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__proto__ VS. prototype in JavaScript
...e chain. Car.prototype is not a temporary object. It is the object that is set as the value of the __proto__ property of any new objects made using Car as a constructor. If you want to think of anything as a blueprint object, think of Car as a blueprint for new car-objects.
– s...
How can I wrap text in a label using WPF?
...
...and set IsReadOnly="true" to mimic a Label :)
– JulianM
Nov 23 '11 at 1:34
7
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Allowed characters in Linux environment variable names
... the value shall
be composed of characters from the
portable character set (except NUL
and as indicated below).
So names may contain any character except = and NUL, but:
Environment variable names used by the utilities in the Shell and
Utilities volume of IEEE Std
1003.1-2001 consist...
Create subdomains on the fly with .htaccess (PHP)
...riate data
The long version
1. Create a wildcard DNS entry
In your DNS settings you need to create a wildcard domain entry such as *.example.org. A wildcard entry looks like this:
*.example.org. 3600 A 127.0.0.1
2. Include the wildcard in vhost
Next up in the Apache configuration you nee...
Base64: What is the worst possible increase in space usage?
...
Base64 encodes each set of three bytes into four bytes. In addition the output is padded to always be a multiple of four.
This means that the size of the base-64 representation of a string of size n is:
ceil(n / 3) * 4
So, for a 16kB array, ...
Weighted random numbers
...#include <type_traits>
#include <cassert>
int main()
{
// Set up distribution
double interval[] = {1, 2, 3, 4};
double weights[] = { .90, .56, .04};
std::piecewise_constant_distribution<> dist(std::begin(interval),
...
How to test multiple variables against a value?
...uple:
if 1 in (x, y, z):
or better still:
if 1 in {x, y, z}:
using a set to take advantage of the constant-cost membership test (in takes a fixed amount of time whatever the left-hand operand is).
When you use or, python sees each side of the operator as separate expressions. The expression x...
Replace all 0 values to NA
... or cor, that is actually equivalent to first replacing zeroes with NA and setting the value of use as "complete.obs". Typically, however, this is unsatisfactory as it leads to extra information loss.
2. Instead of running some sort of loop, in the solution I use df == 0 vectorization. df == 0 retu...
Automatically add newline at end of curl response body
...L><HEAD><meta http-equiv="content-type" content="text/html;charset=utf-8">
<TITLE>302 Moved</TITLE></HEAD><BODY>
<H1>302 Moved</H1>
The document has moved
<A HREF="https://www.google.co.uk/?gfe_rd=cr&amp;ei=FW">here</A>.
</BODY>...
Export database schema into SQL file
...
In the picture you can see. In the set script options, choose the last option: Types of data to script you click at the right side and you choose what you want.
This is the option you should choose to export a schema and data
...