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Getting the name of a child class in the parent class (static context)
... simplicity in mind; everything goes fine except that I got stuck by a stupid inheritance limitation. Please consider the code below:
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How do I test if a string is empty in Objective-C?
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You can check if [string length] == 0. This will check if it's a valid but empty string (@"") as well as if it's nil, since calling length on nil will also return 0.
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Get the value of checked checkbox?
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@Mageek it's bad practice to add same id on multiple elements.
– Engineer
Jul 22 '12 at 11:11
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How to make the corners of a button round?
... corners of a button round. Is there an easy way to achieve this in Android?
13 Answers
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Can you change a path without reloading the controller in AngularJS?
...answers it doesn't look good. I'd like to ask with this sample code in consideration...
12 Answers
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Prevent Bootstrap Modal from disappearing when clicking outside or pressing escape? [duplicate]
...ndow, and would like to prevent the user from closing it when clicking outside of the modal or when pressing escape. Instead, I want it to be closed when the user presses the finish button. How could I achieve this scenario?
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How to create a custom-shaped bitmap marker with Android map API v2 [duplicate]
I am developing an Android Application where I'm using Google Map API v2. I need to show the user location on a map with custom markers.
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How to check if a process id (PID) exists
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To check for the existence of a process, use
kill -0 $pid
But just as @unwind said, if you're going to kill it anyway, just
kill $pid
or you will have a race condition.
If you want to ignore the text output of kill and do something based on the exit code, you can
if ! kill...
Node.js + Express: Routes vs controller
...e in general) is it doesn't push a lot of opinions on you; one of the downsides is it doesn't push any opinions on you. Thus, you are free (and required!) to set up any such opinions (patterns) on your own.
In the case of Express, you can definitely use an MVC pattern, and a route handler can certa...
Check if property has attribute
...credit to Aaronaught):
var t = typeof(YourClass);
var pi = t.GetProperty("Id");
var hasIsIdentity = Attribute.IsDefined(pi, typeof(IsIdentity));
If you need to retrieve attribute properties then
var t = typeof(YourClass);
var pi = t.GetProperty("Id");
var attr = (IsIdentity[])pi.GetCustomAttribu...