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“Use the new keyword if hiding was intended” warning
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answered Oct 5 '13 at 4:06
wdavowdavo
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Get week of year in JavaScript like in PHP
...uk/js-date6.htm#YWD. Please test thoroughly, no guarantee provided.
Edit 2017
There was an issue with dates during the period that daylight saving was observed and years where 1 Jan was Friday. Fixed by using all UTC methods. The following returns identical results to Moment.js.
/* For a give...
How to check for a valid Base64 encoded string
...e64 string, as it will only be composed of characters 'A'..'Z', 'a'..'z', '0'..'9', '+', '/' and it is often padded at the end with up to three '=', to make the length a multiple of 4. But instead of comparing these, you'd be better off ignoring the exception, if it occurs.
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Crontab - Run in directory
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answered Jan 17 '12 at 18:40
Gilles 'SO- stop being evil'Gilles 'SO- stop being evil'
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How to add lines to end of file on Linux
...t"' >> /etc/sysconfig/configfile
echo 'VNCSERVERARGS[1]="-geometry 1600x1200"' >> /etc/sysconfig/configfile
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App Inventor 2 UDP网络通信教程 - 发送和接收UDP数据包 · App Inventor 2 中文网
...（需根据实际网段计算）
组播地址
224.0.0.0 ~ 239.255.255.255
发送到加入同一组播组的设备
UDP 端口
端口号范围为 0 ~ 65535：
0 ~ 1023：系统保留端口（如 80 = HTTP，443 = HTTPS）
1024 ~ 4915...
How do I modify a MySQL column to allow NULL?
MySQL 5.0.45
6 Answers
6
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Alter Table Add Column Syntax
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edited Apr 27 '09 at 17:02
Eoin Campbell
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How to handle multiple heterogeneous inputs with Logstash?
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Adam Michalik
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answered Dec 13 '13 at 8:24
Ben LimBen Lim
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Grasping the Node JS alternative to multithreading
...a problem).
– wbyoung
Mar 5 '14 at 20:05
so we can do other proses using callback like javascript code on frontend
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