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How do I put two increment statements in a C++ 'for' loop?
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A common idiom is to use the comma operator which evaluates both operands, and returns the second operand. Thus:
for(int i = 0; i != 5; ++i,++j)
do_something(i,j);
But is it really a comma operator?
Now having wrote that, a comment...
Orchestration vs. Choreography
...oral detail about the role of the service in more complex collaboration. This collaboration includes a sequence of activities and relationships between activities, which build the business process. There are two ways to build this process: service orchestration and service choreography.
Service orch...
What represents a double in sql server?
...ble and I want to store these in a table in SQL Server, but noticed there is no double type, so what is best to use, decimal or float ?
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Dynamic variable names in Bash
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edited Apr 13 '18 at 18:19
kenorb
105k4949 gold ba...
When to use wrapper class and primitive type
...their primitive counterparts (memory & boxing).
Another consideration is:
It can be handy to initialize Objects to null or send null parameters into a method/constructor to indicate state or function. This can't be done with primitives.
Many programmers initialize numbers to 0 (default) or -1...
Arrow operator (->) usage in C
...he -> (arrow) operator came up without explanation. I think that it is used to call members and functions (like the equivalent of the . (dot) operator, but for pointers instead of members). But I am not entirely sure.
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PHP check whether property exists in object or class
...es not have a pure object variable, but I want to check whether a property is in the given object or class.
8 Answers
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Most efficient way to store thousand telephone numbers
This is a google interview question:
13 Answers
13
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Why does jQuery or a DOM method such as getElementById not find the element?
... to the DOM and scripts are (generally) executed as they're encountered. This means that order matters. Typically, scripts can't find elements which appear later in the markup because those elements have yet to be added to the DOM.
Consider the following markup; script #1 fails to find the <div&...
object==null or null==object?
I heard from somebody that null == object is better than object == null check
11 Answers
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