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Convert an image to grayscale in HTML/CSS
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Support for CSS filters has landed in Webkit. So we now have a cross-browser solution.
img {
filter: gray; /* IE6-9 */
-webkit-filter: grayscale(1); /* Google Chrome, Safari 6+ & Opera 15+ */
filter: grayscale(1); /* Microsoft Edge and Firefox 35+ */
}
/*...
Why isn't SQL ANSI-92 standard better adopted over ANSI-89?
...ed, it's about time people start using it! And all brands of SQL database now support it, so there's no reason to continue to use the nonstandard (+) Oracle syntax or *= Microsoft/Sybase syntax.
As for why it's so hard to break the developer community of the SQL-89 habit, I can only assume that th...
Can two applications listen to the same port?
... requests coming from a certain IP and the other to another remote IP?
I know I can have one application that starts off two threads (or forks) to have similar behavior, but can two applications that have nothing in common do the same?
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Interface vs Abstract Class (general OO)
... seems they are waiting for me to mention something specific, and I don't know what it is.
35 Answers
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How do you stash an untracked file?
...include-untracked
More details:
Update 17 May 2018:
New versions of git now have git stash --all which stashes all files, including untracked and ignored files.
git stash --include-untracked no longer touches ignored files (tested on git 2.16.2).
Original answer below:
Warning, doing this will ...
What is a non-capturing group in regular expressions?
...tp://stackoverflow.com/
https://stackoverflow.com/questions/tagged/regex
Now, if I apply the regex below over it...
(https?|ftp)://([^/\r\n]+)(/[^\r\n]*)?
... I would get the following result:
Match "http://stackoverflow.com/"
Group 1: "http"
Group 2: "stackoverflow.com"
Group 3...
What is the difference between location list and quickfix list in vim
...us to move through those lists without opening the associated windows and knowing the difference between those lists is key to using those commands efficiently.
Hands-on illustrated example:
Do :lvim foo % in foo.txt to create a location list for the window containing foo.txt.
Do :lne a few ti...
How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)
... But, i has no effect, when I restarting Unicorn. The only way, that works now, is pasting it directly to secrets.yml
– AntonAL
Nov 17 '14 at 20:37
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ListView item background via custom selector
...ppen, I don't even want to talk about it, if you have such a problem, you know them.
Now, If you want to have a listview with different states and 9-patch drawables (it would work with any drawables and colors, I think) you have to do 2 things:
Set the selector for the items in the list.
Get rid ...
What is the main difference between Inheritance and Polymorphism?
...s just wondering what the MAIN difference was for my own piece of mind. I know there are a number of similar questions to this but, none I have seen which provide a definitive answer.
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