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What is the reason for performing a double fork when creating a daemon?
...
This tells us that if a daemon process does something like this ...
int fd = open("/dev/console", O_RDWR);
... then the daemon process might acquire /dev/console as its controlling terminal, depending on whether the daemon process is a session leader, and depending on the system implementation....
With bash, how can I pipe standard error into another process?
...re rather than just 1>&2? I don't understand why we'd want to close fd 2, if we're just going to reopen/reassign it immediately.
– dubiousjim
Oct 20 '12 at 12:00
1
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Color in git-log
... (gitster), 13 May 2015.
(Merged by Junio C Hamano -- gitster -- in commit fd70780, 22 May 2015)
log: do not shorten decoration names too early
The "log --decorate" enhancement in Git 2.4 that shows the commit at the tip of the current branch e.g. "HEAD -> master", did not work with --de...
Excel RTD(Excel Real-Time Data)实时刷新数据技术 - C/C++ - 清泛网 - 专注C/C++及内核技术
...该属性唯一标识改RTD函数。
[Guid("0A5F2820-C34E-4EF5-9110-F66B2A7796C0")]
[ProgId("YYRTD.Stock")]
[ClassInterface(ClassInterfaceType.AutoDual)]
[ComVisible(true)]
public class FinancialRtd : IRtdServer
{
private IRTDUpdateEvent xlRTDUpdate;
private Timer tmrTimer;
pr...
Use CSS3 transitions with gradient backgrounds
...y: https://medium.com/@dave_lunny/animating-css-gradients-using-only-css-d2fd7671e759
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Find which commit is currently checked out in Git
...with the -s option to suppress patch output:
$ git show --oneline -s
a9874fd Merge branch 'epic-feature'
Option 2: git log -1
You can also simply do git log -1 to find out which commit you're currently on.
$ git log -1 --oneline
c1abcde Add feature-003
Option 3: Bash prompt
In Git version 1....
CursorLoader usage without ContentProvider
...ample that uses this - bitbucket.org/ssutee/418496_mobileapp/src/fc5ee705a2fd/demo/… - found it very useful !
– Shushu
May 20 '12 at 21:17
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Build an iOS app without owning a mac? [closed]
...ge.exe modifyvm "Your VM Name" --cpuidset 00000001 000106e5 00100800 0098e3fd bfebfbff
VBoxManage setextradata "Your VM Name" "VBoxInternal/Devices/efi/0/Config/DmiSystemProduct" "iMac11,3"
VBoxManage setextradata "Your VM Name" "VBoxInternal/Devices/efi/0/Config/DmiSystemVersion" "1.0"
VBoxManage s...
What does “Could not find or load main class” mean?
...nt file or directory on the path that will be silently ignored.)
Reason #2a - the wrong directory is on the classpath
When you put a directory on the classpath, it notionally corresponds to the root of the qualified name space. Classes are located in the directory structure beneath that root, by...
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...