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Trying to SSH into an Amazon Ec2 instance - permission error

... The error message says it all: the .pem cert file is not protected enough. Do chmod 400 xyz.pem as suggested below. – allprog Oct 31 '12 at 22:06 ...
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How can I wait In Node.js (JavaScript)? l need to pause for a period of time

... answered Jan 31 '17 at 12:05 Aminadav GlickshteinAminadav Glickshtein 14.6k1010 gold badges5252 silver badges9595 bronze badges ...
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Graph Algorithm To Find All Connections Between Two Arbitrary Vertices

... have deep graph (A->B->C->...->N) you could have StackOverflowError in java. – Rrr Aug 15 '12 at 20:23 1 ...
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How to print the ld(linker) search path

...manually installed libraries in /usr/local/.. which causes missing library error, and linking fails. I have to rename /usr/local everytime to exclude that search path. Is there a simple way to exclude or override /usr/local path? – kenn Sep 8 '14 at 10:09 ...
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How do I download a tarball from GitHub using cURL?

...temporary problem right now, but github is returning a 500 internal server error for this at the moment. – B T Oct 29 '13 at 21:15 15 ...
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How can I use numpy.correlate to do autocorrelation?

...mode='full') return result[result.size/2:] You will, of course, need error checking to make sure that x is actually a 1-d array. Also, this explanation probably isn't the most mathematically rigorous. I've been throwing around infinities because the definition of convolution uses them, but tha...
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How do you run a crontab in Cygwin on Windows?

...r.constant.com -P %package_name% Ensure the installer does not throw any errors in the prompt ... If it has - you probably have some cygwin binaries running or you are not an Windows admin, or some freaky bug ... Now in cmd promt: C:\cygwin64\bin\cygrunsrv.exe -I cron -p /usr/sbin/cron -a -D ...
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How to format a number as percentage in R?

...ng "x" with "percent(x)" in a statistical or graphing command produces an error message. – rolando2 Jul 20 '14 at 18:31 ...
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.trim() in JavaScript not working in IE

... in one of my JavaScript programs. It's working fine under Mozilla, but an error displays when I try it in IE8. Does anyone know what is going on here? Is there anyway I can make it work in IE? ...
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Why am I getting “undefined reference to sqrt” error even though I include math.h header? [duplicate

... This is a likely a linker error. Add the -lm switch to specify that you want to link against the standard C math library (libm) which has the definition for those functions (the header just has the declaration for them - worth looking up the differenc...