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Can we instantiate an abstract class?
During one of my interview, I was asked "If we can instantiate an abstract class?"
16 Answers
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C# DateTime.Now precision
I just ran into some unexpected behavior with DateTime.UtcNow while doing some unit tests. It appears that when you call DateTime.Now/UtcNow in rapid succession, it seems to give you back the same value for a longer-than-expected interval of time, rather than capturing more precise millisecond incre...
Text Progress Bar in the Console [closed]
I wrote a simple console app to upload and download files from an FTP server using the ftplib.
31 Answers
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What must I know to use GNU Screen properly? [closed]
I've just introduced a friend to GNU Screen and they're having a hard time getting used to it. That makes me think about the essential things he needs to know about the excellent Screen utility, the same things that you'd think worthwhile to teach someone, a beginner, from the ground up. What ar...
How do I use boolean variables in Perl?
I have tried:
8 Answers
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How to sort an array by a date property
Say I have an array of a few objects:
17 Answers
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Can't start Eclipse - Java was started but returned exit code=13
I am trying to get my first taste of Android development using Eclipse. I ran into this problem when trying to run Eclipse, having installed version 4.2 only minutes ago.
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Why is try {…} finally {…} good; try {…} catch{} bad?
I have seen people say that it is bad form to use catch with no arguments, especially if that catch doesn't do anything:
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Converting Select results into Insert script - SQL Server [closed]
I have SQL Server 2008 , SQL Server Management Studio.
18 Answers
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UITableview: How to Disable Selection for Some Rows but Not Others
I am displaying in a group tableview contents parsed from XML. I want to disable the click event on it (I should not be able to click it at all) The table contains two groups. I want to disable selection for the first group only but not the second group. Clicking the first row of second group nav...