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Converting array to list in Java
...3.
To be clear list21 can be modified in sense that we can call list21.set(index,element) but this list may not be structurally modified i.e. cannot add or remove elements from the list. You can also check this answer of mine for more explanation.
If we want an immutable list then we can wrap it as...
What is this operator in MySQL?
...ike the is not distinct from operator. Curious to know if MySQL can use an index on that...
– Denis de Bernardy
Feb 21 '14 at 20:45
3
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Difference between size_t and unsigned int?
...ntptr_t are synonyms. size_t type is
usually used for loop counters, array indexing
and address arithmetic.
The maximum possible value of size_t type is
constant SIZE_MAX .
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Git blame — prior commits?
...sh sha1 from the relative file paths. 1
For example:
git blame master -- index.html
Full credit to Amber for knowing all the things! :)
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How can I clear or empty a StringBuilder? [duplicate]
...de for a StringBuilder or StringBuffer the setLength() call just resets an index value for the character array. IMHO using the setLength method will always be faster than a new allocation. They should have named the method 'clear' or 'reset' so it would be clearer.
...
MySQL select one column DISTINCT, with corresponding other columns
...n - Unambiguous Entities
Assuming the firstname and lastname are uniquely indexed (unambiguous), an alternative to GROUP BY is to sort using a LEFT JOIN to filter the result set, otherwise known as an exclusion JOIN.
See Demonstration
Ascending order (A-Z)
To retrieve the distinct firstname ord...
css rotate a pseudo :after or :before content:“”
...order:2px solid #ffffff;
border-radius: 5px;
color: #ffffff;
z-index: 10000;
-webkit-transform: rotate(50deg) translateY(-50%);
-moz-transform: rotate(50deg) translateY(-50%);
-ms-transform: rotate(50deg) translateY(-50%);
-o-transform: rotate(50deg) translateY(-50%);
...
What's the syntax for mod in java
...d array.length] allways accesses an element in my array rather than try to index negative positions.
– Kris
Nov 11 '19 at 4:19
2
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How do I get a substring of a string in Python?
...ieve this is by string slicing.
MyString[a:b] gives you a substring from index a to (b - 1).
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Rails: call another controller action from a controller
...methods in your controller and call them from your action.
Example:
def index
get_variable
end
private
def get_variable
@var = Var.all
end
That said you can do exactly the same through different controllers and summon a method from controller A while you are in controller B.
Vocabu...