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Why do I get the error “Unsafe code may only appear if compiling with /unsafe”?
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To use unsafe code blocks, the project has to be compiled with the /unsafe switch on.
Open th...
Get an element by index in jQuery
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$(...)[index] // gives you the DOM element at index
$(...).get(index) // gives you the D...
Unable to create a constant value of type Only primitive types or enumeration types are supported in
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This cannot work because ppCombined is a collection of objects in memory and you cannot join a...
scipy.misc module has no attribute imread?
...w, I was able to access imread as follows:
In [1]: import scipy.misc
In [2]: scipy.misc.imread
Out[2]: <function scipy.misc.pilutil.imread>
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PHP exec() vs system() vs passthru()
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edited Mar 12 '19 at 10:40
ZioCain
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answered Apr 9 '0...
How to do a scatter plot with empty circles in Python?
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From the documentation for scatter:
Optional kwargs control the Collection properties; in par...
I need this baby in a month - send me nine women!
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edited Apr 20 '11 at 12:45
community wiki
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What does @@variable mean in Ruby?
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A variable prefixed with @ is an instance variable, while one prefixed with @@ is a class vari...
Deserialize JSON to ArrayList using Jackson
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You can deserialize directly to a list by using the TypeReference wrapper. An example method:
p...
Why is enum class preferred over plain enum?
...afe)
Animal a = Animal::deer;
Mammal m = Mammal::deer;
int num2 = a; // error
if (m == a) // error (good)
cout << "bad" << endl;
if (a == Mammal::deer) // error (good)
cout << "bad" << endl;
}
Conclusion:
enum classes should b...