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How can I use pointers in Java?
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All objects in Java are references and you can use them like pointers.
abstract class Animal
{...
}
class Lion extends Animal
{...
}
class Tiger extends Animal
{
public Tiger() {...}
public void growl(){...}
}
Tiger fi...
possible EventEmitter memory leak detected
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I am using process.on('uncaughtException', callback);
– Riz
Mar 19 '12 at 10:51
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CoffeeScript, When to use fat arrow (=>) over arrow (->) and vice versa
When building a class in CoffeeScript, should all the instance method be defined using the => ("fat arrow") operator and all the static methods being defined using the -> operator?
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How to set target hosts in Fabric file
... @MikhailKorobov: When I followed your link, I saw "Welcome to nginx!". All the requests to code.fabfile.org domain have responses like that.
– Tadeck
Apr 4 '12 at 19:40
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What can I do to resolve a “Row not found or changed” Exception in LINQ to SQL on a SQL Server Compa
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Thats nasty, but simple:
Check if the data types for all fields in the O/R-Designer match the data types in your SQL table.
Double check for nullable! A column should be either nullable in both the O/R-Designer and SQL, or not nullable in both.
For example, a NVARCHAR column "...
How to access property of anonymous type in C#?
...null in three different situations!
o is null, so there is no object at all
o is non-null but doesn't have a property Foo
o has a property Foo but its real value happens to be null.
So this is not equivalent to the earlier examples, but may make sense if you want to treat all three cases the sa...
$_POST vs. $_SERVER['REQUEST_METHOD'] == 'POST'
...oice.
– Mark Amery
Mar 23 '14 at 12:32
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How to remove convexity defects in a Sudoku square?
...surements[
ColorNegate@Binarize[srcAdjusted], {"ConvexArea", "Mask"}][[All,
2]];
largestComponent = Image[SortBy[components, First][[-1, 2]]]
By filling this image, I get a mask for the sudoku grid:
mask = FillingTransform[largestComponent]
Now, I can use a 2nd order derivative fil...
How can I recognize touch events using jQuery in Safari for iPad? Is it possible?
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e is the event object that gets automatically passed to the handler. For the safari browser (and android too) it now contains an array of all the touches the user has made on the screen. Each touch has its own properties (x,y coords for example)
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Can't open config file: /usr/local/ssl/openssl.cnf on Windows [duplicate]
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The solution is running this command:
set OPENSSL_CONF=C:\OpenSSL-Win32\bin\openssl.cfg
or
set OPENSSL_CONF=[path-to-OpenSSL-install-dir]\bin\openssl.cfg
in the command prompt before using openssl command.
Let openssl know for sure where to find its .cfg file.
Alternatively you coul...