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Android and XMPP: Currently available solutions [closed]
...ompatibility reasons: stackoverflow.com/questions/23506658/begginer-asmack-error
– realjin
Aug 3 '14 at 13:02
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No appenders could be found for logger(log4j)?
...ate to the folder that contains your log4j.properties file
Apply
Run
The error message should no longer appear.
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How do you manage databases in development, test, and production?
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edited Aug 12 '11 at 23:05
answered Aug 8 '08 at 21:01
La...
How to wait for a keypress in R?
...hod is that if you type something that is not a number, it will display an error.
print ("Press [enter] to continue")
number <- scan(n=1)
Wrapping into a function:
readkey <- function()
{
cat("[press [enter] to continue]")
number <- scan(n=1)
}
Method 3
Imagine you want to wa...
Re-enabling window.alert in Chrome
I accidently checked the "disable alerts from this site" box in Chrome, and now I cannot get any window.alert to work on my localhost.
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常用Linux命令详解（持续更新） - 更多技术 - 清泛网 - 专注C/C++及内核技术
常用Linux命令详解（持续更新）对我们日常工作中经常会用到的一些Linux命令进行一下详解。logout,shutdown,reboot,useradd,passwd,ls,ll,cd,mkdir,vi,cp,rm,mv,chmod,chown,find,grep,tail,tar,gzip,fdisk,kill,netstat等。一、注销，关机，重启，新建用户、删除...
Sublime Text 2 keyboard shortcut to open file in specified browser (e.g. Chrome)
... @NeilMonroe Activate logging commands in the console to see possible errors sublime.log_commands(True)
– aanton
Oct 21 '14 at 9:56
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s...
Way to go from recursion to iteration
...).
– mydoghasworms
Jun 25 '15 at 10:05
1
@mydoghasworms - Returning to this question after so lon...
Change multiple files
The following command is correctly changing the contents of 2 files.
9 Answers
9
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Why is reading lines from stdin much slower in C++ than Python?
I wanted to compare reading lines of string input from stdin using Python and C++ and was shocked to see my C++ code run an order of magnitude slower than the equivalent Python code. Since my C++ is rusty and I'm not yet an expert Pythonista, please tell me if I'm doing something wrong or if I'm mis...