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How do I test if a string is empty in Objective-C?
...here is a character in it. It's just not printable following the Unicode standard.
– bmeulmeester
Jun 18 '14 at 10:40
2
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Android notification is not showing
I need a program that will add a notification on Android. And when someone clicks on the notification, it should lead them to my second activity.
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How to make the corners of a button round?
...e the corners of a button round. Is there an easy way to achieve this in Android?
13 Answers
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Responding with a JSON object in Node.js (converting object/array to JSON string)
I'm a newb to back-end code and I'm trying to create a function that will respond to me a JSON string. I currently have this from an example
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Android ListView Divider
...why you should use 1px instead of 1dp or 1dip: if you specify 1dp or 1dip, Android will scale that down. On a 120dpi device, that becomes something like 0.75px translated, which rounds to 0. On some devices, that translates to 2-3 pixels, and it usually looks ugly or sloppy
For dividers, 1px is the...
How do I apply a CSS class to Html.ActionLink in ASP.NET MVC?
I'm building an ASP.NET MVC application, using VB.NET and I'm trying to apply a css class to a Html.ActionLink using the code:
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How To Save Canvas As An Image With canvas.toDataURL()?
I'm currently building a HTML5 web app/Phonegap native app and I can't seem to figure out how to save my canvas as an image with canvas.toDataURL() . Can somebody help me out?
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Passing parameters to addTarget:action:forControlEvents
...etails:)
With 2 parameters indicating the control that sends the message and the event that triggered the message:
action:@selector(switchToNewsDetails:event:)
It is not clear what exactly you try to do, but considering you want to assign a specific details index to each button you can do the...
How to get index of object by its property in JavaScript?
...e array is probably the best way. But I would put it in it's own function, and make it a little more abstract:
function findWithAttr(array, attr, value) {
for(var i = 0; i < array.length; i += 1) {
if(array[i][attr] === value) {
return i;
}
}
return -1;
}
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How to use ssh agent forwarding with “vagrant ssh”?
...onfig.ssh.forward_agent to TRUE in the Vagrantfile, then rebooted the VM, and tried using:
9 Answers
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