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Creating a daemon in Linux
...rocess. On Linux, this is best implemented by iterating through /proc/self/fd, with a fallback of iterating from file descriptor 3 to the value returned by getrlimit() for RLIMIT_NOFILE.
Reset all signal handlers to their default. This is best done by iterating through the available signals up to ...
Multiple constructors in python? [duplicate]
...le, but I hope you get the idea:
class C(object):
def __init__(self, fd):
# Assume fd is a file-like object.
self.fd = fd
@classmethod
def fromfilename(cls, name):
return cls(open(name, 'rb'))
# Now you can do:
c = C(fd)
# or:
c = C.fromfilename('a filename')
...
How to display request headers with command line curl
.../dev/null google.de
Results in:
* Rebuilt URL to: google.de/
* Trying 2a00:1450:4008:802::2003...
* Connected to google.de (2a00:1450:4008:802::2003) port 80 (#0)
> GET / HTTP/1.1
> Host: google.de
> User-Agent: curl/7.43.0
> Accept: */*
>
< HTTP/1.1 301 Moved Permanently
<...
Have nginx access_log and error_log log to STDOUT and STDERR of master process
... access_log /dev/stdout;
...
}
edit: May need to run ln -sf /proc/self/fd /dev/ if using running certain docker containers, then use /dev/fd/1 or /dev/fd/2
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Python, Unicode, and the Windows console
... Japanese and Chinese characters just fine in IDLE by default. Try print('\u4E01'), print('\u6b63')).
– jfs
Jan 13 '17 at 21:14
...
Random number generation in C++11: how to generate, how does it work? [closed]
...nd you had this distribution of numbers:
1: 1%
2: 80%
3: 5%
4: 5%
5: 9%
2 is generated FAR more often than any other number, so it is more likely to be produced than other numbers. If all numbers were equally like you would have a 20% chance of getting each number every time. To say it ano...
Changing iframe src with Javascript
...lection" type="radio" onclick="go('http://calendar.zoho.com/embed/9a6054c98fd2ad4047021cff76fee38773c34a35234fa42d426b9510864356a68cabcad57cbbb1a0?title=Kevin_Calendar&type=1&l=en&tz=America/Los_Angeles&sh=[0,0]&v=1')"/><label for="day">Day</label>
I would also r...
How to make a background 20% transparent on Android
...e first 2 characters in the color definition:
#99000000
100% — FF
99% — FC
98% — FA
97% — F7
96% — F5
95% — F2
94% — F0
93% — ED
92% — EB
91% — E8
90% — E6
89% — E3
88% — E0
87% — DE
86% — DB
85% — D9
84% — D6
83% — D4
82% — D1
81% — CF
80% — CC
79% ...
How can I find the data structure that represents mine layout of Minesweeper in memory?
... lea eax, (MineField?+1)[eax+ecx]
.text:01002F23
.text:01002F2A
.text:01002F2A loc_1002F2A: ; CODE XREF: sub_1002ED5+62j
.text:01002F2A sub edx, 20h
.text:01002F2D sub eax, 20h
.text:01002F30 dec esi...
Linux 进程卡住了怎么办？ - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...end+0x27/0x30
[<ffffffff81331b3f>] fuse_flush+0x17f/0x200
[<ffffffff81218fd2>] filp_close+0x32/0x80
[<ffffffff8123ac53>] __close_fd+0xa3/0xd0
[<ffffffff81219043>] SyS_close+0x23/0x50
[<ffffffff8186281b>] entry_SYSCALL_64_fastpath+0x22/0xcb
[<ffffffffffffffff>] 0xffffffffffffffff
怎么卡...