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What are C++ functors and their uses?
...rom class method, actually this is a delegate:
class SomeClass
{
std::string state_;
public:
SomeClass(const char* s) : state_(s) {}
void method( std::string param )
{
std::cout << state_ << param << std::endl;
}
};
SomeClass *inst = new SomeClass("Hi,...
What is the documents directory (NSDocumentDirectory)?
...DomainMask] lastObject];
}
if you need to support iOS 7 or earlier
+ (NSString *) applicationDocumentsDirectory
{
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *basePath = paths.firstObject;
return basePath;
}
This Do...
Bootstrap right Column on top on mobile view
...der-1 order-lg-2">
This column will be ordered second on large to extra large screens
</div>
<div class="col-6 order-2 order-lg-1">
This column will be ordered first on large to extra large screens
</div>
</div>
</div>
You can omit order-1...
When should we implement Serializable interface?
...g JSON you don't have to implement this interface and can simply send that string.. so Im still not sure why to use this interface when you can use JSON.
– Yonatan Nir
Aug 29 '16 at 7:21
...
How to create a date object from string in javascript [duplicate]
Having this string 30/11/2011 . I want to convert it to date object.
8 Answers
8
...
client secret in OAuth 2.0
...-to-us
and here https://www.youtube.com/watch?v=twyL7Uxe6sk.
All in all be extra cautious of your usage of third party libraries (common sense actually but if token hijacking is your big concern add another extra to cautious).
I have been ranting about the point 2 for quite some time. I have even d...
How to print a stack trace in Node.js?
...ke the current Node version does.
Note: if the exception is created as a string like throw "myException", it's not possible to retrieve the stack trace and logging e.stack yields undefined.
To be safe, you can use
console.error(e.stack || e);
and it will work for old and new Node.js versions....
Centering a div block without the width
...S rule. This is a good trick to center a div in a container without adding extra HTML nor applying constraining styles to the container (like text-align: center; which would center all other inline content in the container), while keeping dynamic width for the contained div:
HTML:
<div class="c...
When splitting an empty string in Python, why does split() return an empty list while split('\n') re
I am using split('\n') to get lines in one string, and found that ''.split() returns an empty list, [] , while ''.split('\n') returns [''] . Is there any specific reason for such a difference?
...
Change private static final field using Java reflection
....FINAL);
field.set(null, newValue);
}
public static void main(String args[]) throws Exception {
setFinalStatic(Boolean.class.getField("FALSE"), true);
System.out.format("Everything is %s", false); // "Everything is true"
}
}
Assuming no SecurityException is thrown...