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explicit casting from super class to subclass
...l compiler is allowing the downcast when eventually it is going to throw a java.lang.ClassCastException?
The answer is that all the compiler can do is verify that the two types are in the same inheritance tree, so depending on whatever code might have
come before the downcast, it's possible that a...
What is attr_accessor in Ruby?
... a definition in Ruby (it is "just a definition" in languages like C++ and Java), but it is an expression that evaluates. It is during this evaluation when the attr_accessor method is invoked which in turn modifies the current class - remember the implicit receiver: self.attr_accessor, where self is...
Is there a standard naming convention for XML elements? [closed]
...port enumerations with spaces, yet many of us who use XML in C/C++, C#, or Java (languages I use, but not limited to) will often map attribute values to enumerations. We can then simply parse a literal to a map/dictionary (or easier in the case of Java and C#). Ultimately I agree that it appears to ...
Importing a Maven project into Eclipse from Git
...lick on "Working Tree" and pick "Import Maven Projects...".
Switch to the Java perspective. Right click on the project and choose "Team > Share Project". Select "Git" and be sure to tick the box "Use or create repository in parent folder of project".
...
PHP append one array to another (not array_push or +)
...last array key value overrides the others one]
$array1 = array("a" => "JAVA", "b" => "ASP");
$array2 = array("c" => "C", "b" => "PHP");
echo " <br> Example 1 Output: <br>";
print_r(array_merge($array1,$array2));
// Example 2 [When you want to merge arrays having integer key...
What is the difference between and ? [duplicate]
...
Java Revisited
Resource included by include directive is loaded during jsp translation time, while resource included by include action is loaded during request time.
Any change on included resource will not be visible in ca...
NoClassDefFoundError: android.support.v7.internal.view.menu.MenuBuilder
... libraries and sdk 23 I've started getting this new report on crashlytics: java.lang.NoClassDefFoundError: android.support.v7.internal.view.menu.i
– casolorz
Oct 15 '15 at 17:49
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Checking if a key exists in a JavaScript object?
How do I check if a particular key exists in a JavaScript object or array?
22 Answers
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Why does Maven warn me about encoding?
...he character encoding scheme to be applied when filtering resources.
Type: java.lang.String
Required: No
User Property: encoding
Default: ${project.build.sourceEncoding}
So this means you only need to define this property and the plugin will automatically use this encoding.
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What is the meaning of the planned “private protected” C# access modifier?
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@jww - I'm not very familiar with Java, but as much as i know package in Java is more like namespace in C#.
– Gogutz
May 1 '14 at 6:37
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