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How to negate a method reference predicate
In Java 8, you can use a method reference to filter a stream, for example:
12 Answers
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NSString with \n or line break
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I just ran into the same issue when overloading -description for a subclass of NSObject. In this situation I was able to use carriage return (\r) instead of newline (\n) to create a line break.
[NSString stringWithFormat:@"%@\r%@", mystring1,mystring2];
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Should I embed images as data/base64 in CSS or HTML
...Are there some reasons to avoid this?
It's a good practice usually only for very small CSS images that are going to be used together (like CSS sprites) when IE compatibility doesn't matter, and saving the request is more important than cacheability.
It has a number of notable downsides:
Doesn't...
How can I run code on a background thread on Android?
...ackground Thread
execute code that DOES NOT touch/update the UI
execute (short) code which will take at most a few seconds to complete
THEN use the following clean and efficient pattern which uses AsyncTask:
AsyncTask.execute(new Runnable() {
@Override
public void run() {
//TODO your...
Why can't a 'continue' statement be inside a 'finally' block?
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finally blocks run whether an exception is thrown or not. If an exception is thrown, what the heck would continue do? You cannot continue execution of the loop, because an uncaught exception will transfer control to another function.
Even if no exception is thrown, finally ...
How can I combine two HashMap objects containing the same types?
...answered Nov 28 '10 at 23:26
a_horse_with_no_namea_horse_with_no_name
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In which scenario do I use a particular STL container?
... every one of them have their own specific properties, and I'm close to memorizing all of them... But what I do not yet grasp is in which scenario each of them is used.
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Protecting executable from reverse engineering?
...g how to protect my C/C++ code from disassembly and reverse engineering. Normally I would never condone this behavior myself in my code; however the current protocol I've been working on must not ever be inspected or understandable, for the security of various people.
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findViewById in Fragment
...which will refer to the ImageView element which I have created in the XML for the Fragment. However, the findViewById method only works if I extend an Activity class. Is there anyway of which I can use it in Fragment as well?
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What is the role of the bias in neural networks? [closed]
I'm aware of the gradient descent and the back-propagation algorithm. What I don't get is: when is using a bias important and how do you use it?
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