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Are arrays passed by value or passed by reference in Java? [duplicate]
...a primitive type in Java, but they are not objects either ... "
In fact, all arrays in Java are objects1. Every Java array type has java.lang.Object as its supertype, and inherits the implementation of all methods in the Object API.
... so are they passed by value or by reference? Does it de...
Getting output of system() calls in Ruby
If I call a command using Kernel#system in Ruby, how do I get its output?
15 Answers
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BroadcastReceiver with multiple filters or multiple BroadcastReceivers?
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@Waqas Is there a way to do this dynamically so that you have a generic broadcast receiver and can add multiple handlers to it so as to not have to modify the basic framework each time you add a new intent to it?
– gonzobrains
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JSON parsing using Gson for Java
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This is simple code to do it, I avoided all checks but this is the main idea.
public String parse(String jsonLine) {
JsonElement jelement = new JsonParser().parse(jsonLine);
JsonObject jobject = jelement.getAsJsonObject();
jobject = jobject.getAsJson...
jQuery selector for the label of a checkbox
...browsers (Safari/Chrome), you can do $('#comedyclubs')[0].labels to access all the labels assigned to #comedyclubs.
– Matt
Aug 9 '12 at 2:17
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angular.element vs document.getElementById or jQuery selector with spin (busy) control
... '#some-id' ) );
You wrap the Document.querySelector() native Javascript call into the angular.element() call. So you always get the element in a jqLite or jQuery object, depending whether or not jQuery is available/loaded.
Official documentation for angular.element:
If jQuery is available, angula...
Call An Asynchronous Javascript Function Synchronously
...fic case of doing it the wrong way on-purpose to retrofit an asynchronous call into a very synchronous codebase that is many thousands of lines long and time doesn't currently afford the ability to make the changes to "do it right." It hurts every fiber of my being, but reality and ideals often do n...
How do I check if a Sql server string is null or empty
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@irfandar - Well, if you want to treat a string with all spaces as empty, go ahead use trim. Otherwise a string with all spaces is not empty.
– Martin Ba
Sep 2 '13 at 12:13
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How to test if parameters exist in rails
...re asking about existence. You might need to differentiate:
Not there at all.
There but nil.
There but false.
There but an empty string.
as well. Hard to say without more details of your precise situation.
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What's the difference between .so, .la and .a library files?
...t in memory). But what is the difference between .a and .la ? Are these all static libraries?
1 Answer
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