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What are the key differences between Scala and Groovy? [closed]
...brid language and is very well planned and designed. groovy is more like a set of enhancements that many people would love to use in java.
i took a closer look at both, so i can tell :)
neither of them is better or worse than the other. groovy is very good at meta-programming, scala is very good at...
Find out if string ends with another string in C++
How can I find out if a string ends with another string in C++?
20 Answers
20
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Java Reflection: How to get the name of a variable?
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All you need to do is make an array of fields and then set it to the class you want like shown below.
Field fld[] = (class name).class.getDeclaredFields();
for(Field x : fld)
{System.out.println(x);}
For example if you did
Field fld[] = Integer.class.getDeclaredFields();
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Showing the stack trace from a running Python application
.... For example, bzr by default installs a SIGQUIT handler that invokes pdb.set_trace() to immediately drop you into a pdb prompt. (See the bzrlib.breakin module's source for the exact details.) With pdb you can not only get the current stack trace (with the (w)here command) but also inspect variab...
Passing references to pointers in C++
...binary tree except the root safe. To make the pointer safe we just have to set it to 0. I could not make the function that deletes the tree (keeping only the root) to accept a ref to a pointer since I am using the root (this pointer) as the first input to traverse left and right.
void BinTree::safe...
jQuery.parseJSON throws “Invalid JSON” error due to escaped single quote in JSON
...sts to my server using jQuery.post() and my server is returning JSON objects (like { "var": "value", ... } ). However, if any of the values contains a single quote (properly escaped like \' ), jQuery fails to parse an otherwise valid JSON string. Here’s an example of what I mean ( done in Chro...
Difference between a virtual function and a pure virtual function [duplicate]
What is the difference between a pure virtual function and a virtual function?
4 Answers
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Array initialization syntax when not in a declaration
I can write:
4 Answers
4
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Initialize class fields in constructor or at declaration?
...n issue, if the value is assigned and passed to a WCF method. Which will reset the data to default data type of the model. The best practice is to do the initialisation in constructor(later one).
– Pranesh Janarthanan
Dec 23 '19 at 15:50
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decorators in the python standard lib (@deprecated specifically)
...level=2)
warnings.simplefilter('default', DeprecationWarning) # reset filter
return func(*args, **kwargs)
return new_func
# Examples
@deprecated
def some_old_function(x, y):
return x + y
class SomeClass:
@deprecated
def some_old_method(self, x, y):
return ...