Left(3)
“This” 后缀
修改内部 Text 属性
LeftThis(3)
“Of” 后缀
对传入的参数进行操作
LeftOf("Hello", 3...
rgdal package installation
...a Fedora 21 system using R-3.2.0, the following worked:
yum install gdal.x86_64 gdal-devel.x86_64 gdal-libs.x86_64
yum install proj.x86_64 proj-devel.x86_64
yum install proj-epsg.x86_64 proj-nad.x86_64
Obviously this was the result of repeated tries to get:
install.packages("rgdal")
to work. Y...
How do I use Notepad++ (or other) with msysgit?
...h it
So the script in that case would be:
#!/bin/sh
"C:/Program Files (x86)/Notepad++/notepad++.exe" -multiInst -notabbar -nosession -noPlugin "$(cygpath -w "$*")"
Multiple lines for readability:
#!/bin/sh
"C:/Program Files (x86)/Notepad++/notepad++.exe" -multiInst -notabbar \
-nosession -no...
What does multicore assembly language look like?
Once upon a time, to write x86 assembler, for example, you would have instructions stating "load the EDX register with the value 5", "increment the EDX" register, etc.
...
How to install Java SDK on CentOS?
...this, the lastest available version may be different.
java-1.7.0-openjdk.x86_64
The above package alone will only install JRE. To also install javac and JDK, the following command will do the trick:
$ yum install java-1.7.0-openjdk*
These packages will be installing (as well as their dependenc...