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What is the meaning of “this” in Java?
...n-static method runs in the context of an object. So if you have a class like this:
public class MyThisTest {
private int a;
public MyThisTest() {
this(42); // calls the other constructor
}
public MyThisTest(int a) {
this.a = a; // assigns the value of the parameter a to the field...
C# Create New T()
...
Take a look at new Constraint
public class MyClass<T> where T : new()
{
protected T GetObject()
{
return new T();
}
}
T could be a class that does not have a default constructor: in this case new T(...
Specify sudo password for Ansible
...ue". Sudo password variable is ansible_sudo_pass. So your command would look like:
ansible-playbook playbook.yml -i inventory.ini --user=username \
--extra-vars "ansible_sudo_pass=yourPassword"
Update 2017: Ansible 2.2.1.0 now uses var ansible_become_pass. Either see...
RVM: Uninstalling all gems of a gemset
...
Andy LindemanAndy Lindeman
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...
How do I use reflection to invoke a private method?
..., and I need to call one dynamically based on an input value. Both the invoking code and the target methods are in the same instance. The code looks like this:
...
Create a temporary table in a SELECT statement without a separate CREATE TABLE
... without using a create table statement and specifying each column type? I know derived tables are capable of this, but those are super-temporary (statement-only) and I want to re-use.
...
Eclipse jump to closing brace
What is the keyboard short cut in Eclipse to jump to the closing brace of a scope?
7 Answers
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How do I change read/write mode for a file using Emacs?
...ad-only" to call the correct elisp function.
If you are using the default keyboard bindings,
C-x C-q
(which you read aloud as "Control-X Control-Q") will have the same effect. Remember, however, given that emacs is essentially infinitely re-configurable, your mileage may vary.
Following u...
ISO time (ISO 8601) in Python
I have a file. In Python, I would like to take its creation time, and convert it to an ISO time (ISO 8601) string while preserving the fact that it was created in the Eastern Time Zone (ET) .
...
Submit HTML form on self page
..." (empty attribute). It is against the specification.
From this other Stack Overflow answer.
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