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When should I make explicit use of the `this` pointer?

... Usually, you do not have to, this-> is implied. Sometimes, there is a name ambiguity, where it can be used to disambiguate class members and local variables. However, here is a completely different case where this-> is e...
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Catching multiple exception types in one catch block

...fining the exceptions). Even given that there are exceptions you want to "fall through", you should still be able to define a hierarchy to match your needs. abstract class MyExceptions extends Exception {} abstract class LetterError extends MyExceptions {} class AError extends LetterError {} cla...
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Django template how to look up a dictionary value with a variable

...I find this easier to read and it avoids the need for special coding. I usually need the key and the value inside the loop anyway. share | improve this answer | follow ...
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What would be C++ limitations compared C language? [closed]

...uestion which asks about a generics library for C - the questioner specifically states that they do not want to use C++. C is a complete programming language. C is not an arbitrary subset of C++. C is not a subset of C++ at all. This is valid C: foo_t* foo = malloc ( sizeof(foo_t) ); To make ...
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What are allowed characters in cookies?

What are the allowed characters in both cookie name and value? Are they same as URL or some common subset? 13 Answers ...
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c#: getter/setter

... So in that case this.Type = "foo"; should be OK, but from outside instance.Type = "foo"; will not.. These auto props are definitely a helpful addition to the language. Thanks. – mikey Jul 15 '11 at 15:12 ...
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What is a good regular expression to match a URL? [duplicate]

... I changed your expression a bit so it will work in all cases i need, including uri with http:// or www "/([^\s\.]+\.[^\s]{2,}|www\.[^\s]+\.[^\s]{2,})/gi" – Ismael Jan 14 '15 at 11:08 ...
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How do you explicitly set a new property on `window` in TypeScript?

... as used by TypeScript 2.0.8. Example: export default class MyClass{ foo(){ ... } ... } interface MyWindow extends Window{ mc: MyClass } declare var window: MyWindow window.mc = new MyClass() Then you can call foo() e.g. from the Chrome Dev Tools console like mc.foo() ...
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What happens when there's insufficient memory to throw an OutOfMemoryError?

... The JVM never really runs out of memory. It does memory computation of the heap stack in advance. The Structure of the JVM, Chapter 3, section 3.5.2 states: If Java virtual machine stacks can be dynamically expanded, and expansion is...
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Why are Perl 5's function prototypes bad?

...nd to expect prototypes to provide a mechanism for checking that function calls are correct: that is, that they have the right number and type of arguments. Perl's prototypes are not well-suited for this task. It's the misuse that's bad. Perl's prototypes have a singular and very different purpose: ...