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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')
...
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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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
<...
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...
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
...
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% ...
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...
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...