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How do I check if file exists in jQuery or pure JavaScript?
... image
function imgError()
{
alert('The image could not be loaded.');
}
HTML:
<img src="image.gif" onerror="imgError()" />
http://wap.w3schools.com/jsref/event_onerror.asp
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improv...
Image Greyscale with CSS & re-color on mouse-over?
...
Answered here: Convert an image to grayscale in HTML/CSS
You don't even need to use two images which sounds like a pain or an image manipulation library, you can do it with cross browser support (current versions) and just use CSS. This is a progressive enhancement appro...
Convert Bitmap to File
...te to a file. See developer.android.com/reference/java/io/FileOutputStream.html
– Torid
Oct 14 '11 at 17:08
i don't re...
How to change tab size on GitHub?
... = true
# Matches multiple files with brace expansion notation
[*.{js,jsx,html,sass}]
charset = utf-8
indent_style = tab
indent_size = 4
trim_trailing_whitespace = true
[*.md]
trim_trailing_whitespace = false
Change how you see tabs on other repositories
Install Stylus in your browser, than ins...
Converting int to bytes in Python 3
... byteorder='big')
b'\x04\x00'
https://docs.python.org/3/library/stdtypes.html#int.to_bytes
def int_to_bytes(x: int) -> bytes:
return x.to_bytes((x.bit_length() + 7) // 8, 'big')
def int_from_bytes(xbytes: bytes) -> int:
return int.from_bytes(xbytes, 'big')
Accordingly, x == int_f...
Setting Environment Variables for Node to retrieve
...ug library: env DEBUG='*' node some_file.js fishshell.com/docs/current/faq.html#faq-single-env
– SilentSteel
Oct 22 '14 at 15:21
1
...
C# Regex for Guid
...port conditionals. (source http://www.regular-expressions.info/conditional.html)
The regex that follows Will match
{123}
(123)
123
And will not match
{123)
(123}
{123
(123
123}
123)
Regex:
^({)?(\()?\d+(?(1)})(?(2)\))$
The solutions is simplified to match only numbers to show in a more cle...
Javascript AES encryption [closed]
...
I see one valid use-case - HTML 5 app in which all files are stored localy. If local files can be hijacked then your doomed in any case ;-).
– Nux
Jan 9 '12 at 23:18
...
Error “can't use subversion command line client : svn” when opening android project checked out from
....8.13 ( 1.8 ) client
Download link (https://subversion.apache.org/packages.html)
at the time of this post the android studio version is less than 1.4
in my case 1.3.2 so you must avoid the issues here subversion command line client version is too old so just download the 1.8 preferably.
Then unzi...
How to vertically center a div for all browsers?
...ify-content: center;
height: 100%;
background:green;
}
body, html{
height:100%;
}
<div class="container">
<div>Div to be aligned vertically</div>
</div>
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