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PHP array: count or sizeof?
... | 70401 | 50644 |
+-----------------+---------+----------+ (time in µs)
So I personally prefer to use count() instead of sizeof() with pre calc.
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Http长连接200万尝试及调优 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...144
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216
net.ipv4.tcp_rmem = 4096 4096 16777216
net.ipv4.tcp_wmem = 4096 4096 16777216
net.ipv4.tcp_mem = 786432 2097152 3145728
net.ipv4.tcp_max_syn_backlog = 16384
net.core.netdev_max_backlog = 20000
net.ipv4.tcp_fin_time...
How to Generate unique file names in C#
I have implemented an algorithm that will generate unique names for files that will save on hard drive. I'm appending DateTime : Hours,Minutes,Second and Milliseconds but still it generates duplicate name of files because im uploading multiple files at a time.
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Open Redis port for remote connections
...alls that might block the access.
Important: If you don't use a firewall (iptables, ufw..) to control who connects to the port in use, ANYONE can connect to this Redis instance. Without using Redis' AUTH that means anyone can access/change/delete your data. Be safe!
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How can I display an RTSP video stream in a web page?
I have an ip camera which provides a live RTSP video stream. I can use VLC media player to view the feed by providing it with the URL:
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Where should @Service annotation be kept? Interface or Implementation?
...nswered Feb 13 '18 at 19:13
François F.François F.
183
Most lightweight way to create a random string and a random hexadecimal number
.... %timeit '%030x' % randrange(16**30) gives 1000000 loops, best of 3: 1.61 µs per loop while %timeit '%0x' % getrandbits(30 * 4) gives 1000000 loops, best of 3: 396 ns per loop
– frmdstryr
Mar 28 '19 at 17:15
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Nginx Different Domains on Same IP
.... I tend to have one file per real domain. Each of which might contain multiple server blocks.
– aychedee
Jun 28 '13 at 15:19
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Get file name from URL
... edited Jan 24 '18 at 1:17
buræquete
12.5k44 gold badges3131 silver badges6262 bronze badges
answered Mar 3 '09 at 9:33
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Pandas convert dataframe to array of tuples
...d Apr 12 '19 at 3:22
Gustavo GonçalvesGustavo Gonçalves
23344 silver badges88 bronze badges
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