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Accessing JPEG EXIF rotation data in JavaScript on the client side
...readAsArrayBuffer(file);
}
// usage:
var input = document.getElementById('input');
input.onchange = function(e) {
getOrientation(input.files[0], function(orientation) {
alert('orientation: ' + orientation);
});
}
<input id='input' type='file' />
values:
-2: n...
Strip html from string Ruby on Rails
... html from a string using sanitize or equal method and keep only text inside value attribute on input tag?
6 Answers
...
How to log out user from web site using BASIC authentication?
...irst 401, Chrome reverts back to the old (correct) password. So it really didn't delete the password in the first place it seems.
– vancan1ty
Jan 8 '16 at 22:10
...
Delete all local changesets and revert to tree
... the large fixes above, very simple, thank you!
– David C
Jul 22 '11 at 15:23
3
If anyone has pro...
What does $.when.apply($, someArray) do?
...a parameter to the function. .apply can also change the context (this) inside a function.
So, let's take $.when. It's used to say "when all these promises are resolved... do something". It takes an infinite (variable) number of parameters.
In your case, you have an array of promises; you don't ...
Best way to check if a Data Table has a null value in it
...
I will do like....
(!DBNull.Value.Equals(dataSet.Tables[6].Rows[0]["_id"]))
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Why is null an object and what's the difference between null and undefined?
Why is null considered an object in JavaScript?
21 Answers
21
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Bash script processing limited number of commands in parallel
...ed before starting the next set.
From the GNU manual:
wait [jobspec or pid ...]
Wait until the child process specified by each process ID pid or job specification jobspec exits and return the exit status of the last
command waited for. If a job spec is given, all processes in the job
ar...
Hiding elements in responsive layout?
...
Extra small devices
Phones (<768px) (Class names : .visible-xs-block, hidden-xs)
Small devices
Tablets (≥768px) (Class names : .visible-sm-block, hidden-sm)
Medium devices
Desktops (≥992px) (Class names : .visible-md-block, hidden-md)
Large devices
Desktops (≥1200px) (Class names : .vis...
What CSS selector can be used to select the first div within another div
... H1 is always going to be there, then
div h1+div {...}
but don't be afraid to specify the id of the content div:
#content h1+div {...}
That's about as good as you can get cross-browser right now without resorting to a JavaScript library like jQuery. Using h1+div ensures that only the first div...