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Objective-C ARC: strong vs retain and weak vs assign
..." include an implicit "retain"
Example:
@property (nonatomic, retain) NSString *name;
@synthesize name;
4.assign
assign is the default and simply performs a variable assignment
assign is a property attribute that tells the compiler how to synthesize the property's setter implementation
I wo...
Interface defining a constructor signature?
...n of the problem). Suppose we could have:
interface IPerson
{
IPerson(string name);
}
interface ICustomer
{
ICustomer(DateTime registrationDate);
}
class Person : IPerson, ICustomer
{
Person(string name) { }
Person(DateTime registrationDate) { }
}
Where by convention the impleme...
Remove an item from array using UnderscoreJS
...
Please exercise care if you are filtering strings and looking for case insensitive filters. _.without() is case sensitive. You can also use _.reject() as shown below.
var arr = ["test","test1","test2"];
var filtered = _.filter(arr, function(arrItem) {
return ar...
static files with express.js
... on a directory. To disable this set false or to supply a new index pass a string or an array in preferred order.
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What to do on TransactionTooLargeException
...== null) {
state = new Bundle();
}
String key = "f" + i;
mFragmentManager.putFragment(state, key, f);
}
}
return state;
}
As you can see, even if you properly manage the fragments in the FragmentStatePagerAdapter subclass, the bas...
Functional programming - is immutability expensive? [closed]
...ject QSortExample {
// Imperative mutable quicksort
def swap(xs: Array[String])(a: Int, b: Int) {
val t = xs(a); xs(a) = xs(b); xs(b) = t
}
def muQSort(xs: Array[String])(l: Int = 0, r: Int = xs.length-1) {
val pivot = xs((l+r)/2)
var a = l
var b = r
while (a <= b) {
...
Passing parameters to addTarget:action:forControlEvents
...ass something other than integers? what if I need to pass an object like a string?
– user102008
Apr 6 '11 at 22:55
@us...
Check if a string is a date value
... Sorry @Asmor, this is not a correct answer. Date.parse will parse any string with a number it in.
– jwerre
Mar 10 '14 at 16:01
12
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What are named pipes?
...
#include <sys/types.h>
#include <sys/stat.h>
int mkfifo(const char *pathname, mode_t mode);
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Using member variable in lambda capture list inside a member function
...
The solution might make an unnecessary extra copy of grid though it probably gets optimized out. Shorter and better is: auto& tmp = grid; etc.
– Tom Swirly
Aug 10 '15 at 17:49
...