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@synthesize vs @dynamic, what are the differences?
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I was getting NSUnknownKeyException errors with my dynamic property when I removed the @synthesize line (Xcode 3.2 was giving me an error b/c I had no matching ivar for my @property). Adding @dynamic fixed the issue - compiles and runs fine no...
Kill detached screen session [closed]
...screens directory will not have the 26727.pts-0.devxxx file in it anymore. Now to make sure just type this:
screen -ls
and you should get:
No Sockets found in /tmp/uscreens/S-xxx.
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Detect if device is iOS
...MacOS seems possible, so all answers below needs to take that into account now.
This might be the shortest alternative that also covers iOS 13:
function iOS() {
return [
'iPad Simulator',
'iPhone Simulator',
'iPod Simulator',
'iPad',
'iPhone',
'iPod'
].includes(navigator....
Install tkinter for Python
... installation directory - and it should work. It worked for me - and I can now import Tkinter etc to my heart's content - yipidy-yay. An entire afternoon spent on this - hope this note saves others from the pain.
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How to attribute a single commit to multiple developers?
...hors or signing groups (the old method) you would see it's not signed and know that you can't trust the commit. However, there is no signing process on co-authors.
Mostly outdated answer:
One solution would be to set a name for the pair:
git config user.name "Chris Wilson and John Smith"
Here is a...
Best way to remove an event handler in jQuery?
...ut the preferred method is using the on()/off() functions. The below would now be,
$('#myimage').click(function() { return false; }); // Adds another click event
$('#myimage').off('click');
$('#myimage').on('click.mynamespace', function() { /* Do stuff */ });
$('#myimage').off('click.mynamespace');...
Determine font color based on background color
... + 0.587 * $green + 0.114 * $blue ) / 255;
@return ( $l < 0.5 );
}
Now figuring out how to use the algorithm to auto-create hover colors for menu links. Light headers get a darker hover, and vice-versa.
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Most efficient way to prepend a value to an array
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With ES6, you can now use the spread operator to create a new array with your new elements inserted before the original elements.
// Prepend a single item.
const a = [1, 2, 3];
console.log([0, ...a]);
// Prepend an array.
co...
Combating AngularJS executing controller twice
...xecuted twice. All I did was remove the ng-controller in the template and now its only executing once.
– torbenrudgaard
May 20 '17 at 7:35
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How to delete a specific line in a file?
...ng along the line as it's read. Once that line has been read the cursor is now past it. When you try to write into the file you write where the cursor currently is. By re-opening the file you reset the cursor.
– Waddas
Aug 6 '14 at 20:48
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