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How to concatenate two strings in C++?
...td::string greet = s + " World"; //concatenation easy!
Easy, isn't it?
Now if you need char const * for some reason, such as when you want to pass to some function, then you can do this:
some_c_api(s.c_str(), s.size());
assuming this function is declared as:
some_c_api(char const *input, si...
Python to print out status bar and percentage
...t modification: sys.stdout.write("[%-20s] %d%%" % ('='*int(20*j), 100*j)). Now the only change you need to make is to n=21 before the loop (more likely n=len(iterable)), then enumerate over the iterable object. I recommended this edit but it was rejected; apparently functionality "deviates from the ...
Is it possible to write to the console in colour in .NET?
... +1 When you've been doing this stuff for over 10 years and just now learned what they knew 10 years ago....this never gets old, ha.
– Jester
May 29 at 1:07
add a co...
Nested function in C
... Other languages supported by GCC do have them (ADA and Pascal that I know of), so it is likely that either it was easy to add to the C implementation or that it was added to C in order to make in preparation for supporting languages which require them.
– nategoose
...
jQuery loop over JSON result from AJAX Success?
...on(data) {
jQuery.each(data, function(index, item) {
//now you can access properties using dot notation
});
},
error: function(XMLHttpRequest, textStatus, errorThrown) {
alert("some error");
}
});
...
Convert NSArray to NSString in Objective-C
...rWords = [myString componentsSeparatedByString:@" "];
// yourWords is now: [@"This", @"is", @"a", @"test", @"string"]
if you need to split on a set of several different characters, use NSString’s componentsSeparatedByCharactersInSet:
NSString *yourString = @"Foo-bar/iOS-Blog";
NSArray *you...
How to communicate between iframe and the parent site?
...n fact, MDN says - "Always provide a specific targetOrigin, not *, if you know where the other window's document should be located. Failing to provide a specific target discloses the data you send to any interested malicious site."
– rodiwa
Oct 29 '15 at 8:14
...
What are the benefits of learning Vim? [closed]
....and it gets worse when I want to move further - I end up using the mouse. Now imagine this same scenario but on a laptop.
...
What's the @ in front of a string in C#?
... Oh my, that sounds annoying... even more glad I'm using C# now :p
– Svish
Feb 17 '09 at 11:15
You cann...
Can a C++ enum class have methods?
...IsYellow() const { return value == Banana; }
private:
Value value;
};
Now you can write:
Fruit f = Fruit::Strawberry;
f.IsYellow();
And the compiler will prevent things like:
Fruit f = 1; // Compile time error.
You could easily add methods such that:
Fruit f("Apple");
and
f.ToString(...