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What is the difference between the kernel space and the user space?
...nerates an interrupt such as int 0x80 or syscall to signal the kernel. x86-64 Linux syscall hello world example:
.data
hello_world:
.ascii "hello world\n"
hello_world_len = . - hello_world
.text
.global _start
_start:
/* write */
mov $1, %rax
mov $1, %rdi
mov $hello_world, %...
How can I Remove .DS_Store files from a Git repository?
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It's really trivial, but using -exec will launch git-rm once for every .DS_Store file, while xargs will put all the paths on one command line. Mostly I prefer xargs because I don't have to worry about escaping a lot of special characters.
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How can I find script's directory with Python? [duplicate]
... __file__ is a module variable that is only created when a script is being executed -> This variable represents the location of the script. An interpreter isn't being run from a file, so it can't have such a variable.
– Zizouz212
Jan 21 '16 at 2:52
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Compiling Java 7 code via Maven
...ollows:
ls -l /System/Library/Frameworks/JavaVM.framework/Versions/
total 64
lrwxr-xr-x 1 root wheel 10 30 Oct 16:18 1.4 -> CurrentJDK
lrwxr-xr-x 1 root wheel 10 30 Oct 16:18 1.4.2 -> CurrentJDK
lrwxr-xr-x 1 root wheel 10 30 Oct 16:18 1.5 -> CurrentJDK
lrwxr-xr-x 1 root wheel...
PostgreSQL: How to pass parameters from command line?
... I hoped to find that variables set with -v would be available to commands executed with -c, but, alas they are not. In other words, psql -v v1=12 -v v2="'Hello World'" -v v3="'2010-11-12'" -c 'select * from table_1 where id = :v1;' will generate a syntax error. However, if bash is your shell,...
How can I randomize the lines in a file using standard tools on Red Hat Linux?
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edited Aug 21 '18 at 5:32
s g
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answered Feb 10...
Is there a way to use SVG as content in a pseudo element :before or :after
...klopDerZyklop
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MediaHelper 媒体助手扩展：从媒体文件提取元数据和专辑封面 · App Inventor 2 中文网
...r 媒体助手扩展
介绍
此扩展是对 Android MediaMetadataRetriever 类的包装，能够从媒体文件中提取元数据，包括来自本地物理文件和流媒体文件（如 https://...mp3）。
主要功能
从本地...
git rebase: “error: cannot stat 'file': Permission denied”
...cess that blocks those files.
Open task manager and end process TGitCache.exe.
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Is cout synchronized/thread-safe?
...evel of individual bytes. Thus, cout << "ab"; and cout << "cd" executed in different threads may output acdb, for example, but may not cause Undefined Behaviour.
– JohannesD
Jun 16 '11 at 18:31
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