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__proto__ VS. prototype in JavaScript
...nstructor is nothing but the function a itself
and __proto__ points to the root level Object of JavaScript.
Let us see what happens when we use a function with new key word.
var b = new a ('JavaScript');
When JavaScript executes this code it does 4 things:
It creates a new object, an empty obj...
How to store a git config as part of the repository?
...er in .git/config you should save it in .gitconfig file in your repository root:
your-repo/
│
├── .git/
│ ├── config
│
├── .gitconfig
│
Create the .gitconfig with your filter and commit the changes. Then your colleagues will always keep it updated -- but they will have...
What is the difference between float and double?
...a quadratic equation: x2 − 4.0000000 x + 3.9999999 = 0, the exact roots to 10 significant digits are, r1 = 2.000316228 and r2 = 1.999683772.
Using float and double, we can write a test program:
#include <stdio.h>
#include <math.h>
void dbl_solve(double a, double b, double...
Pass data to layout that are common to all pages
...ting from scratch, you may chose to derive all your models from the common root instead.
– DenNukem
Sep 23 '15 at 23:08
5
...
Should I use multiplication or division?
...by the way, it's fun. But fun != readable)
Premature optimization is the root of all evil. Always remember the three rules of optimization!
Don't optimize.
If you are an expert, see rule #1
If you are an expert and can justify the need, then use the following procedure:
Code it unoptimized
de...
How does “cat
...nyway: I had the need to create a config file in a directory that required root rights.
The following does not work for that case:
$ sudo cat <<EOF >/etc/somedir/foo.conf
# my config file
foo=bar
EOF
because the redirection is handled outside of the sudo context.
I ended up using this ...
Drag and drop files into WPF
...
I used a Grid as root element, with a Border inside with the Background property set to something (white is fine, but not transparent). Inside the Border I put the actual content.
– mcont
Jan 27 '15 at 1...
Determine command line working directory when running node bin script
...s desirable to run an NPM script in the current directory, rather than the root of the project.
This variable is available inside npm package scripts as:
$INIT_CWD.
You must be running a recent version of NPM. If this variable is not available, make sure NPM is up to date.
This will allow you a...
What is difference between XML Schema and DTD?
..."UTF-8"?>
<!DOCTYPE university[ // --> university as root element
<!ELEMENT university (student*)> // --> university has * = Multiple students
<!ELEMENT student (name,year)> // --> Student has elements name and year
<!ELEMENT name (#PCDATA)> ...
android webview geolocation
...private final int PAGE_REDIRECTED = 0x2;
private CoordinatorLayout rootView;
private WebView webView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_webview)...