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Shell command to sum integers, one per line?

... just used this for a: count all documents’ pages script: ls $@ | xargs -i pdftk {} dump_data | grep NumberOfPages | awk '{s+=$2} END {print s}' – flying sheep Jul 10 '13 at 14:42 ...
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Detect if a NumPy array contains at least one non-numeric value?

...the input could be a single float or numpy.float64 or even something oddball like a zero-dimensional array. 5 Answers ...
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Table Header Views in StoryBoards

...when I had moved the view out of the regular hierarchy first; I dragged it all the way to the bottom of the outline for that scene. Then, in a 2nd step, I could move it onto the table view. – Daniel Schneller Sep 23 '13 at 20:00 ...
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How to write LDAP query to test if user is member of a group?

...OU=yourOU,DC=yourcompany,DC=com))"; SearchResultCollection res = srch.FindAll(); if(res == null || res.Count <= 0) { Console.WriteLine("This user is *NOT* member of that group"); } else { Console.WriteLine("This user is INDEED a member of that group"); } Word of caution: this will onl...
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Is it valid to have a html form inside another html form?

...ible practice. You can do the exact same thing with less hassle submitting all the data to a PHP script and dividing and sending to their own destinations from there. Although, you did answer the question which is great, it's just a bad and pointless practice because you could do it the right way in...
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O(nlogn) Algorithm - Find three evenly spaced ones within binary string

... Finally! Following up leads in sdcvvc's answer, we have it: the O(n log n) algorithm for the problem! It is simple too, after you understand it. Those who guessed FFT were right. The problem: we are given a binary string S of l...
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Understanding implicit in Scala

..., which means the values will be taken from the context in which they are called. If there is no implicit value of the right type in scope, it will not compile. Since the implicit value must resolve to a single value and to avoid clashes, it's a good idea to make the type specific to its purpose, e....
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jquery-ui sortable | How to get it work on iPad/touchdevices?

... Tom, I have added following code to mouseProto._touchStart event: var time1Sec; var ifProceed = false, timerStart = false; mouseProto._touchStart = function (event) { var self = this; // Ignore the event if another widget is already being handled if (touchH...
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How to check if a process id (PID) exists

...process is not owned by the running user, you may not have permissions to call kill -0. Better to use ps -p $PID > /dev/null 2>&1, which allows you to see process status, even if you do not have permissions to send a signal. – mckoss Apr 1 '12 at 16:...
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Is ASCII code 7-bit or 8-bit?

...ans it can be fit into 7-bits. So can't it be argued that ASCII bit is actually 7-bit code? 6 Answers ...