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C++11 reverse range-based for-loop
...oost/range/adaptor/reversed.hpp>
int main()
{
std::list<int> x { 2, 3, 5, 7, 11, 13, 17, 19 };
for (auto i : boost::adaptors::reverse(x))
std::cout << i << '\n';
for (auto i : x)
std::cout << i << '\n';
}
...
How to break out of a loop from inside a switch?
...the implied contract of a while loop.
The while loop declaration should explicitly state the only exit condition.
Implies that it loops forever.
Code within the loop must be read to understand the terminating clause.
Loops that repeat forever prevent the user from terminating the program from w...
Remove 'a' from legend when using aesthetics and geom_text
...letter 'a' from the legend generated by this code? If I remove the geom_text , then the 'a' letter will not show in the legend. I want to keep geom_text , though.
...
How to create custom easing function with Core Animation?
...
I took Jesse Crossen's response, and expanded on it a bit. You can use it to animate CGPoints, and CGSize for example. As of iOS 7, you can also use arbitrary time functions with UIView animations. You can check out the results at github.com/jjackson26/JMJParamet...
AngularJS: ng-repeat list is not updated when a model element is spliced from the model array
...er you do some form of operation outside of AngularJS, such as doing an Ajax call with jQuery, or binding an event to an element like you have here you need to let AngularJS know to update itself. Here is the code change you need to do:
app.directive("remove", function () {
return function (sco...
Where do “pure virtual function call” crashes come from?
...base class version, which in the case of a pure virtual function, doesn't exist.
(See live demo here)
class Base
{
public:
Base() { doIt(); } // DON'T DO THIS
virtual void doIt() = 0;
};
void Base::doIt()
{
std::cout<<"Is it fine to call pure virtual function from constructor?...
Hide Utility Class Constructor : Utility classes should not have a public or default constructor
...our code. Additionally, you can make the class final, so that it can't be extended in subclasses, which is a best practice for utility classes. Since you declared only a private constructor, other classes wouldn't be able to extend it anyway, but it is still a best practice to mark the class as fina...
How to clear gradle cache?
...adle cache locates at
On Windows: %USER_HOME%\.gradle/caches/
On Mac/Unix: ~/.gradle/caches/
You can browse to these directory and manually delete it or run
rm -rf $HOME/.gradle/caches/
on Unix system. Run this command will also force to download dependencies.
Update 2: Clear the Android b...
Format numbers to strings in Python
...thon 2.6, there is an alternative: the str.format() method. Here are some examples using the existing string format operator (%):
>>> "Name: %s, age: %d" % ('John', 35)
'Name: John, age: 35'
>>> i = 45
>>> 'dec: %d/oct: %#o/hex: %#X' % (i, i, i)
'dec: 45/oct: 055/hex:...
“:” (colon) in C struct - what does it mean? [duplicate]
...d uses. Here is a quote from MSDN describing bit fields:
The constant-expression specifies the width of the field in bits. The
type-specifier for the declarator must be unsigned int, signed int, or
int, and the constant-expression must be a nonnegative integer value.
If the value is zero, ...