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What is the difference between association, aggregation and composition?
What is the difference between association, aggregation, and composition?
Please explain in terms of implementation.
19 An...
This app won't run unless you update Google Play Services (via Bazaar)
I'm testing out the new Google Maps API V2 for Android, and I'm getting this message when the app launches:
12 Answers
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POSTing JsonObject With HttpClient From Web API
... using HttpClient from Web API. I'm not quite sure how to go about this and can't find much in the way of sample code.
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How to lazy load images in ListView in Android
I am using a ListView to display some images and captions associated with those images. I am getting the images from the Internet. Is there a way to lazy load images so while the text displays, the UI is not blocked and images are displayed as they are downloaded?
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How to read a file in Groovy into a string?
I need to read a file from the file system and load the entire contents into a string in a groovy controller, what's the easiest way to do that?
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How do I ignore ampersands in a SQL script running from SQL Plus?
...ave a SQL script that creates a package with a comment containing an ampersand (&). When I run the script from SQL Plus, I am prompted to enter a substitute value for the string starting with &. How do I disable this feature so that SQL Plus ignores the ampersand?
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java.util.Date vs java.sql.Date
java.util.Date vs java.sql.Date : when to use which and why?
7 Answers
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Creating the Singleton design pattern in PHP5
.../en/language.variables.scope.php#language.variables.scope.static to understand static variable scopes and why setting static $inst = null; works.
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What strategies and tools are useful for finding memory leaks in .NET?
...when I suspect a memory leak.
So far, I have found it to be very reliable and powerful. It has saved my bacon on at least one occasion.
The GC works very well in .NET IMO, but just like any other language or platform, if you write bad code, bad things happen.
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Simplest/Cleanest way to implement singleton in JavaScript?
...ake the object immutable, preventing any modification to the its structure and values.
Additionally I would like to mention that if you are using ES6, you can represent a singleton using ES Modules very easily, and you can even hold private state by declaring variables at the module scope:
// my-s...