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Why use the params keyword?
...red Sep 28 '11 at 8:24
Konrad RudolphKonrad Rudolph
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Android: how to draw a border to a LinearLayout
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Do you really need to do that programmatically?
Just considering the title: You could use a ShapeDrawable as android:background…
For example, let's define res/drawable/my_custom_background.xml as:
<shape xmlns:android...
How to detect user inactivity in Android
User start my app and logs in.
Selects Session Timeout to be 5 mins.
Does some operations on the app. (all in foreground)
Now User bring Myapp to background and starts some other app.
----> Count down timer starts and logs out user after 5 mins
OR user turns the screen OFF.
----> Cou...
How to use background thread in swift?
...tead use Int(QOS_CLASS_BACKGROUND.value).
For more information see Apples documentation
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How do I make a transparent border with CSS?
... answered Mar 24 '10 at 10:30
DouglasDouglas
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Inherit docstrings in Python class inheritance
I'm trying to do some class inheritance in Python. I'd like each class and inherited class to have good docstrings. So I think for the inherited class, I'd like it to:
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(How) can I count the items in an enum?
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There's not really a good way to do this, usually you see an extra item in the enum, i.e.
enum foobar {foo, bar, baz, quz, FOOBAR_NR_ITEMS};
So then you can do:
int fuz[FOOBAR_NR_ITEMS];
Still not very nice though.
But of course you do realize that ju...
Is it safe to get values from a java.util.HashMap from multiple threads (no modification)?
...ng thread is free to see a partially constructed map. This can pretty much do anything and even in practice it does things like put the reading thread into an infinite loop.
To safely publish the map, you need to establish a happens-before relationship between the writing of the reference to the Ha...
“Could not find bundler” error
When I try to do bundler update I get this error:
15 Answers
15
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Performance difference for control structures 'for' and 'foreach' in C#
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Whether it's in any way significant or not will depend on whether you're doing any real work in the loop. In almost all cases, the difference to performance won't be significant, but the difference to readability favours the foreach loop.
I'd personally use LINQ to avoid the "if" too:
foreach (v...