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What is the meaning of polyfills in HTML5?
...port CSS3 techniques you want).
Here's a good post:
http://remysharp.com/2010/10/08/what-is-a-polyfill/
Here's a comprehensive list of Polyfills and Shims:
https://github.com/Modernizr/Modernizr/wiki/HTML5-Cross-browser-Polyfills
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How to Turn Off Showing Whitespace Characters in Visual Studio IDE
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edited Sep 27 '17 at 22:34
Mwiza
3,67822 gold badges2727 silver badges2626 bronze badges
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Check if a string matches a regex in Bash script
...amp; echo "yes"
Or more a accurate test:
[[ $date =~ ^[0-9]{4}(0[1-9]|1[0-2])(0[1-9]|[1-2][0-9]|3[0-1])$ ]] && echo "yes"
# |^^^^^^^^ ^^^^^^ ^^^^^^ ^^^^^^ ^^^^^^^^^^ ^^^^^^ |
# | | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ |
# | | | ...
Python memory usage of numpy arrays
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246
You can use array.nbytes for numpy arrays, for example:
>>> import numpy as np
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php: determine where function was called from
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129
You can use debug_backtrace().
Example:
<?php
function epic( $a, $b )
{
fail( $a . ' ...
How to parse a query string into a NameValueCollection in .NET
I would like to parse a string such as p1=6&p2=7&p3=8 into a NameValueCollection .
19 Answers
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Persistent invalid graphics state error when using ggplot2
...n't get reset. This worked for me and it's simpler than reinstalling ggplot2.
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Declaration/definition of variables locations in ObjectiveC?
...d properties can be declared.
Before "modern" Objective-C (in "old" Obj-C 2.0) you didn't have a lot of choices. Instance variables used to be declared in the header between the curly brackets { }:
// MyClass.h
@interface MyClass : NSObject {
int myVar;
}
@end
You were able to access these v...
__lt__ instead of __cmp__
Python 2.x has two ways to overload comparison operators, __cmp__ or the "rich comparison operators" such as __lt__ . The rich comparison overloads are said to be preferred, but why is this so?
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Bash syntax error: unexpected end of file
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I think file.sh is with CRLF line terminators.
run
dos2unix file.sh
then the problem will be fixed.
You can install dos2unix in ubuntu with this:
sudo apt-get install dos2unix
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