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The difference between fork(), vfork(), exec() and clone()
...six_spawn() does the equivalent of a fork()/execve(), and also allows some fd juggling in between. It's supposed to replace fork()/execve(), mainly for non-MMU platforms.
pthread_create() creates a new thread.
clone() is a Linux-specific call, which can be used to implement anything from fork() to p...
Difference between author and committer in Git?
...ttps://github.com/torvalds/linux/commit/5beda7d54eafece4c974cfa9fbb9f60fb18fd20a
Git web interfaces like GitHub and GitLab may or may not generate author != committer
Since Git(Hub|Lab) hold both the upstream and the fork repositories on a the same machine, they can automatically do anything that...
Expand a random range from 1–5 to 1–7
... number by generating its digits in base 5: we pick the random number 0.a1a2a3..., where each digit ai is chosen by a call to rand5(). For example, if our RNG chose ai = 1 for all i, then ignoring the fact that that isn't very random, that would correspond to the real number 1/5 + 1/52 + 1/53 + ......
Where do you store your salt strings?
... "password" is 5e88 4898 da28 0471 51d0 e56f 8dc6 2927 7360 3d0d 6aab bdd6 2a11 ef72 1d15 42d8.
After a salt is added, such as "badpassword" the new string to be hashed is "passwordbadpassword" which, due to the avalanche effect, dramatically changes the output, to 457b f8b5 37f1 802e f9c8 2e46 b8d3...
How do you change Background for a Button MouseOver in WPF?
.../p:Style>
<SolidColorBrush x:Key="Button.Static.Background" Color="#FFDDDDDD"/>
<SolidColorBrush x:Key="Button.Static.Border" Color="#FF707070"/>
<SolidColorBrush x:Key="Button.MouseOver.Background" Color="#FFBEE6FD"/>
<SolidColorBrush x:Key="Button.MouseOver.Border" Color="#...
Is it safe to parse a /proc/ file?
...
what about readdir atomicity? like reading /proc/self/fd ? is it safe?
– socketpair
Jan 16 '14 at 9:59
...
What are the differences between git remote prune, git prune, git fetch --prune, etc
..., so tread carefully: git branch -r | awk '{print $1}' | egrep -v -f /dev/fd/0 <(git branch -vv | grep origin) | awk '{print $1}'
– Jason Walton
Sep 11 '14 at 2:59
...
Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
... darken a hex color by a specific amount. Just pass in a string like "3F6D2A" for the color ( col ) and a base10 integer ( amt ) for the amount to lighten or darken. To darken, pass in a negative number (i.e. -20 ).
...
In Visual Studio C++, what are the memory allocation representations?
...ndows STOP Error code used when the user manually initiates the crash.
* 0xFDFDFDFD : Used by Microsoft's C++ debugging heap to mark "no man's land" guard bytes before and after allocated heap memory
* 0xFEEEFEEE : Used by Microsoft's HeapFree() to mark freed heap memory
...
How to configure an app to run correctly on a machine with a high DPI setting (e.g. 150%)?
...10 compatibility -->
<supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" />
</application>
</compatibility>
Enable per-monitor DPI awareness in the app.config file.
Windows Forms introduces a new System.Windows.Forms.ApplicationConfigurationSection element to suppo...