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How to send an object from one Android Activity to another using Intents?
...nd then Parcelable was designed for this. It requires a little more 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
publi...
How do I check if a variable exists?
I want to check if a variable exists. Now I'm doing something like this:
11 Answers
11...
How to change or add theme to Android Studio?
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File->Settings->Editor->Colors & Fonts-> In scheme name select Darcula and apply to see a awesome dark background theme editor
Android Studio 3.1.2
File->Settings->Editor->Color Scheme-> In scheme name select Darcula and...
How do I prevent an Android device from going to sleep programmatically?
How do I prevent an Android device from going to sleep programmatically?
8 Answers
8
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Is JavaScript a pass-by-reference or pass-by-value language?
... case we consider that a variable holding an object is in fact a reference to the object) and passed-by-reference (when we consider that the variable to the object holds the object itself).
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Environment variables in Mac OS X
Update: The link below does not have a complete answer . Having to set the path or variable in two places (one for GUI and one for shell) is lame.
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What is console.log?
...e but a feature for debugging purposes. You can for instance log something to the console when something happens. For instance:
$('#someButton').click(function() {
console.log('#someButton was clicked');
// do something
});
You'd then see #someButton was clicked in Firebug’s “Console” t...
Is it bad practice to make a setter return “this”?
Is it a good or bad idea to make setters in java return "this"?
27 Answers
27
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Difference between const & const volatile
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An object marked as const volatile will not be permitted to be changed by the code (an error will be raised due to the const qualifier) - at least through that particular name/pointer.
The volatile part of the qualifier means that the compiler cannot optimize or reorder access to ...
How to check if a string is a valid date
I have a string: "31-02-2010" and want to check whether or not it is a valid date.
What is the best way to do it?
14 Answ...