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'is' versus try cast with null check
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Because there's only one cast. Compare this:
if (myObj.myProp is MyType) // cast #1
{
var myObjRef = (MyType)myObj.myProp; // needs to be cast a second time
// before using it as ...
Android Task Affinity Explanation
What exactly is the attribute taskAffinity used for? I have gone through the documentation but I couldn't understand much.
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Adding new column to existing DataFrame in Python pandas
...following indexed DataFrame with named columns and rows not- continuous numbers:
24 Answers
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Why is unsigned integer overflow defined behavior but signed integer overflow isn't?
Unsigned integer overflow is well defined by both the C and C++ standards. For example, the C99 standard ( §6.2.5/9 ) states
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How to upper case every first letter of word in a string? [duplicate]
...ing with .toUpperCase(). Is there an existing java helper which does the job?
16 Answers
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Insert, on duplicate update in PostgreSQL?
...CT clause. with the following syntax (similar to MySQL)
INSERT INTO the_table (id, column_1, column_2)
VALUES (1, 'A', 'X'), (2, 'B', 'Y'), (3, 'C', 'Z')
ON CONFLICT (id) DO UPDATE
SET column_1 = excluded.column_1,
column_2 = excluded.column_2;
Searching postgresql's email group arch...
delegate keyword vs. lambda notation
Once it is compiled, is there a difference between:
6 Answers
6
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How to find the type of an object in Go?
How do I find the type of an object in Go? In Python, I just use typeof to fetch the type of object. Similarly in Go, is there a way to implement the same ?
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In Python, how do I indicate I'm overriding a method?
...verride annotation not only provides compile-time checking of an override but makes for excellent self-documenting code.
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constant pointer vs pointer on a constant value [duplicate]
What is the difference between the following declarations?
11 Answers
11
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