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Operator overloading in Java
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You are saying we cant create wrapper in java? Such as SmallInteger like Integer?
– huseyin tugrul buyukisik
Sep 12 '12 at 10:58
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Add text to Existing PDF using Python
...is the best way to go about this and what extra modules will I need to install.
8 Answers
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Can overridden methods differ in return type?
...pe is assignable to the return type of the method you are overriding, it's allowed.
For example:
class ShapeBuilder {
...
public Shape build() {
....
}
class CircleBuilder extends ShapeBuilder{
...
@Override
public Circle build() {
....
}
This is specified in section...
How to delete last character from a string using jQuery?
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@skajfes and @GolezTrol provided the best methods to use. Personally, I prefer using "slice()". It's less code, and you don't have to know how long a string is. Just use:
//-----------------------------------------
// @param begin Required. The index where
// to begin th...
How to find patterns across multiple lines using grep?
... used as
pcregrep -M 'abc.*(\n|.)*efg' test.txt
where -M, --multiline allow patterns to match more than one line
There is a newer pcre2grep also. Both are provided by the PCRE project.
pcre2grep is available for Mac OS X via Mac Ports as part of port pcre2:
% sudo port install pcre2
and v...
fatal: The current branch master has no upstream branch
...tly push a new branch?": git push -u origin master or git push -u origin --all), you need now to resolve the authentication issue.
That depends on your url (ssh as in 'git@github.com/yourRepo, or https as in https://github.com/You/YourRepo)
For https url:
If your account is protected by the two-f...
How to Programmatically Add Views to Views
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Calling addView is the correct answer, but you need to do a little more than that to get it to work.
If you create a View via a constructor (e.g., Button myButton = new Button();), you'll need to call setLayoutParams on the n...
How to convert floats to human-readable fractions?
....out r d
** r is real number to approx
** d is the maximum denominator allowed
**
** based on the theory of continued fractions
** if x = a1 + 1/(a2 + 1/(a3 + 1/(a4 + ...)))
** then best approximation is found by truncating this series
** (with some adjustments in the last term).
**
** Note the ...
What does the “>” (greater-than sign) CSS selector mean?
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> is the child combinator, sometimes mistakenly called the direct descendant combinator.1
That means the selector div > p.some_class only selects paragraphs of .some_class that are nested directly inside a div, and not any paragraphs that are nested further within.
An il...
Prevent automatic browser scroll on refresh
...r recommended due to changes in browser behavior. See other answers.
Basically, if an anchor is used we bind to the windows scroll event. The idea being that the first scroll event has to belong to the automatic repositioning done by the browser. When this occurs we do our own repositioning and the...