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What is __init__.py for?
...make two blank files, the init.py file (with underscores) and datetime.py. Now open an interpreter, import sys, and issue sys.path.insert(0, '/path/to/datetime'), replacing that path with the path to whatever directory you just made. Now try something like from datetime import datetime;datetime.now(...
C++ equivalent of java's instanceof
...seClass>(ptr)) { ... }
However, this purely operates on the types as known by the compiler.
Edit:
This code should work for polymorphic pointers:
template<typename Base, typename T>
inline bool instanceof(const T *ptr) {
return dynamic_cast<const Base*>(ptr) != nullptr;
}
E...
Get User's Current Location / Coordinates
... Step by step answer. But please update it. Its not working for now.
– Dheeraj D
Oct 13 '17 at 5:16
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JavaScript: Check if mouse button down?
...ks more than one button intentionally or accidentally. Don't ask me how I know :-(.
The correct code should be like that:
var mouseDown = 0;
document.body.onmousedown = function() {
++mouseDown;
}
document.body.onmouseup = function() {
--mouseDown;
}
With the test like this:
if(mouseDown){...
How to avoid having class data shared among instances?
...f.x
A change method sets self.temp
Pretty straight forward so far yeah? Now let's start playing around with this class. Let's initialize this class first:
a = A('Tesseract')
Now do the following:
>>> print(a.temp)
Skyharbor
>>> print(A.temp)
Skyharbor
Well, a.temp worked ...
Install dependencies globally and locally using package.json
...abel locally
Then in package.json:
// devDependencies has mocha and babel now
"scripts": {
"test": "mocha",
"build": "babel -d lib src",
"prepublish": "babel -d lib src"
}
Then at your command prompt you can run:
npm run build # finds babel
npm test # finds mocha
npm publish # will run bab...
C++11 introduced a standardized memory model. What does it mean? And how is it going to affect C++ p
...n any system with a compliant C++ compiler, whether today or 50 years from now.
The abstract machine in the C++98/C++03 specification is fundamentally single-threaded. So it is not possible to write multi-threaded C++ code that is "fully portable" with respect to the spec. The spec does not even ...
How do I view / replay a chrome network debugger har file saved with content?
...onal data.. I personally wouldn't upload a HAR to somebody else's server.. now if it was sent to me by a client I suppose that would be different story.. oh wait, no it would not.
– nothingisnecessary
Nov 22 '17 at 16:19
...
Android Studio - How to increase Allocated Heap Size
I've been using Android Studio for 3 months now and one of the apps I started on it has become fairly large. The memory usage indicated at the bottom right of the program says my allocated heap is maxed at 494M.
...
Does Typescript support the ?. operator? (And, what's it called?)
...mentation can be non-breaking in the future. If they implemented something now, it would end up needing major changes if ECMAScript redefine their specification.
See Optional Chaining Specification
Where something is never going to be standard JavaScript, the TypeScript team can implement as they ...