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How to use the toString method in Java?
... concept of the toString() method, defined in the Object class? How is it used, and what is its purpose?
13 Answers
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Why an abstract class implementing an interface can miss the declaration/implementation of one of th
...terface: some of the interface's methods can be completely missing (i.e. neither an abstract declaration or an actual implementation is present), but the compiler does not complain.
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Binding multiple events to a listener (without JQuery)?
While working with browser events, I've started incorporating Safari's touchEvents for mobile devices. I find that addEventListener s are stacking up with conditionals. This project can't use JQuery.
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How to detect a loop in a linked list?
Say you have a linked list structure in Java. It's made up of Nodes:
25 Answers
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How to default to other directory instead of home directory
...ing on a windows machine. The only place I need for linux command line is Git Bash. The problem is: When I open it, I am in the home directory. I have to change the directory to my workspace, like:
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How to Correctly handle Weak Self in Swift Blocks with Arguments
...k self].
If self will never be nil in the closure use [unowned self].
If it's crashing when you use [unowned self] I would guess that self is nil at some point in that closure, which is why you had to go with [weak self] instead.
I really liked the whole section from the manual on using strong, ...
How can a Metro app in Windows 8 communicate with a backend desktop app on the same machine?
In a situation where you have the UI frontend built using the new Metro style of apps for windows 8, and would like it to communicate with a .NET application running on the desktop on the same local machine (e.g. a windows service app).
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Mongoose subdocuments vs nested schema
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According to the docs, it's exactly the same.
However, using a Schema would add an _id field as well (as long as you don't have that disabled), and presumably uses some more resources for tracking subdocs.
Alternate declaration syntax
New in v3 I...
PHP PDO: charset, set names?
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You'll have it in your connection string like:
"mysql:host=$host;dbname=$db;charset=utf8"
HOWEVER, prior to PHP 5.3.6, the charset option was ignored. If you're running an older version of PHP, you must do it like this:
$dbh = new PD...
Gson: How to exclude specific fields from Serialization without annotations
I'm trying to learn Gson and I'm struggling with field exclusion. Here are my classes
15 Answers
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