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How does “this” keyword work within a function?
...iteral notation. Inside those objects, the this pointer is being used. From the behavior of the program, I have deduced that the this pointer is referring to the class on which the method was invoked, and not the object being created by the literal.
...
How to skip “Loose Object” popup when running 'git gui'
...is running close to full on their filesystem, deletes a number of branches from a tracking repository, and then does a "git gc" may get a very unpleasant surprise.
[Example:] Old branches are reserved via a tag such as next-20081204.
If you update the your local copy of the linux-next reposit...
How to send HTTP request in java? [duplicate]
...
You can use java.net.HttpUrlConnection.
Example (from here), with improvements. Included in case of link rot:
public static String executePost(String targetURL, String urlParameters) {
HttpURLConnection connection = null;
try {
//Create connection
URL url = ne...
Does Java SE 8 have Pairs or Tuples?
...eems like it can be solved without using any kind of Pair structure. [Note from OP: here is the other correct answer.]
The short answer is no. You either have to roll your own or bring in one of the several libraries that implements it.
Having a Pair class in Java SE was proposed and rejected at...
What is the meaning of the CascadeType.ALL for a @ManyToOne JPA association
...
See here for an example from the OpenJPA docs. CascadeType.ALL means it will do all actions.
Quote:
CascadeType.PERSIST: When persisting an entity, also persist the entities held in its fields. We suggest a liberal application of this cascade rule,...
Why is there no SortedList in Java?
...s SortedSet and NavigableSet interfaces and works as you'd probably expect from a list:
TreeSet<String> set = new TreeSet<String>();
set.add("lol");
set.add("cat");
// automatically sorts natural order when adding
for (String s : set) {
System.out.println(s);
}
// Prints out "cat" ...
Easiest way to compare arrays in C#
...
Also for arrays (and tuples) you can use new interfaces from .NET 4.0: IStructuralComparable and IStructuralEquatable. Using them you can not only check equality of arrays but also compare them.
static class StructuralExtensions
{
public static bool StructuralEquals<T>(...
Install tkinter for Python
...stall Tkinter locally to use with system-provided Python. You may build it from sources, but this is usually not the best idea with a binary package-based distro you're apparently running.
It's safer to apt-get install python-tk on your machine(s).
(Works on Debian-derived distributions like for Ub...
How to Loop through items returned by a function with ng-repeat?
...re processed if dirty == true $digest starts another depth-first traversal from $rootScope. $digest ends when dirty == false or number of traversals == 10. In the latter case, the error "10 $digest() iterations reached." will be logged.
Now about ngRepeat. For each watch.get call it stores objects ...
What is the difference between ng-if and ng-show/ng-hide
...on assigned to ngIf evaluates to a false value then the element is removed from the DOM, otherwise a clone of the element is reinserted into the DOM.
<!-- when $scope.myValue is truthy (element is restored) -->
<div ng-if="1"></div>
<!-- when $scope.myValue is falsy (element i...