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socket.emit() vs. socket.send()
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TL;DR:
socket.send(data, callback) is essentially equivalent to calling socket.emit('message', JSON.stringify(data), callback)
Without looking at the source code, I would assume that the send function is more efficient edit: for sending string messa...
How does this checkbox recaptcha work and how can I use it?
...And I also found this: http://jaswsinc.com/recaptcha-ads/ Apparently they did an invite-only beta of their "no CAPTCHA reCAPTCHA" So.... You probably won't be able to make it work on your site, yet. I can't find any information on opting into the beta, but if you search for "No CAPTCHA reCAPTCHA bet...
Finding the author of a line of code in Mercurial
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CVS called it annotate. In SVN, the primary for the command is blame, although annotate and praise are available as aliases.
– djc
May 26 '13 at 19:38
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Python 2.7: Print to File
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In Python 3.0+, print is a function, which you'd call with print(...). In earlier version, print is a statement, which you'd make with print ....
To print to a file in Python earlier than 3.0, you'd do:
print >> f, 'what ever %d', i
The >> operator directs p...
How to stop text from taking up more than 1 line?
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There is also a proprietary ie attribute called word-wrap (IIRC)... stupid IE.
– garrow
Feb 23 '09 at 13:55
22
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Why use Dijkstra's Algorithm if Breadth First Search (BFS) can do the same thing faster?
... from your source to every node in the traversed graph.
Meanwhile BFS basically just expands the search by one “step” (link, edge, whatever you want to call it in your application) on every iteration, which happens to have the effect of finding the smallest number of steps it takes to get to an...
Why is this F# code so slow?
...line works like a C++ template, which would specialize to int based on the call site.
– Brian
May 24 '11 at 0:08
13
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How to say “should_receive” more times in RSpec
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@JaredBeck pointed out. The solution didn't work for me on any_instance call.
For any instance i ended up using stub instead of should_receive.
Project.any_instance.stub(:some_method).and_return("value")
This will work for any no. of times though.
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“Use the new keyword if hiding was intended” warning
...and this base class also has a property (which is not virtual or abstract) called Events which is being overridden by your class. If you intend to override it put the "new" keyword after the public modifier. E.G.
public new EventsDataTable Events
{
..
}
If you don't wish to override it change y...
What is RSS and VSZ in Linux memory management
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I believe RSS does include memory from dynamically linked libraries. If there are 3 processes using libxml2.so, the shared library will be counted in each of their RSS, so the sum of their RSS will be more than the actual memory used.
– nfm
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