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Iterating through a Collection, avoiding ConcurrentModificationException when removing objects in a
...ile the iteration is in progress.
Source: docs.oracle > The Collection Interface
And similarly, if you have a ListIterator and want to add items, you can use ListIterator#add, for the same reason you can use Iterator#remove — it's designed to allow it.
In your case you tried to remove f...
Detect if Android device has Internet connection
I need to tell if my device has Internet connection or not. I found many answers like:
15 Answers
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Checking if a list is empty with LINQ
What's the "best" (taking both speed and readability into account) way to determine if a list is empty? Even if the list is of type IEnumerable<T> and doesn't have a Count property.
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Why does C# forbid generic attribute types?
...g discussed, and the 13K views on this question implies a healthy level of interest. Also: thanks for getting an authoritative answer, Jon.
– Jordan Gray
Jan 29 '13 at 11:51
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How do you force a makefile to rebuild a target
...so it creates all the '.o' again. then the linker links all of the .o file int one executable output
Good luck
Cross-Domain Cookies
...Of course, it's not completely secure, and you have to create some kind of internal protocol between your apps to do that.
Lastly, it would be very annoying for the user if you do something like that in every request, but not if it's just the first.
But I think there is no other way...
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Is there a combination of “LIKE” and “IN” in SQL?
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Hi, with Oracle, you need to build plaintext indexes on the columns you want to apply "CONTAINS" operator. Depending of your data volume this could be quite long.
– Pierre-Gilles Levallois
Aug 21 '12 at 13:49
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How big can a MySQL database get before performance starts to degrade
At what point does a MySQL database start to lose performance?
15 Answers
15
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How can you get the Manifest Version number from the App's (Layout) XML variables?
...getPackageManager().getPackageInfo(getPackageName(), 0).versionName;
OR
int versionCode = getPackageManager().getPackageInfo(getPackageName(), 0).versionCode;
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Why doesn't java.lang.Number implement Comparable? [duplicate]
...s worth mentioning that the following expression:
new Long(10).equals(new Integer(10))
is always false, which tends to trip everyone up at some point or another. So not only can you not compare arbitrary Numbers but you can't even determine if they're equal or not.
Also, with the real primitive...