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What is object slicing?
... add an execution example when passing objects by value vs by reference:
#include <iostream>
using namespace std;
// Base class
class A {
public:
A() {}
A(const A& a) {
cout << "'A' copy constructor" << endl;
}
virtual void run() const { cout <<...
Shall we always use [unowned self] inside closure in Swift
...have a strong reference cycle between the closure and the class. This also includes if the class owns something that owns the closure.
Specifically in the example from the video
In the example on the slide, TempNotifier owns the closure through the onChange member variable. If they did not declare...
Bootstrap 3 Slide in Menu / Navbar on Mobile [closed]
...
This works beautifully thank you! I included the css and js as separate files in my code and even call this via requirejs. I only had to make minimal modifications to my existing bootstrap navigation markup. You have made an exceedingly complex task trivial and...
Single script to run in both Windows batch and Linux Bash?
...unix will work (only tested with bash). Because I cannot think of a way to include a shebang without making cmd complain loudly, you must always invoke the script via shell. I.e., be sure to use execlp() or execvp() (I think system() does this the “right” way for you) rather than execl() or exec...
Custom Adapter for List View
...the reference for BaseAdapter and try to understand what each method does (including the inherited ones) and when/how to use it.
Also, Google is your friend :).
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Why does my JavaScript code receive a “No 'Access-Control-Allow-Origin' header is present on the req
...; you have first to install flask-cors
$ pip install -U flask-cors
Then include the Flask cors in your application.
from flask_cors import CORS
A simple application will look like:
from flask import Flask
from flask_cors import CORS
app = Flask(__name__)
CORS(app)
@app.route("/")
def helloW...
What is PECS (Producer Extends Consumer Super)?
... interpreted as "? B extends". It's something that B extends so that would include all the super classes of B up to Object, excluding B itself. Thanks for the code!
– Saurabh Patil
May 30 '16 at 3:47
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When to use MongoDB or other document oriented database systems? [closed]
...vector-grafics. We started with MySQL as the database backend and recently included MongoDB for storing all meta-information of the files, because MongoDB better fits the requirements. For example: photos may have Exif information, videos may have audio-tracks where we to want to store the meta-...
How to split text without spaces into list of words?
...are minor. This returns a list rather than a str, it works in python3, it includes the word list and properly splits even if there are non-alpha chars (like underscores, dashes, etc).
Thanks again to Generic Human!
https://github.com/keredson/wordninja
...
What does FETCH_HEAD in Git mean?
...scm.com/docs/git-fetch))</sup> to write the file.
fetch-options now includes in its man page:
--[no-]write-fetch-head
Write the list of remote refs fetched in the FETCH_HEAD file directly under $GIT_DIR.
This is the default.
Passing --no-write-fetch-head from the command line tells
Git not t...