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What's the _ underscore representative of in Swift References?
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Swift gives the first parameter name in a method a local parameter name by default, and gives the second and subsequent parameter names both local and external parameter names by default.
On the other hand, functions by default don't have external parameter names.
For example, we have this foo...
Brew update failed: untracked working tree files would be overwritten by merge
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you might want to do also git add . followed by git stash :P
– mkk
Feb 28 '14 at 16:30
W...
Is Big O(logn) log base e?
... With a lowercase 'l' in log, does this imply log base e (n) as described by the natural logarithm? Sorry for the simple question but I've always had trouble distinguishing between the different implied logarithms.
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How to concatenate text from multiple rows into a single text string in SQL server?
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WHERE ST1.SubjectID = ST2.SubjectID
ORDER BY ST1.SubjectID
FOR XML PATH ('')
) [Students]
FROM dbo.Students ST2
) [Main]
You can do the same thing in a more compact way if you can concat the commas at the beginning and use su...
Resize UIImage by keeping Aspect ratio and width
I seen in many posts for resizing the image by keeping aspect ratio. These functions uses the fixed points(Width and Height) for RECT while resizing. But in my project, I need to resize the view based on the Width alone, Height should be taken automatically based on the aspect ratio.
anyone help me ...
Correct way to define Python source code encoding
...on are
# -*- coding: <encoding-name> -*-
which is recognized also by GNU Emacs, and
# vim:fileencoding=<encoding-name>
which is recognized by Bram Moolenaar’s VIM."
So, you can put pretty much anything before the "coding" part, but stick to "coding" (with no prefix) if you want ...
What are the default access modifiers in C#?
... sealed. Struct members
introduced in a struct (that is, not
inherited by that struct) cannot have
protected or protected internal
declared accessibility. (Note that a
type declared as a member of a struct
can have public, internal, or private
declared accessibility, whereas a type
d...
Why do we copy then move?
...re I answer your questions, one thing you seem to be getting wrong: taking by value in C++11 does not always mean copying. If an rvalue is passed, that will be moved (provided a viable move constructor exists) rather than being copied. And std::string does have a move constructor.
Unlike in C++03, ...
ContextLoaderListener or not?
A standard spring web application (created by Roo or "Spring MVC Project" Template) create a web.xml with ContextLoaderListener and DispatcherServlet . Why do they not only use the DispatcherServlet and make it to load the complete configuration?
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How to generate a git patch for a specific commit?
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This command (as suggested already by @Naftuli Tzvi Kay):
git format-patch -1 HEAD
Replace HEAD with specific hash or range.
will generate the patch file for the latest commit formatted to resemble UNIX mailbox format.
-<n> - Prepare patches from...