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How to debug a maven goal with intellij idea?
...n you debug a maven goal with Intellij IDEA? I know that I can right-click and run Debug . However, the maven plugin does not appear in my External Libraries list, so I can not go into the code and set a breakpoint. Thus, Debug runs through the goals without stopping, like Run does.
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Int to Char in C#
... Before doing so, it checks to ensure "value" is in the range 0 to 0xffff, and throws an OverflowException if it is not. The extra method call, value/boundary checks, and OverflowException may be useful, but if not, the performance will be better if you just use "(char)value".
...
In Eclipse, can I have multiple Console views at once, each showing a different Console?
...some applications that, in debug mode, log to the console. I'd like to run and debug them from inside of Eclipse, and view the console for each one simultaneously. However, I have a single Console tab that shows a single Console output at a time. Is there a way I can split the consoles into multiple...
Is it possible to do start iterating from an element other than the first using foreach?
...kips however many you specify starting at the current index. On the other hand, if you wanted to use only the first three you would use .Take:
foreach (string curString in myCollection.Take(3))
These can even be paired together, so if you only wanted the 4-6 items you could do:
foreach (string c...
How to install pip with Python 3?
...
edit: Manual installation and use of setuptools is not the standard process anymore.
If you're running Python 2.7.9+ or Python 3.4+
Congrats, you should already have pip installed. If you do not, read onward.
If you're running a Unix-like System
You c...
How to read file contents into a variable in a batch file?
...t codepage, which isn't necessarily OEM/ANSI. Worst case is codepage 65001 and a file filled with 4-byte UTF-8 characters (e.g. an ancient script). You'll get 255 characters, plus a partially decoded character stored as the replacement character, U+FFFD.
– Eryk Sun
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Cleaner way to do a null check in C#? [duplicate]
...
In a generic way, you may use an expression tree and check with an extension method:
if (!person.IsNull(p => p.contact.address.city))
{
//Nothing is null
}
Full code:
public class IsNullVisitor : ExpressionVisitor
{
public bool IsNull { get; private set; }
...
How to get the connection String from a database
...the "Server Explorer" window in Visual Studio (menu View, Server Explorer) and connect to the server from that window.
Then you can see the connection string in the properties of the connected server (choose the connection and press F4 or Alt+Enter or choose Properties on the right click menu).
Ad...
Check if two linked lists merge. If so, where?
...wed" it was meant "you may change but in the end they should be restored", and
we could iterate the lists exactly twice
the following algorithm would be the solution.
First, the numbers. Assume the first list is of length a+c and the second one is of length b+c, where c is the length of their co...
Rails DB Migration - How To Drop a Table?
...ation to already have the code you want. You can create an empty migration and then populate it with the code you need.
You can find information about how to accomplish different tasks in a migration here:
http://api.rubyonrails.org/classes/ActiveRecord/Migration.html
More specifically, you can s...
