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How to navigate through textfields (Next / Done Buttons)
...m
#import "UITextField+Extended.h"
#import <objc/runtime.h>
static char defaultHashKey;
@implementation UITextField (Extended)
- (UITextField*) nextTextField {
return objc_getAssociatedObject(self, &defaultHashKey);
}
- (void) setNextTextField:(UITextField *)nextTextField{
o...
Groovy executing shell commands
Groovy adds the execute method to String to make executing shells fairly easy;
7 Answers
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When to use inline function and when not to use it?
...e is suitable for short functions whose body doesn't necessitate including extra dependencies over what just a declaration would need. Every time the defintion is encountered it must be parsed and code for its body may be generated so it implies some compiler overhead over a function defined only on...
Get Unix Epoch Time in Swift
...dn't produce 6 scales of precision. But when it returns a scale of 7, that extra digit can be truncated because it's beyond microsecond precision. Therefore, for consistent and precision-true values:
let preciseSeconds = Int(Date().timeIntervalSince1970)
let preciseMilliseconds = Int(Date().timeInt...
Implementing INotifyPropertyChanged - does a better way exist?
...EventHandler PropertyChanged;
protected virtual void OnPropertyChanged(string propertyName)
{
PropertyChangedEventHandler handler = PropertyChanged;
if (handler != null) handler(this, new PropertyChangedEventArgs(propertyName));
}
protected bool SetField<T>(ref ...
How do I check if a number is positive or negative in C#?
...
This is the industry standard:
int is_negative(float num)
{
char *p = (char*) malloc(20);
sprintf(p, "%f", num);
return p[0] == '-';
}
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How do you declare an interface in C++?
...e virtual method
};
class Tester : public IBase {
public:
Tester(std::string name);
virtual ~Tester();
virtual void Describe();
private:
std::string privatename;
};
Tester::Tester(std::string name) {
std::cout << "Tester constructor" << std::endl;
this->priva...
create a trusted self-signed SSL cert for localhost (for use with Express/Node)
...ating issue in window. 14148:error:0D07A097:asn1 encoding routines:ASN1_mbstring_ncopy:string too long:.\crypto\asn1\a_mbstr.c:158:maxsize=2
– Hermenpreet Singh
Jul 19 at 18:08
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Proper Repository Pattern Design in PHP?
...ximum performance, controllers should only receive the data they need—no extra fields.
Implementation should leverage some type of data mapper for ease of development.
Implementation should have the ability to perform complex data lookups.
The Solution
I'm splitting my persistent storage (datab...
Convert JSON String to JSON Object c#
I have this String stored in my database:
8 Answers
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