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How can I create a directly-executable cross-platform GUI app using Python?
...The latter is less mature, but can be used for free.
Complete list is at http://wiki.python.org/moin/GuiProgramming
Single executable (all platforms)
PyInstaller - the most active(Could also be used with PyQt)
fbs - if you chose Qt above
Single executable (Windows)
py2exe - used to be the m...
Semi-transparent color layer over background-image?
...
You can also use a linear gradient and an image:
http://codepen.io/anon/pen/RPweox
.background{
background: linear-gradient(rgba(0,0,0,.5), rgba(0,0,0,.5)),
url('http://www.imageurl.com');
}
This is because the linear gradient function creates an Image which is add...
Coalesce function for PHP?
...echo '' ?: 'B';
// B
echo false ?: 'B';
// B
echo null ?: 'B';
Source: http://www.php.net/ChangeLog-5.php#5.3.0
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Set a cookie to never expire
...late the age of the cookie according to the age calculation
rules in the HTTP/1.1 specification [RFC2616]. When the age is
greater than delta-seconds seconds, the client SHOULD discard the
cookie. A value of zero means the cookie SHOULD be discarded
immediately.
and RFC 2616, 14.6 Age:
...
C# elegant way to check if a property's property is null
...x.PropertyC);
This simple extension method and much more you can find on http://devtalk.net/csharp/chained-null-checks-and-the-maybe-monad/
EDIT:
After using it for moment I think the proper name for this method should be IfNotNull() instead of original With().
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How to print out more than 20 items (documents) in MongoDB's shell?
...ow more about what else you can do, I suggest you to look at this article: http://mo.github.io/2017/01/22/mongo-db-tips-and-tricks.html
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Get index of array element faster than O(n)
...')
# get LAST index of element searched
puts array.rindex('a')
index: http://www.ruby-doc.org/core-1.9.3/Array.html#method-i-index
rindex: http://www.ruby-doc.org/core-1.9.3/Array.html#method-i-rindex
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COALESCE Function in TSQL
...sn't NULL.
There's a much more thorough description of the details here
http://www.mssqltips.com/sqlservertip/2689/deciding-between-coalesce-and-isnull-in-sql-server/
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Use a normal link to submit a form
...ry research from whole document to find the right form.
<form action="http://www.greatsolutions.com.br/indexint.htm"
method="get">
<h3> Enter your name</h3>
First Name <input type="text" name="fname" size="30"><br>
Last Name <inp...
How to apply specific CSS rules to Chrome only?
...
CSS Solution
from https://jeffclayton.wordpress.com/2015/08/10/1279/
/* Chrome, Safari, AND NOW ALSO the Edge Browser and Firefox */
@media and (-webkit-min-device-pixel-ratio:0) {
div{top:10;}
}
/* Chrome 29+ */
@media screen and (-webki...