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How do I prevent commands from showing up in Bash history?
...L.
See also:
Why is bash not storing commands that start with spaces? at unix SE
Why does bash have a HISTCONTROL=ignorespace option? at unix SE
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How to specify in crontab by what user to run script? [closed]
...Ubuntu. There are also alternatives to runuser as discussed in this answer unix.stackexchange.com/questions/169441/ubuntu-runuser-command , e.g. su, and sudo.
– Russell E Glaue
Jul 26 '16 at 19:28
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How to remove line breaks from a file in Java?
...oes not cope with the case where you are trying to process (for example) a UNIX file on Windows, or vice versa.
// #3
text = text.replaceAll("\\r|\\n", "");
Removes all Windows, UNIX or Mac line terminators. However, if the input file is text, this will concatenate words; e.g.
Goodbye cruel
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How do I use format() on a moment.js duration?
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var diff = moment(end).unix() - moment(start).unix();
moment.utc(moment.duration(diff).asMilliseconds()).format("HH:mm:ss.SSS");
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Get current date/time in seconds
...ontrived - but I'll take a shot :) Suppose you have data time stamped with unix time, and want to determine it's age. More though I think this is what is most likely meant by 'the current date/time in seconds'; just my gut feeling.
– sje397
Sep 30 '10 at 12:10
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【BLE技术内幕】BLE技术揭秘 - 创客硬件开发 - 清泛IT论坛，有思想、有深度
...收到广播包时，协议栈将向上层（也就是应用层，用户可编程）传递广播包。主动扫描，主动扫描除了完成被动扫描的动作外，还会向从机发送一个扫描请求，从机收到该请求时，会再次发送一个称作扫描回应的广播包。
所以...
kill -3 to get java thread dump
I am using kill -3 command to see the JVM's thread dump in unix. But where can I find the output of this kill command? I am lost!!
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How to include jar files with java file and compile in command prompt
...java worked for me. I was using mac. I read somewhere that ':' is used for unix.
– Sri
May 25 '16 at 5:01
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Google Authenticator available as a public service?
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Google Authenticator generates a 6 digit code by from a SHA1-HMAC of the Unix time and the secret (lots more detail on this in the RFC)
The server also knows the secret / unix time to verify the 6-digit code.
I've had a play implementing the algorithm in javascript here: http://blog.tinisles.com...
Emacs in Windows
...ther as a command-line app (which happens to start a GUI). Windows, unlike Unix, distinguishes between these two things.
– Donal Fellows
Aug 24 '11 at 16:31
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