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How can I repeat a character in Bash?
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If you functionalise this it's best to rearrange it from $s%.0s to %.0s$s otherwise dashes cause a printf error.
– KomodoDave
Jul 30 '14 at 7:35
6
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Smart pointers: who owns the object? [closed]
...er. When you assign one pointer to another, the second 'steals' the object from the first.
I have my own implementation for these, but they are also available in Boost.
I still pass objects by reference (const whenever possible), in this case the called method must assume the object is alive only ...
The name does not exist in the namespace error in XAML
...roperties
A new dialog is opened, try to change the project configurations from Debug to Release or vice versa.
After that, re-build your solution. It can solve your problem.
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How can I dynamically set the position of view in Android?
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from the docs of setTop()developer.android.com/reference/android/view/…: sets the top position of this view relative to its parent. This method is meant to be called by the layout system and should not generally be called o...
Java Interfaces/Implementation naming convention [duplicate]
... an Interface and a single Implementation that is not uniquely specialized from the Interface you probably don't need the Interface.
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What is the best (idiomatic) way to check the type of a Python variable? [duplicate]
...s if somebody passes a unicode string to your function? Or a class derived from dict? Or a class implementing a dict-like interface? Following code covers first two cases. If you are using Python 2.6 you might want to use collections.Mapping instead of dict as per the ABC PEP.
def value_list(x):
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Python super() raises TypeError
...nly operates on new-style classes, which in the 2.x series means extending from object:
>>> class X(object):
def a(self):
print 'a'
>>> class Y(X):
def a(self):
super(Y, self).a()
print 'b'
>>> c = Y()
>>> c.a...
Java Generics: Cannot cast List to List? [duplicate]
...t;? extends Tree> b1 = a1;
... because then you can only fetch things from b1, and they're guaranteed to be compatible with Tree. You can't call b1.add(...) precisely because the compiler won't know whether it's safe or not.
Have a look at this section of Angelika Langer's Java Generics FAQ fo...
What are C++ functors and their uses?
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Little addition. You can use boost::function, to create functors from functions and methods, like this:
class Foo
{
public:
void operator () (int i) { printf("Foo %d", i); }
};
void Bar(int i) { printf("Bar %d", i); }
Foo foo;
boost::function<void (int)> f(foo);//wrap functor
f(...
Simplest PHP example for retrieving user_timeline with Twitter API version 1.1
...e newly generated keys. You need to grab the four previously labelled keys from this page for your API calls, so make a note of them somewhere.
4. Change access level: You don't want read-only, do you?
If you want to make any decent use of this API, you'll need to change your settings to Read &...