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printf with std::string?
...riting C++, you generally want to avoid printf entirely -- it's a leftover from C that's rarely needed or useful in C++.
As to why you should use cout instead of printf, the reasons are numerous. Here's a sampling of a few of the most obvious:
As the question shows, printf isn't type-safe. If the...
Sort Dictionary by keys
...dictionary.keys).sorted(<) // ["A", "D", "Z"]
EDIT:
The sorted array from the above code contains keys only, while values have to be retrieved from the original dictionary. However, 'Dictionary' is also a 'CollectionType' of (key, value) pairs and we can use the global 'sorted' function to get...
Why are side-effects modeled as monads in Haskell?
...ring -> RealWorld -> ((), RealWorld)
We want to
get a filename from the console,
read that file, and
print that file's contents to the console.
How would we do it if we could access the real world states?
printFile :: RealWorld -> ((), RealWorld)
printFile world0 = let (filename, wor...
MVC DateTime binding with incorrect date format
...these will be culture aware however. There is a very good reason for this, from a localization perspective. Imagine that I have written a web application showing airline flight information that I publish online. I look up flights on a certain date by clicking on a link for that day (perhaps somethin...
Why JSF calls getters multiple times
... JSF managed bean action on page load
How and when should I load the model from database for h:dataTable
How to populate options of h:selectOneMenu from database?
Display dynamic image from database with p:graphicImage and StreamedContent
Defining and reusing an EL variable in JSF page
Measure the r...
How to escape double quotes in a title attribute
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Here's a snippet of the HTML escape characters taken from a cached page on archive.org:
&#060 | less than sign <
&#064 | at sign @
&#093 | right bracket ]
&#123 | left curly brace {
&#125 | right curl...
What is a bus error?
What does the "bus error" message mean, and how does it differ from a segfault?
15 Answers
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Should I always return IEnumerable instead of IList?
...rable<T> result is expecting an IList<T>, it will save the CLR from considering any conversions required, thus optimizing the compiled code.
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How to apply `git diff` patch without Git installed?
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The patch generated is for the changes from the branch/refspec indicated in the command to the current or active branch. In other words, you want git diff from_branch > patchfile; git checkout from_branch; git patch -p1 < patchfile or git diff from_branch to...
How to render an ASP.NET MVC view as a string?
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I think you might need to remove the "static" from the Razor version's method declaration, otherwise it can't find ControllerContext et al.
– Mike
Jan 14 '12 at 5:10
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