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Avoiding instanceof in Java
...ng a chain of "instanceof" operations is considered a "code smell". The standard answer is "use polymorphism". How would I do it in this case?
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How can I open Windows Explorer to a certain directory from within a WPF app?
...exe"); will run Calculator. You can pass it the full path to an executable and it will run it.
– Jamie Penney
Nov 17 '09 at 2:33
1
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Cannot serve WCF services in IIS on Windows 8
...eemed to be a no brainer; the WCF service should be enabled using Programs and Features -> Turn Windows features on or off in the Control Panel. Go to .NET Framework Advanced Services -> WCF Services and enable HTTP Activation as described in this blog post on mdsn.
From the command prompt (a...
How to center a WPF app on screen?
...F app on startup on the primary screen. I know I have to set myWindow.Left and myWindow.Top, but where do I get the values?
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How can I define a composite primary key in SQL?
...rID)
);
The pair (QuestionID,MemberID) must then be unique for the table and neither value can be NULL. If you do a query like this:
SELECT * FROM voting WHERE QuestionID = 7
it will use the primary key's index. If however you do this:
SELECT * FROM voting WHERE MemberID = 7
it won't because...
How can I set NODE_ENV=production on Windows?
...tained), use
set NODE_ENV=production
This should be executed in the command prompt where you intend to run your Node.js application.
The above line would set the environment variable NODE_ENV for the command prompt where you execute the command.
To set environment variables globally so they per...
How to stop Visual Studio from opening a file on single click?
...d a double click). Is there a way to make double-click the 'view file' command?
6 Answers
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How to display line numbers in 'less' (GNU)
What is the command to make less display line numbers in the left column?
6 Answers
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java.lang.OutOfMemoryError: Java heap space
...ava -Xms<initial heap size> -Xmx<maximum heap size> on the command line. By default, the values are based on the JRE version and system configuration. You can find out more about the VM options on the Java website.
However, I would recommend profiling your application to find out why yo...
How to delete an element from an array in C#
...
You can also convert your array to a list and call remove on the list. You can then convert back to your array.
int[] numbers = {1, 3, 4, 9, 2};
var numbersList = numbers.ToList();
numbersList.Remove(4);
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