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Node.js: Difference between req.query[] and req.params
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edited Mar 24 '17 at 16:33
answered Jan 19 '13 at 19:37
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Prevent errors from breaking / crashing gulp watch
...ails of the error in the console
console.log(error.toString())
this.emit('end')
}
I think you have to bind this function on the error event of the task that was falling, not the watch task, because that's not where comes the problem, you should set this error callback on each task that may fa...
Hexadecimal To Decimal in Shell Script
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To convert from hex to decimal, there are many ways to do it in the shell or with an external program:
With bash:
$ echo $((16#FF))
255
with bc:
$ echo "ibase=16; FF" | bc
255
with perl:
$ perl -le 'print hex("FF");'
255
with printf :
$ printf "%d\n" 0xFF
255
with pytho...
Matplotlib scatterplot; colour as a function of a third variable
... the points are shaded according to a third variable. I've got very close with this:
3 Answers
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How do I sort an array of hashes by a value in the hash?
...by has sort! for in-place sorting, but there's no in-place variant for sort_by in Ruby 1.8. In practice, you can do:
sorted = sort_me.sort_by { |k| k["value"] }
puts sorted
As of Ruby 1.9+, .sort_by! is available for in-place sorting:
sort_me.sort_by! { |k| k["value"]}
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Python strptime() and timezones?
...o time.strptime doesn't work but if you strip off the " %Z" and the " EST" it does work. Also using "UTC" or "GMT" instead of "EST" works. "PST" and "MEZ" don't work. Puzzling.
It's worth noting this has been updated as of version 3.2 and the same documentation now also states the following:
Wh...
Getting the count of unique values in a column in bash
I have tab delimited files with several columns. I want to count the frequency of occurrence of the different values in a column for all the files in a folder and sort them in decreasing order of count (highest count first). How would I accomplish this in a Linux command line environment?
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Enabling auto layout in iOS 6 while remaining backwards compatible with iOS 5
...age of the new auto layout features of iOS 6 while still providing compability with older devices on earlier versions of iOS?
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How to bind RadioButtons to an enum?
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edited Nov 9 '09 at 9:30
David Schmitt
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Do HTML WebSockets maintain an open connection for each client? Does this scale?
I am curious if anyone has any information about the scalability of HTML WebSockets. For everything I've read it appears that every client will maintain an open line of communication with the server. I'm just wondering how that scales and how many open WebSocket connections a server can handle. Mayb...