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Where did the name `atoi` come from?
...ble finding any official source on it... but in this listing of man pages from Third Edition Unix (1973) collected by Dennis Ritchie himself, it does contain the line:
atoi(III): convert ASCII to integer
In fact, even the first edition Unix (ca 1971) man pages list atoi as meaning Ascii to I...
How to use redis PUBLISH/SUBSCRIBE with nodejs to notify clients when data values change?
...uses express, socket.io, node_redis and last but not least the sample code from media fire.
Install node.js+npm(as non root)
First you should(if you have not done this yet) install node.js+npm in 30 seconds (the right way because you should NOT run npm as root):
echo 'export PATH=$HOME/local/bin:...
Collections.emptyMap() vs new HashMap()
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From Effective Java, Item #43 - "Return empty arrays or collections, not null" demonstrates returning an empty collection and perhaps even demonstrates using these emptyList(), emptySet(), and emptyMap() methods on the Colle...
Error when deploying an artifact in Nexus
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Saved my day... I removed the -SNAPSHOT word from version in pom.xml, that is why its not able to deploy on to nexus... I added the SNAPSHOT word back , and it worked ..
– venugopal
Nov 2 '16 at 18:39
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What is (functional) reactive programming?
...you want to get a feel for FRP, you could start with the old Fran tutorial from 1998, which has animated illustrations. For papers, start with Functional Reactive Animation and then follow up on links on the publications link on my home page and the FRP link on the Haskell wiki.
Personally, I like...
What is a Python equivalent of PHP's var_dump()? [duplicate]
...the pprint module. The easiest way to dump all variables with it is to do
from pprint import pprint
pprint(globals())
pprint(locals())
If you are running in CGI, a useful debugging feature is the cgitb module, which displays the value of local variables as part of the traceback.
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Remove CSS class from element with JavaScript (no jQuery) [duplicate]
Could anyone let me know how to remove a class on an element using JavaScript only?
Please do not give me an answer with jQuery as I can't use it, and I don't know anything about it.
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Using python map and other functional tools
...ot to pass bars through the different functions, but to access it directly from maptest:
foos = [1.0,2.0,3.0,4.0,5.0]
bars = [1,2,3]
def maptest(foo):
print foo, bars
map(maptest, foos)
With your original maptest function you could also use a lambda function in map:
map((lambda foo: maptes...
Generate random numbers following a normal distribution in C/C++
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There are many methods to generate Gaussian-distributed numbers from a regular RNG.
The Box-Muller transform is commonly used. It correctly produces values with a normal distribution. The math is easy. You generate two (uniform) random numbers, and by applying an formula to them, you ...
How do I get a value of datetime.today() in Python that is “timezone aware”?
I am trying to subtract one date value from the value of datetime.today() to calculate how long ago something was. But it complains:
...