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How do I assign an alias to a function name in C++?
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There are different approaches:
With C++11 with non-template non-overloaded functions you can simply use:
const auto& new_fn_name = old_fn_name;
If this function has multiple overloads you should use static_cast:
const auto&...
How to define a circle shape in an Android XML drawable file?
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No need for the size in the shape if you later define a square size for the view.
– Ferran Maylinch
Nov 25 '15 at 17:58
2
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Fastest way to duplicate an array in JavaScript - slice vs. 'for' loop
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Sadly for short arrays the answer is vastly different. For example cloning an array of listeners before calling each of them. Those arrays are often small, usually 1 element.
– gman
Feb 13 '15 at 2:05
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Is it possible to break a long line to multiple lines in Python [duplicate]
...e C, you can break a long line into multiple short lines. But in Python , if I do this, there will be an indent error... Is it possible?
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Pure virtual function with implementation
...tation. A derived class can explicitly call the base class implementation (if access permissions allow it) by using a fully-scoped name (by calling A::f() in your example - if A::f() were public or protected). Something like:
class B : public A {
virtual void f() {
// class B doesn't ...
Set time part of DateTime in ruby
Say I have a datetime object eg DateTime.now . I want to set hours and minutes to 0 (midnight). How can I do that?
4 Ans...
TCPServer TCP服务器扩展：在Android设备上创建TCP服务器 · App Inventor 2 中文网
...鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + 'px'; element.style.top = (e.clientY - offsetY) + 'px'; }; // 鼠标释放时停止拖动 document.onmouseup = function(...
What is the difference between ng-app and data-ng-app?
I have begun to learn about AngularJS and am confused about what the differences are between the ng-app and data-ng-app directives.
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Android studio: new project vs new module
...p, and one module per library and per test app.
There are multiple issues if you try to build multiple apps within the same project. It's possible, but if you try (like I did), you will see that almost everything is designed to work with a single app per project.
For example, there is an option ...
How to measure time taken by a function to execute
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Using performance.now():
var t0 = performance.now()
doSomething() // <---- The function you're measuring time for
var t1 = performance.now()
console.log("Call to doSomething took " + (t1 - t0) + " milliseconds.")
NodeJs: it is re...