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What is the 'override' keyword in C++ used for? [duplicate]
...explain the latter:
class base
{
public:
virtual int foo(float x) = 0;
};
class derived: public base
{
public:
int foo(float x) override { ... } // OK
}
class derived2: public base
{
public:
int foo(int x) override { ... } // ERROR
};
In derived2 the compiler will issue ...
How long do browsers cache HTTP 301s?
I am debugging a problem with a HTTP 301 Permanent Redirect. After a quick test, it seems that Safari clears its cache of 301s when it is restarted, but Firefox does not.
...
Displaying better error message than “No JSON object could be decoded”
...
+50
I've found that the simplejson module gives more descriptive errors in many cases where the built-in json module is vague. For instanc...
How do you get the index of the current iteration of a foreach loop?
... Neuron
3,54333 gold badges2323 silver badges4040 bronze badges
answered Sep 4 '08 at 1:46
FlySwatFlySwat
155k6666 gold badg...
Java RegEx meta character (.) and ordinary dot?
...
answered Sep 9 '10 at 8:40
Fabian SteegFabian Steeg
41.8k66 gold badges7979 silver badges110110 bronze badges
...
One line if statement not working
...
405
Remove if from if @item.rigged ? "Yes" : "No"
Ternary operator has form condition ? if_true ...
Is it safe to resolve a promise multiple times?
...
120
As I understand promises at present, this should be 100% fine. Only thing to understand is that ...
Collapsing Sidebar with Bootstrap
...) {
.row-offcanvas {
position: relative;
-webkit-transition: all 0.25s ease-out;
-moz-transition: all 0.25s ease-out;
transition: all 0.25s ease-out;
}
.row-offcanvas-right
.sidebar-offcanvas {
right: -41.6%;
}
.row-offcanvas-left
.sidebar-offcanvas {
left: -41...
Timeout for python requests.get entire response
...
+50
What about using eventlet? If you want to timeout the request after 10 seconds, even if data is being received, this snippet will work...
How do I find which rpm package supplies a file I'm looking for?
...age.
sudo yum install yum-utils
repoquery --whatprovides '*bin/grep'
grep-0:2.5.1-55.el5.x86_64
grep-0:2.5.1-55.el5.x86_64
repoquery can do other queries such as listing package contents, dependencies, reverse-dependencies, etc.
...