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How do I discover memory usage of my application in Android?
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Note that memory usage on modern operating systems like Linux is an extremely complicated and difficult to understand area. In fact the chances of you actually correctly interpreting whatever numbers you get is extremely low. (Pretty much every time I look at memory usage numbers with...
Variable declared in for-loop is local variable?
I have been using C# for quite a long time but never realised the following:
9 Answers
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Stack, Static, and Heap in C++
...cs.
Summary of what static, heap, and stack memory are:
A static variable is basically a global variable, even if you cannot access it globally. Usually there is an address for it that is in the executable itself. There is only one copy for the entire program. No matter how many times you go into a...
structure vs class in swift language
...book
"One of the most important differences between structures and classes is that structures are always copied when they are passed around in your code, but classes are passed by reference."
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Use of var keyword in C#
After discussion with colleagues regarding the use of the 'var' keyword in C# 3 I wondered what people's opinions were on the appropriate uses of type inference via var?
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What is the difference between FragmentPagerAdapter and FragmentStatePagerAdapter?
What is the difference between FragmentPagerAdapter and FragmentStatePagerAdapter ?
7 Answers
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Is main() really start of a C++ program?
...f things to "set the environment" prior to the call of main; however, main is the official start of the "user specified" part of the C++ program.
Some of the environment setup is not controllable (like the initial code to set up std::cout; however, some of the environment is controllable like stati...
Is there a way to provide named parameters in a function call in JavaScript?
...ult user',
age = 'N/A'
}={}) {
// ...function body...
}
ES5
There is a way to come close to what you want, but it is based on the output of Function.prototype.toString [ES5], which is implementation dependent to some degree, so it might not be cross-browser compatible.
The idea is to parse...
What are the First and Second Level caches in Hibernate?
...st-level cache always Associates with the Session object. Hibernate uses this cache by default. Here, it processes one
transaction after another one, means wont process one transaction many
times. Mainly it reduces the number of SQL queries it needs to
generate within a given transaction. That...
What is the best way to compare floats for almost-equality in Python?
It's well known that comparing floats for equality is a little fiddly due to rounding and precision issues.
15 Answers
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