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How to work around the stricter Java 8 Javadoc when using Maven
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For now, the easiest way I know to work around the stricter Java 8 Javadoc when using Maven is deactivating it.
Since the parameter -Xdoclint:none only exists in Java 8, defining this parameter breaks the build for any other Java...
How do you find the row count for all your tables in Postgres
...looking for a way to find the row count for all my tables in Postgres. I know I can do this one table at a time with:
15 A...
Do I need a content-type header for HTTP GET requests?
...essage unless the intended media type of the enclosed representation is unknown to the sender. If a Content-Type header field is not present, the recipient MAY either assume a media type of "application/octet-stream" ([RFC2046], Section 4.5.1) or examine the data to determine its type.
It means th...
PHP best way to MD5 multi-dimensional array?
....php
http://nathanbrauer.com/playground/plain-text/serialize-vs-json.php
Now, one thing to note is array(1,2,3) will produce a different MD5 as array(3,2,1). If this is NOT what you want. Try the following code:
//Optionally make a copy of the array (if you want to preserve the original order)
$...
Is a Java string really immutable?
We all know that String is immutable in Java, but check the following code:
15 Answers
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What is the difference between loose coupling and tight coupling in the object oriented paradigm?
...maintain a list of classes that inherit from 'Observer', without actually knowing the concrete type of those classes, this is an instance of loose coupling. The Subject doesn't depend on any of its Observers or their internal concerns. The observers don't depend on the Subject or any of its concerns...
Using the field of an object as a generic Dictionary key
...interfaces required for it to be used as a key. Dictionary has no direct knowledge of int or any other type.
– Jim Mischel
Mar 11 '09 at 15:58
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What's is the difference between include and extend in use case diagram?
...re sometimes” is a very common misconception which has almost taken over now as the de-facto meaning. Here’s a correct approach (in my view, and checked against Jacobson, Fowler, Larmen and 10 other references).
Relationships are dependencies
The key to Include and extend use case relationshi...
What is the difference between NTFS Junction Points and Symbolic Links?
...g. To be compatible with legacy folder names, C:\Documents and Settings is now a link to C:\Users.
Interestingly, although Vista introduces Symbolic links, this "Documents and Settings" trick is actually a plain old junction.
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Handler vs AsyncTask vs Thread [closed]
... and AsyncTask. These classes do most of the work for us, we only need to know which methods to override.
The difference between Handler and AsyncTask is: Use AsyncTask when Caller thread is a UI Thread.
This is what android document says:
AsyncTask enables proper and easy use of the UI thread....