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Finding the average of a list
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On Python 3.4+ you can use statistics.mean()
l = [15, 18, 2, 36, 12, 78, 5, 6, 9]
import statistics
statistics.mean(l) # 20.11111111111111
On older versions of Python you can do
sum(l) / len(l)
On Python 2 you need to convert len...
Why am I getting ibtool failed with exit code 255?
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I had something similar happen to me recently using Xcode 4.6 and iOS 6.1.
All I did was switch to a different device version (5.1) on the simulator and it ran. Switched back to 6.1 and it fixed itself.
Xcode can be unhelpful at times.
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Rails: fields_for with index?
... many years ago, for a modern approach see:
https://stackoverflow.com/a/22640703/105403
This would actually be a better approach, following Rails documentation more closely:
<% @questions.each.with_index do |question,index| %>
<% f.fields_for :questions, question do |fq| %>
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JavaScript editor within Eclipse [closed]
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answered Aug 24 '08 at 15:52
BillSaysThisBillSaysThis
59233 silver badges1414 bronze badges
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Why should eval be avoided in Bash, and what should I use instead?
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# 1 -> "$1\n"
# 2 -> "$2"
# 3 -> "$3"
# 4 -> "$4"
# etc.
printf "$1\n" "${@:2}"
}
function error
{
# Send the first element as one argument, and the rest of the elements as a combined argument.
# Arguments to println:
# 1 -> '\e[31mE...
How do you make an array of structs in C?
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answered May 6 '12 at 4:47
nimsnims
3,23111 gold badge2020 silver badges2626 bronze badges
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RuntimeException: Unable to instantiate application
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194
This is a verbose error message raised by underlying framework when dalvik re-install .apk file ...
Converting any string into camel case
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answered Jun 4 '10 at 0:03
Christian C. SalvadóChristian C. Salvadó
688k171171 gold badges886886 silver badges826826 bronze badges
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How to POST JSON Data With PHP cURL?
...phen M. HarrisStephen M. Harris
5,25222 gold badges3434 silver badges4242 bronze badges
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What is the exact problem with multiple inheritance?
...pe of object. Something like this:
class A:
at offset 0 ... "abc" ... 4 byte int field
at offset 4 ... "xyz" ... 8 byte double field
at offset 12 ... "speak" ... 4 byte function pointer
class B:
at offset 0 ... "foo" ... 2 byte short field
at offset 2 ... 2 bytes of alignment p...