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What is the point of “final class” in Java?

...of all, I recommend this article: Java: When to create a final class If they do, when do they use it so I can understand it better and know when to use it. A final class is simply a class that can't be extended. (It does not mean that all references to objects of the class would act as if t...
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Why are unnamed namespaces used and what are their benefits?

... Unnamed namespaces are a utility to make an identifier translation unit local. They behave as if you would choose a unique name per translation unit for a namespace: namespace unique { /* empty */ } using namespace unique; namespace unique { /* namespace body. stuff in her...
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Best Practice: Initialize JUnit class fields in setUp() or at declaration?

... If you're wondering specifically about the examples in the JUnit FAQ, such as the basic test template, I think the best practice being shown off there is that the class under test should be instantiated in your setUp method (...
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Is there a way to make a PowerShell script work by double clicking a .ps1 file?

... Or if you want all PS1 files to work the way VBS files do, you can edit the registry like this: HKEY_CLASSES_ROOT\Microsoft.PowerShellScript.1\Shell\open\command Edit the Default value to be something like so... "C:\Windows\...
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Stateless vs Stateful - I could use some concrete information

... many web apps are statefull beacause same sign up page gives differant results for user creditials...First time sign up will success...second time with same input signup will fail....because webapp has state of user somewhere stored...it may be database or differant storage ...
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What is a database transaction?

... than possible) explanation of a transaction as applied to computing (even if copied from Wikipedia)? 11 Answers ...
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Variable name as a string in Javascript

...usfx you can swap out const for let or var and it works just the same. But if you're using a transpiler for the object destructuring in the first place, it probably supports const already. – SethWhite Dec 12 '17 at 15:19 ...
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How do I get a PHP class constructor to call its parent's parent's constructor?

... __construct($bypass = false) { // only perform actions inside if not bypassing if (!$bypass) { } // call Grandpa's constructor parent::__construct(); } } class Kiddo extends Papa { public function __construct() { $bypassPapa = true; ...
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Why do I get “unresolved external symbol” errors when using templates? [duplicate]

...ed function. When it comes to compile the template's source file, the specific template type that is being used in the program source isn't used there so it still won't generate the code required for the function. This results in the unresolved external symbol. The solutions available for this ar...
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Retrieve only static fields declared in Java class

...s = new ArrayList<Field>(); for (Field field : declaredFields) { if (java.lang.reflect.Modifier.isStatic(field.getModifiers())) { staticFields.add(field); } } share | improve ...