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Get data from fs.readFile
... if (Buffer.isBuffer( data){ result = data.toString('utf8'); } Now we have converted the buffer into readable text. This is good for reading a plaintext file or testing the file against format types. I could do a try/catch to see if it's a JSON file for example; but only after buffer is converted to...
What is the difference between localStorage, sessionStorage, session and cookies?
...ocalStorage only allow you to store strings - it is possible to implicitly convert primitive values when setting (these will need to be converted back to use them as their type after reading) but not Objects or Arrays (it is possible to JSON serialise them to store them using the APIs). Session stor...
The new syntax “= default” in C++11
..._traits>
struct X {
X() = default;
};
struct Y {
Y() { };
};
int main() {
static_assert(std::is_trivial<X>::value, "X should be trivial");
static_assert(std::is_pod<X>::value, "X should be POD");
static_assert(!std::is_trivial<Y>::value, "Y should not...
How to get maximum value from the Collection (for example ArrayList)?
There is an ArrayList which stores integer values. I need to find the maximum value in this list. E.g. suppose the arrayList stored values are : 10, 20, 30, 40, 50 and the max
value would be 50 .
...
How to use Comparator in Java to sort
...lections.sort(people, new LexicographicComparator());
System.out.println(people);
Collections.sort(people, new AgeComparator());
System.out.println(people);
}
}
class LexicographicComparator implements Comparator<Person> {
@Override
public int compare(Perso...
Forward declaring an enum in C++
...'t know what storage size will have been chosen - it could be a char or an int, or something else.
From Section 7.2.5 of the ISO C++ Standard:
The underlying type of an enumeration is an integral type that can represent all the enumerator values defined in the enumeration. It is implementatio...
How to pass data from 2nd activity to 1st activity when pressed back? - android
...ext data from Activity2.
For example:
In Activity1, start Activity2 as:
Intent i = new Intent(this, Activity2.class);
startActivityForResult(i, 1);
In Activity2, use setResult for sending data back:
Intent intent = new Intent();
intent.putExtra("editTextValue", "value_here")
setResult(RESULT_O...
PHP Array to CSV
I'm trying to convert an array of products into a CSV file, but it doesn't seem to be going to plan. The CSV file is one long line, here is my code:
...
Swift days between two NSDates
... Swift 2:
func daysBetweenDates(startDate: NSDate, endDate: NSDate) -> Int
{
let calendar = NSCalendar.currentCalendar()
let components = calendar.components([.Day], fromDate: startDate, toDate: endDate, options: [])
return components.day
}
...
Purpose of returning by const value? [duplicate]
...eans const &&, but is it really true?! e.g. VS13 allows me to bind int&& var= to a function which returns const int. "The result of calling a function whose return type is not a reference is a prvalue".
– Karlis Olte
May 31 '15 at 21:49
...