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Why are you not able to declare a class as static in Java?
...the same topic :
Java: Static vs non static inner class
Java inner class and static nested class
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Switch branch names in git
...s question, so here's a desciption of the problem. I was working on master and committed some stuff and then decided I wanted to put that work on hold. I backed up a few commits and then branched from before I started my crap work. Practically this works fine, I just now have a different branch as m...
How to call base.base.method()?
...Special Derived.");
var ptr = typeof(Base).GetMethod("Say").MethodHandle.GetFunctionPointer();
var baseSay = (Action)Activator.CreateInstance(typeof(Action), this, ptr);
baseSay();
}
}
...
How to give System property to my test via Gradle and -D
...
The -P flag is for gradle properties, and the -D flag is for JVM properties. Because the test may be forked in a new JVM, the -D argument passed to gradle will not be propagated to the test - it sounds like that is the behavior you are seeing.
You can use the sy...
What is an efficient way to implement a singleton pattern in Java? [closed]
...pt that it is more concise, provides the serialization machinery for free, and provides an ironclad guarantee against multiple instantiation, even in the face of sophisticated serialization or reflection attacks. While this approach has yet to be widely adopted, a single-element enum type is the bes...
Get elements by attribute when querySelectorAll is not available without using libraries?
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You could write a function that runs getElementsByTagName('*'), and returns only those elements with a "data-foo" attribute:
function getAllElementsWithAttribute(attribute)
{
var matchingElements = [];
var allElements = document.getElementsByTagName('*');
for (var i = 0, n = allEle...
How to send an object from one Android Activity to another using Intents?
...effort to use than using Java's native serialization, but it's way faster (and I mean way, WAY faster).
From the docs, a simple example for how to implement is:
// simple class that just has one member property as an example
public class MyParcelable implements Parcelable {
private int mData;
...
How to Correctly handle Weak Self in Swift Blocks with Arguments
In my TextViewTableViewCell , I have a variable to keep track of a block and a configure method where the block is passed in and assigned.
Here is my TextViewTableViewCell class:
...
Android Facebook integration with invalid key hash
... is wrong. You may get the hash key using two steps.
One is through a command prompt. Another one is through coding. The hash key through a command prompt is working on the first time only. I don't know the reason. I have also got the same problem. So I tried it through programmatically.
Follow th...
git error: failed to push some refs to remote
...er 6 Pull with rebase of the Git Pocket Book.
I would recommend a:
# add and commit first
git push -u origin master
That would establish a tracking relationship between your local master branch and its upstream branch.
After that, any future push for that branch can be done with a simple:
git p...