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Check image width and height before upload with Javascript
...bjectURL(file);
img.onload = function () {
alert(this.width + " " + this.height);
_URL.revokeObjectURL(objectUrl);
};
img.src = objectUrl;
}
});
Demo: http://jsfiddle.net/4N6D9/1/
I take it you realize this is only supported in a few browsers. M...
Best explanation for languages without null
...at every Person has a FirstName and a LastName, but only some people have MiddleNames, then I would like to say something like
class Person
private string FirstName
private Option<string> MiddleName
private string LastName
where string here is assumed to be a non-nullable type. ...
Split function equivalent in T-SQL?
...er). The b+1 makes a big difference. Tested here with space as delimiter, didn't work without this fix.
– JwJosefy
Dec 19 '16 at 17:47
...
Copy / Put text on the clipboard with FireFox, Safari and Chrome
...text. You can select a textArea or input field using
document.getElementById('myText').select();
To invisibly copy text you can quickly generate a textArea, modify the text in the box, select it, copy it, and then delete the textArea. In most cases this textArea wont even flash onto the screen.
...
JavaScript: Create and save file [duplicate]
...all browsers, but it has to work in Chrome. I want to do this all client-side.
13 Answers
...
Is there a way to “autosign” commits in Git with a GPG key?
...number of commits being signed. It may be convenient to use an agent to avoid typing your GPG passphrase several times.
That config is usually set per repo (you don't need to sign your private experimental local repos):
cd /path/to/repo/needing/gpg/signature
git config commit.gpgsign true
You...
cURL equivalent in Node.js?
... can you use the -L option somehow?
– corvid
May 10 '15 at 2:39
2
Yes: CURLOPT_FOLLOWL...
How do I pull my project from github?
...lone git@github.com:username/repo.git
Update:
And this is the official guide:
https://help.github.com/articles/fork-a-repo
Take a look at:
https://help.github.com/
It has really useful content
share
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...
How do sessions work in Express.js with Node.js?
...en tampered with, so if you try and change a value the cookie will be invalid)
The session data, as opposed to some frameworks (e.g. Play Framework!) is held on the server, so the cookie is more like a placeholder for the session than a holder of actual session data.
From here, it looks like this se...
Do C# Timers elapse on a separate thread?
...
For System.Timers.Timer:
See Brian Gideon's answer below
For System.Threading.Timer:
MSDN Documentation on Timers states:
The System.Threading.Timer class makes
callbacks on a ThreadPool thread and
does not use the event model at all.
So indeed the ...