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What is a NullPointerException, and how do I fix it?
...lowing code where you declare a variable of primitive type int:
int x;
x = 10;
In this example, the variable x is an int and Java will initialize it to 0 for you. When you assign it the value of 10 on the second line, your value of 10 is written into the memory location referred to by x.
But, when ...
What is the difference between declarative and procedural programming paradigms?
...jor languages
Object-Oriented
It typically refers to languages that exhibit a hierarchy of types that inherit both methods and state from base types to derived types, but also includes the unusual prototype-based JavaScript.
Examples of programming languages which support the OO paradigm:
Jav...
Where to put include statements, header or source?
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There's been quite a bit of disagreement about this over the years. At one time, it was traditional that a header only declare what was in whatever module it was related to, so many headers had specific requirements that you #include a certain se...
What do the &,
...
thenengahthenengah
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What is external linkage and internal linkage?
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edited May 23 '17 at 12:10
Community♦
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answered Aug 31 '09 at 18:37
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What's the equivalent of Java's Thread.sleep() in Objective-C/Cocoa?
...Interval:0.1]).
– TinkerTank
Dec 7 '10 at 18:00
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NodeJS - What does “socket hang up” actually mean?
...ation of "how long".
– Norman H
Dec 10 '14 at 21:09
4
this "socket hang up" is meaningless. This ...
RegEx for Javascript to allow only alphanumeric
...rs here.
for example: /^([a-zA-Z0-9\u0600-\u06FF\u0660-\u0669\u06F0-\u06F9 _.-]+)$/
this will support persian.
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Setting a property by reflection with a string value
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answered Aug 13 '10 at 11:08
TabletTablet
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Pros and Cons of Interface constants [closed]
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I think that its usually better to handle constants, specially enumerated constants, as a separ...