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difference between foldLeft and reduceLeft in Scala
...ucing and folding
The difference is not the implementation at all, just look at the signatures.
The question doesn't have anything to do with Scala in particular, it's rather about the two concepts of functional programming.
Back to your question:
Here is the signature of foldLeft (could also hav...
difference between scope and namespace of ruby-on-rails 3 routing
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Benjamin Crouzier
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answered Jun 12 '10 at 20:37
alternativealt...
Server.UrlEncode vs. HttpUtility.UrlEncode
...
Mehrdad AfshariMehrdad Afshari
379k8383 gold badges822822 silver badges775775 bronze badges
...
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...
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...
Gradle build without tests
...
You should use the -x command line argument which excludes any task.
Try:
gradle build -x test
Update:
The link in Peter's comment changed. Here is the diagram from the Gradle user's guide
share
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...
RVM: Uninstalling all gems of a gemset
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Andy LindemanAndy Lindeman
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...
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(...
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:
...
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...