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Is it unnecessary to put super() in constructor?
...tomatically put by the compiler if I don't put it in a subclass's constructor?
6 Answers
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How to run a command in the background and get no output?
...o shell scripts a.sh and b.sh . In a.sh and b.sh I have a infinite for loop and they print some output to the terminal. I want to write another script which calls both a.sh and b.sh but I want the user to regain control of the terminal immediately, instead of having the script run infinit...
Is it possible to implement dynamic getters/setters in JavaScript?
I am aware of how to create getters and setters for properties whose names one already knows, by doing something like this:
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Backbone.js: get current route
Using Backbone, is it possible for me to get the name of the current route? I know how to bind to route change events, but I'd like to be able to determine the current route at other times, in between changes.
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When does invoking a member function on a null instance result in undefined behavior?
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Both (a) and (b) result in undefined behavior. It's always undefined behavior to call a member function through a null pointer. If the function is static, it's technically undefined as well, but there's some dispute.
The first thing to understand is why it's undefi...
How to count certain elements in array?
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Very simple:
var count = 0;
for(var i = 0; i < array.length; ++i){
if(array[i] == 2)
count++;
}
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How can I perform a reverse string search in Excel without using VBA?
...readsheet containing a list of strings. Each string is made up of several words, but the number of words in each string is different.
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PHP Regex to check date is in YYYY-MM-DD format
...Regex has never been my strong point, I keep getting a false return value for the preg_match() I have setup.
23 Answers
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What does template mean?
...eger rather than a type. We can assign the templated value to a variable, or otherwise manipulate it in a way we might with any other integer literal:
unsigned int x = N;
In fact, we can create algorithms which evaluate at compile time (from Wikipedia):
template <int N>
struct Factorial
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What is [Serializable] and when should I use it?
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What is it?
When you create an object in a .Net framework application, you don't need to think about how the data is stored in memory. Because the .Net Framework takes care of that for you. However, if you want to store the contents of an object to a file, send an object to anot...