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How to do the equivalent of pass by reference for primitives in Java
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You have several choices. The one that makes the most sense really depends on what you're trying to do.
Choice 1: make toyNumber a public member variable in a class
class MyToy {
public int toyNumber;
}
then pass a reference to a MyToy to your method.
void play(MyToy toy){
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Which HTML elements can receive focus?
I'm looking for a definitive list of HTML elements which are allowed to take focus, i.e. which elements will be put into focus when focus() is called on them?
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How to filter Android logcat by application? [duplicate]
...ad of logcat then the tags don't need to be the application. You can just call it with pidcat com.your.application
You should use your own tag, look at: http://developer.android.com/reference/android/util/Log.html
Like.
Log.d("AlexeysActivity","what you want to log");
And then when you want ...
When is a language considered a scripting language? [closed]
...ut one could say it's focusing more on own applications, still it's often called a "scripting language". Maybe because the hidden compilation into bytecode of the reference CPython impl. doesn't raise compilation errors regarding "type safety"? Maybe Oded's answer has these...
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How to pass objects to functions in C++?
...ne whether to pass by const reference or not.)
Passing by pointer is virtually never advised. Optional parameters are best expressed as a std::optional (boost::optional for older std libs), and aliasing is done fine by reference.
C++11's move semantics make passing and returning by value much more ...
How can I round a number in JavaScript? .toFixed() returns a string?
...th full accuracy) in binary floating-point systems.
For example, 0.1 is really 0.1000000000000000055511151231257827021181583404541015625, and 0.01 is really 0.01000000000000000020816681711721685132943093776702880859375. (Thanks to BigDecimal for proving my point. :-P)
Therefore (absent a decimal f...
Creating a CSS3 box-shadow on all sides but one
...single shadow (see bottom horizontal line) going up, shading the bottom of all tabs except for the open one.
9 Answers
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Resetting remote to a certain commit
I want to discard all changes done after commit <commit-hash> .
So I did:
9 Answers
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std::function vs template
...buggy program to your customer.
Moreover, as you correctly pointed out, calls to template functions are resolved statically (i.e. at compile time), so the compiler has all the necessary information to optimize and possibly inline the code (which would not be possible if the call were performed thr...
This Handler class should be static or leaks might occur: IncomingHandler
...e a reference to your Service object.
Handler objects for the same thread all share a common Looper object, which they post messages to and read from.
As messages contain target Handler, as long as there are messages with target handler in the message queue, the handler cannot be garbage collecte...