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Reference: What is variable scope, which variables are accessible from where and what are “undefined
...he variable "$name" in more than one place. If you could only have this unique variable name once in your app, you'd have to resort to really complicated naming schemes to make sure your variables are unique and that you're not changing the wrong variable from the wrong piece of code.
Observe:
fun...
Is there an equivalent to background-size: cover and contain for image elements?
...top: 50%;
transform: translateX(-50%) translateY(-50%) scale(0.1);
z-index: -1;
}
<div class="img-container">
<img class="background-image" src="https://picsum.photos/1024/768/?random">
<p style="padding: 20px; color: white; text-shadow: 0 0 10px black">
Lorem ip...
How do I prompt for Yes/No/Cancel input in a Linux shell script?
... prompt the user for choices.
The standard Yes , No , or Cancel type question.
How do I accomplish this in a typical bash prompt?
...
Get HTML5 localStorage keys
...
You can use the localStorage.key(index) function to return the string representation, where index is the nth object you want to retrieve.
share
|
improve th...
How to fix “Headers already sent” error in PHP
...utput started at /www/usr2345/htdocs/auth.php:52) in
/www/usr2345/htdocs/index.php on line 100
Here "line 100" refers to the script where the header() invocation failed.
The "output started at" note within the parenthesis is more significant.
It denominates the source of previous output. In thi...
Application_Error not firing when customerrors = “On”
... and then those pages respond with a 200 status code. This leads to Google indexing the error pages which is bad. It also isn't very conformant to the HTTP spec. What I wanted to do was not redirect, and overrite the original response with my custom error views.
I tried to change redirectMode="Resp...
Nodejs - Redirect url
...200, {'content-type': 'text/html'});
var rs = fs.createReadStream('index.html');
util.pump(rs, res);
} else {
res.writeHead(404, {'content-type': 'text/html'});
var rs = fs.createReadStream('404.html');
util.pump(rs, res);
}
});
server.listen(8080);
...
Server polling with AngularJS
...
You should be calling the tick function in the callback for query.
function dataCtrl($scope, $timeout, Data) {
$scope.data = [];
(function tick() {
$scope.data = Data.query(function(){
$timeout(tick, 1000);
});
})();
};
...
Updating and committing only a file's permissions using git version control
...ssion (ignoring the 100). We would like to change it to 755:
# git update-index --chmod=+x script.sh
commit the changes
# git commit -m "Changing file permissions"
[master 77b171e] Changing file permissions
0 files changed, 0 insertions(+), 0 deletions(-)
mode change 100644 => 100755 script.s...
Replacing H1 text with a logo image: best method for SEO and accessibility?
...the <span> to the full width and height of the <a> and using z-index to place it above the link text in the stacking order.
The price is one empty <span>, but I'm willing to have it there for something as important as an <h1>.
<h1 id="logo">
<a href="">Stack...