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Dilemma: when to use Fragments vs Activities:
I know that Activities are designed to represent a single screen of my application, while Fragments are designed to be reusable UI layouts with logic embedded inside of them.
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How to get the last character of a string in a shell?
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I know this is a very old thread, but no one mentioned which to me is the cleanest answer:
echo -n $str | tail -c 1
Note the -n is just so the echo doesn't include a newline at the end.
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Why does “return list.sort()” return None, not the list?
...ch of these calls acts on the same
object, and so even if you don't know the class and its methods very
well, you can understand that the second and third call are applied to
x (and that all calls are made for their side-effects), and not to
something else.
I'd like to r...
minimize app to system tray
... disable the NotifyIcon object by setting its
Visible property to false. Now, you want the window to reappear when
you double click on the NotifyIcon object in the taskbar. For this,
handle the NotifyIcon’s MouseDoubleClick event. Here, you show the
form using the Show() method.
private ...
How to determine a Python variable's type?
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I had to double take when I saw this. Java SE8 now contains unsigned integers, and I've developed so much with it that it seems sinful that Java never had unsigned integers before SE8.
– dddJewelsbbb
Nov 26 '18 at 15:39
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Determine device (iPhone, iPod Touch) with iOS
...om/1323251
UPDATE (01/14/11)
Obviously, this code is a bit out of date by now, but it can certainly be updated using the code on this thread provided by Brian Robbins which includes similar code with updated models. Thanks for the support on this thread.
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Changing specific text's color using NSMutableAttributedString in Swift
...the title question:
To change the colour of a length of text you need to know the start and end index of the coloured-to-be characters in the string e.g.
var main_string = "Hello World"
var string_to_color = "World"
var range = (main_string as NSString).rangeOfString(string_to_color)
Then you c...
event.preventDefault() vs. return false
...rning false from an event handler wasn't specced as doing anything at all. Now, maybe that's an incorrect interpretation of the (hard to understand) spec, or maybe despite it not being specced literally all the browsers interpreted return false the same as event.preventDefault(). But I dunno; it's e...
Get Insert Statement for existing row in MySQL
... if you get the error mysqldump: Couldn't execute 'SELECT @@GTID_MODE': Unknown system variable 'GTID_MODE' (1193) gist.github.com/arun057/5556563
– Daniel Schaffer
Jul 12 '13 at 22:39
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JSON formatter in C#?
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I updated the old version, now it should support unquoted values such as integers and booleans.
I refactored the previous version and got the final version:
The code is shorter and cleaner. Only require one extension method. The most important: fixed ...