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What is the Sign Off feature in Git for?
...ficient. I might have written a patch, but if I based it on some code from Unix, I wouldn't have permission to release it under the GPL (at least without signoff from someone higher up). Or, a patch may make it between several different maintainers before winding up in the kernel tree; the signoff i...
What do 'real', 'user' and 'sys' mean in the output of time(1)?
... by the original poster shows.
A brief primer on Kernel vs. User mode
On Unix, or any protected-memory operating system, 'Kernel' or 'Supervisor' mode refers to a privileged mode that the CPU can operate in. Certain privileged actions that could affect security or stability can only be done when ...
Secure hash and salt for PHP passwords
...er than bcrypt in time, but it hasn't seen adoption as a standard by Linux/Unix or by webservers, and hasn't had in-depth reviews of its algorithm posted yet. But still, the future of the algorithm does look promising. If you are working with Ruby there is an scrypt gem that will help you out, and N...
Microsecond timing in JavaScript
... The exception is that Date and now() times don't mix, as Date is based on unix-epoch (the number of milliseconds since 1970), while now() is the number of milliseconds since your page navigation started (so it will be much smaller than Date).
now() is supported in Chrome stable, Firefox 15+, and I...
How to make a SIMPLE C++ Makefile
...
Since this is for Unix, the executables don't have any extensions.
One thing to note is that root-config is a utility which provides the right compilation and linking flags; and the right libraries for building applications against root. That...
std::wstring VS std::string
...e it, because it is rather limited to a rather unspecific target platform (unixoid systems...). Its windows port is based on external win2unix-layer, and there IMHO is no OSX-compatibility-layer at all. All this stuff is directing clearly into a wrong direction, at least for my code (on this arch le...
不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... GNU 通用公共许可协议，可以运行于 Linux 以及其他一些 Unix 变体操作系统上。Zebra 是那些系统最新的发行版本中的路由软件。最新版本的 Zebra 以及文档可以从 GNU Zebra 网站上下载：http://www.zebra.org/ Zebra ;的设计独特，采用模块的...
Recommended way of making React component/div draggable
...ing or two about software engineering...) I've read "those who don't know unix are doomed to reimplement it... poorly," and I feel something similar may hold true for many of your creations (including this one).
– Nathan Chappell
14 hours ago
...
How to create a video from images with FFmpeg?
...Extended_Mix%29.ogg
cd ..
# Convert all to PNG for consistency.
# https://unix.stackexchange.com/questions/29869/converting-multiple-image-files-from-jpeg-to-pdf-format
# Hardlink the ones that are already PNG.
mkdir -p png
mogrify -format png -path png orig/*.jpg
ln -P orig/*.png png
Now we have...
What happens when a computer program runs?
...
On POSIX boxes, it's going to say:
The stack is above the heap
The UNIX memory model is quite well explained here by @Sdaz MacSkibbons, so I won't reiterate that here. But that is not the only memory model. The reason POSIX requires this model is the sbrk system call. Basically, on a POSIX b...