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How to implement a queue using two stacks?
...ter science.
Lets imagine our stack like a bottle as below;
If we push integers 1,2,3 respectively, then 3 will be on the top of the stack. Because 1 will be pushed first, then 2 will be put on the top of 1. Lastly, 3 will be put on the top of the stack and latest state of our stack represented ...
What and When to use Tuple? [duplicate]
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A tuple allows you to combine multiple values of possibly different types into a single object without having to create a custom class. This can be useful if you want to write a method that for example returns three related values but you don't want to create a new class.
Usually though you should...
Different names of JSON property during serialization and deserialization
....setRed((byte) 5);
ObjectMapper mapper = new ObjectMapper();
System.out.println("Serialization: " + mapper.writeValueAsString(c));
Coordinates r = mapper.readValue("{\"red\":25}",Coordinates.class);
System.out.println("Deserialization: " + r.getR());
Result:
Serialization: {"r":5}
Deserializati...
Adding a cross-reference to a subheading or anchor in another page
... builders that support cross-references.
RST, in General
The tools that convert RST files to HTML do not necessarily have a notion of collection. This is the case for instance if you rely on github to convert RST files to HTML or if you use a command line tool like rst2html. Unfortunately, the va...
Is the primary key automatically indexed in MySQL?
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According to http://dev.mysql.com/doc/refman/5.0/en/constraint-primary-key.html it would appear that this is would be implicit
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Mysql - How to quit/exit from stored procedure
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Great! You even point out that the END proc_label; syntax (shown in most official MySQL examples) is not needed. (this is a great way to comment out a stored proc without having to scroll to the bottom to put */ in place)
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How to copy Java Collections list
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To create a deep copy, the List, via either mechanism, would have to have intricate knowledge of the underlying type. In the case of Strings, which are immutable in Java (and .NET for that matter), you don't even need a deep copy. In the case of MySpecialObject, you need to know how to make a deep ...
Differences and relationship between glActiveTexture and glBindTexture
...truct. So you might have an object defined like this:
struct Object
{
int count;
float opacity;
char *name;
};
The object has certain values stored in it and it has state. OpenGL objects have state too.
Changing State
In C/C++, if you have an instance of type Object, you would chang...
string sanitizer for filename
...name
Put the string in lower case
Remove foreign accents such as Éàû by convert it into html entities and then remove the code and keep the letter.
Replace Spaces with dashes
Encode special chars that could pass the previous steps and enter in conflict filename on server. ex. "中文百强网"
Re...
Collect successive pairs from a stream
...to make some calculations. Most common usage is to calculate differences:
int[] pairwiseDiffs = IntStreamEx.of(input).pairMap((a, b) -> (b-a)).toArray();
For object stream you can create any other object type. My library does not provide any new user-visible data structures like Pair (that's t...