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What are carriage return, linefeed, and form feed?
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Carriage return means to return to the beginning of the current line without advancing downward. The name comes from a printer's carriage, as monitors were rare when the name was coined. This is commonly escaped as \r, abbreviated CR, and has ASCII value 13 or 0x0D.
Linefeed means to advance...
Vagrant ssh authentication failure
The problem with ssh authentication:
29 Answers
29
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Vertically centering a div inside another div [duplicate]
...ours is the safer way to go for those. But since you tagged your question with CSS3 and HTML5 I was thinking that you don't mind using a modern solution.
The classic solution (table layout)
This was my original answer. It still works fine and is the solution with the widest support. Table-layout w...
Is cout synchronized/thread-safe?
In general I assume that streams are not synchronized, it is up to the user to do appropriate locking. However, do things like cout get special treatment in the standard library?
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Generating v5 UUID. What is name and namespace?
... 3 or type 5 UUID is generated by hashing together a namespace identifier with a name. Type 3 UUIDs use MD5 and type 5 UUIDs use SHA1. Only 128-bits are available and 5 bits are used to specify the type, so all of the hash bits don't make it into the UUID. (Also MD5 is considered cryptographically b...
Sorting an array of objects by property values
...follow
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edited Jun 18 at 18:45
Abhishek
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Java: is there a map function?
...m(Collection<E>, Function<E,E2>)
method provides the functionality you require.
Example:
// example, converts a collection of integers to their
// hexadecimal string representations
final Collection<Integer> input = Arrays.asList(10, 20, 30, 40, 50);
final Collection<String>...
How to convert QString to std::string?
...ncoded while std::string... May have any encodings.
So the best would be either:
QString qs;
// Either this if you use UTF-8 anywhere
std::string utf8_text = qs.toUtf8().constData();
// or this if you're on Windows :-)
std::string current_locale_text = qs.toLocal8Bit().constData();
The suggest...
Why doesn't Haskell's Prelude.read return a Maybe?
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Edit: As of GHC 7.6, readMaybe is available in the Text.Read module in the base package, along with readEither: http://hackage.haskell.org/packages/archive/base/latest/doc/html/Text-Read.html#v:readMaybe
Great question! The ...
Longest line in a file
...r a simple way to find the length of the longest line in a file. Ideally, it would be a simple bash shell command instead of a script.
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