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Does Python have a package/module management system?
...agement system, similar to how Ruby has rubygems where you can do gem install packagename ?
13 Answers
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How can I use NSError in my iPhone App?
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Well, what I usually do is have my methods that could error-out at runtime take a reference to a NSError pointer. If something does indeed go wrong in that method, I can populate the NSError reference with error data and return nil from the ...
Is there a “goto” statement in bash?
...atement in bash ? I know It is considered bad practice, but I need specifically "goto".
12 Answers
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Create a shortcut on Desktop
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This was really close for me. I needed to add the .exe's directory to the "WorkingDirectory" property on shortcut. (shortcut.WorkingDirectory) +1
– samuelesque
May 16 '14 at 19:11
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How to send file contents as body entity using cURL
...url --data-binary "@/path/to/filename" http://...
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curl will strip all newlines from the file. If you want to send the file with newlines intact, use --data-binary in place of --data
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If string is empty then return some default value
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ActiveSupport adds a presence method to all objects that returns its receiver if present? (the opposite of blank?), and nil otherwise.
Example:
host = config[:host].presence || 'localhost'
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Is it possible in SASS to inherit from a class in another file?
The question pretty much says it all.
4 Answers
4
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Weird “[]” after Java method signature
... Java platform, a declaration form
for a method that returns an array is allowed to place (some or all of) the empty
bracket pairs that form the declaration of the array type after the parameter list.
This is supported by the obsolescent production:
MethodDeclarator:
Meth...
Sass calculate percent minus px
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I would say that calc() does not at all work in most browsers. Mobile platforms are just as important as desktops.
– dalgard
Feb 7 '13 at 15:10
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Scala type programming resources
...programming, the computation occurs at compile time. I will try to draw parallels between programming at the value-level and programming at the type-level.
Paradigms
There are two main paradigms in type-level programming: "object-oriented" and "functional". Most examples linked to from here follow...