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What is the argument for printf that formats a long?
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On most platforms, long and int are the same size (32 bits). Still, it does have its own format specifier:
long n;
unsigned long un;
printf("%ld", n); // signed
printf("%lu", un); // unsigned
For 64 bits, you'd want a long long:
long long n;
uns...
Pros and Cons of Interface constants [closed]
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Well, I think that it boils down to the difference between good and good enough.
While in most cases you can avoid the use of constants by implementing other patterns (strategy or perhaps flyweight), there is something to be said for not needing a half dozen other classes to represent ...
Why can I not push_back a unique_ptr into a vector?
...d Aug 15 '16 at 17:11
parker.sikand
1,3131414 silver badges2929 bronze badges
answered Jul 19 '10 at 18:15
Jam...
How to return an array from JNI to Java?
I am attempting to use the android NDK.
4 Answers
4
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How to check if two arrays are equal with JavaScript? [duplicate]
... works in almost all cases, except that null!==undefined but they both are converted to JSON representation null and considered equal:
function arraysEqual(a1,a2) {
/* WARNING: arrays must not contain {objects} or behavior may be undefined */
return JSON.stringify(a1)==JSON.stringify(a2);
}...
Is it a bad practice to use break in a for loop? [closed]
...sily-readable loops. If the body of your loop spans several screen lengths and has multiple nested sub-blocks, yes, you could easily forget that some code won't be executed after the break. If, however, the loop is short and to the point, the purpose of the break statement should be obvious.
If a l...
Remove characters from C# string
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Am I the only one who gets "Argument 2: cannot convert from 'string' to 'char'" om string.Empty?
– OddDev
Oct 25 '16 at 16:25
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Python JSON serialize a Decimal object
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Hmm, for me this converts Decimal objects to floats, which is not acceptable. Loss of precision when working with currency, for instance.
– Matthew Schinckel
Oct 22 '10 at 0:12
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Will using goto leak variables?
... it true that goto jumps across bits of code without calling destructors and things?
1 Answer
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How to create a generic array in Java?
...i.e. its constructor was explicitly called with a Class<E> argument, and methods will throw an exception when they are passed arguments that are not of type E. See Collections.checkedCollection.
-> in that case, you should write:
public class GenSet<E> {
private E[] a;
pub...