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NULL vs nullptr (Why was it replaced?) [duplicate]
...as replaced by nullptr in pointer-based applications. I'm just curious of the exact reason why they made this replacement?
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Is the 'override' keyword just a check for a overridden virtual method?
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How to nicely format floating numbers to String without unnecessary decimal 0?
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If the idea is to print integers stored as doubles as if they are integers, and otherwise print the doubles with the minimum necessary precision:
public static String fmt(double d)
{
if(d == (long) d)
return Strin...
What does character set and collation mean exactly?
...umentation and it's pretty clear. But, how does one decide which character set to use? On what data does collation have an effect?
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Calling dynamic function with dynamic number of parameters [duplicate]
I’m looking for a trick about this. I know how to call a dynamic, arbitrary function in JavaScript, passing specific parameters, something like this:
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Any difference between First Class Function and High Order Function
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Sample random rows in dataframe
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Remember to set your seed (e.g. set.seed(42) ) every time you want to reproduce that specific sample.
– CousinCocaine
Apr 10 '14 at 8:47
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C# Pass Lambda Expression as Method Parameter
... do the same in their class, see this is example.
public string Name {get;set;}
public static List<Class> GetList(Expression<Func<Class, bool>> predicate)
{
List<Class> c = new List<Class>();
c.Add(new Class("name1"));
c.Add(new Class("name...
Undo changes in entity framework entities
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Query ChangeTracker of DbContext for dirty items. Set deleted items state to unchanged and added items to detached. For modified items, use original values and set current values of the entry. Finally set state of modified entry to unchanged:
public void RollBack()
{
va...
How to initialize std::vector from C-style array?
...: w_(w, w + len) { }
Otherwise use assign as previously suggested:
void set_data(double* w, int len)
{
w_.assign(w, w + len);
}
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