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How do I find the number of arguments passed to a Bash script?
...ash
echo "The number of arguments is: $#"
a=${@}
echo "The total length of all arguments is: ${#a}: "
count=0
for var in "$@"
do
echo "The length of argument '$var' is: ${#var}"
(( count++ ))
(( accum += ${#var} ))
done
echo "The counted number of arguments is: $count"
echo "The accumula...
Gradle build only one module
...ase Pipeline will fail on the Android build as it doesn't have the SDK installed, understandable for a transient machine. Also, it doesn't look like Release Pipelines offers any configuration options either.
– brunobowden
Nov 26 '14 at 23:59
...
What does a double * (splat) operator do
... the double splat operator which is available since Ruby 2.0.
It captures all keyword arguments (which can also be a simple hash, which was the idiomatic way to emulate keyword arguments before they became part of the Ruby language)
def my_method(**options)
puts options.inspect
end
my_method(ke...
pod install -bash: pod: command not found
I installed pod some time ago. However, it's stopped working so I'm working through this again.
21 Answers
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Where are the Properties.Settings.Default stored?
...
In order to work with newer versions of Windows' policy of only allowing read access by default to the Program Files folder (unless you prompt for elevation with UAC, but that's another topic...), your application will have a settings folder under %userprofile%\appdata\local or %userprofi...
Pushing app to heroku problem
...
For all the people who this does not work, check your ~/.heroku/credentials
If the email or token does not match the account, you won't see your apps.
sh...
Convert HttpPostedFileBase to byte[]
... Darin says, you can read from the input stream - but I'd avoid relying on all the data being available in a single go. If you're using .NET 4 this is simple:
MemoryStream target = new MemoryStream();
model.File.InputStream.CopyTo(target);
byte[] data = target.ToArray();
It's easy enough to write...
What is the difference between an expression and a statement in Python?
...s, where operators include arithmetic and boolean operators, the function call operator () the subscription operator [] and similar, and can be reduced to some kind of "value", which can be any Python object. Examples:
3 + 5
map(lambda x: x*x, range(10))
[a.x for a in some_iterable]
yield 7
Stat...
Block commenting in Ruby
...nd
=begin and =end must be at the beginning of the line (not indented at all).
Source
Also, in TextMate you can press Command + / to toggle regular comments on a highlighted block of code.
Source
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How to extract base URL from a string in JavaScript?
...[2]; I think Rafal's example just omitted the "http://" that is present in all of the strings that I'm processing, in which case the pathArray[2] is the one you need. Without the "http://" prefix, pathArray[0] would be the one. Thanks again.
– Bungle
Sep 14 '09...