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printf with std::string?
My understanding is that string is a member of the std namespace, so why does the following occur?
7 Answers
...
What is JavaScript garbage collection?
...called a "scavenger". A scavenger
may refer to a number, an object, a
string, whatever. We maintain a list
of scavengers -- variables are moved
on to the scav list when they come
into scope and off the scav list when
they go out of scope.
Every now and then the garbage
collector ru...
When to use ref and when it is not necessary in C#
...ltiple return values create structs'). Take for example IPAddress.TryParse(string, out IPAddress).
– Swen Kooij
Dec 6 '13 at 21:47
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How does #include work in C++? [duplicate]
... words it's perfectly legal for an implementation to declare the name std::string directly or indirectly when using #include <vector>).
Despite this however you are required by the language to know and tell the compiler which standard header includes which part of the standard library. This i...
What is “rvalue reference for *this”?
... within this heterogeneous set, a member function is considered to have an extra parameter, called the implicit object parameter, which represents the object for which the member function has been called. [...]
p3 Similarly, when appropriate, the context can construct an argument list that contains ...
When is the @JsonProperty property used and what is it used for?
...er-case letter.
public class Parameter {
@JsonProperty("Name")
public String name;
@JsonProperty("Value")
public String value;
}
This correctly parses to/from the JSON:
"Parameter":{
"Name":"Parameter-Name",
"Value":"Parameter-Value"
}
...
Difference between HashMap, LinkedHashMap and TreeMap
...
private TreeMap<String ,Integer> mySection2 = new TreeMap<>(); mySection2.put("abc1", 2); mySection2.put("abc2",5); mySection2.put("abc3",3); ...
Difference between .on('click') vs .click()
...ar shortcut methods for "keyup", "focus", etc.)
The reason I'm posting an extra answer is to mention what happens if you call .click() with no parameters:
$("#whatever").click();
// is a shortcut for
$("#whatever").trigger("click");
Noting that if you use .trigger() directly you can also pass ex...
How to simplify a null-safe compareTo() implementation?
...
Using Java 8:
private static Comparator<String> nullSafeStringComparator = Comparator
.nullsFirst(String::compareToIgnoreCase);
private static Comparator<Metadata> metadataComparator = Comparator
.comparing(Metadata::getName, nullSafeStri...
Why does the is operator return false when given null?
...
I think null is string returning false is very intuitive. Null means nothing, and it is definitely not a string. So it should return false. While it is a choice the language designers made, it is a very intuitive one when you consider the re...