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Maven2: Missing artifact but jars are in place
...s of turning it off and on again.
Try right-clicking on the project and selecting Maven->Update Project Configuration.
Disable then re-enable dependency management (right-click Maven->Disable Dependency Management then Maven->Enable Dependency Management
Close the project and reopen it.
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How to match “anything up until this sequence of characters” in a regular expression?
...
I have noticed that this fails to select anything if the pattern your looking for does not exist, instead if you use ^(?:(?!abc)(?!def).)* you can chain to exclude patterns you don't want and it will still grab everything as needed even if the pattern does no...
Closing Database Connections in Java
...ent statement = connection.createStatement()) {
String sqlToExecute = "SELECT * FROM persons";
try (ResultSet resultSet = statement.execute(sqlToExecute)) {
if (resultSet.next()) {
System.out.println(resultSet.getString("name");
}
}
} catch (SQLException e) {
...
Difference between map and collect in Ruby?
..., in C# (3.0)'s LINQ library, it is provided as an extension method called Select. Map is also a frequently used operation in high level languages such as Perl, Python and Ruby; the operation is called map in all three of these languages. A collect alias for map is also provided in Ruby (from Smallt...
How do I determine if a port is open on a Windows server? [closed]
...Programs → Turn Windows Features on or off. In the list, scroll down and select Telnet Client and click OK.
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How to use JNDI DataSource provided by Tomcat in Spring?
..."7200000"
testOnBorrow="true"
validationQuery="select 1"
/>
</GlobalNamingResources>
And reference the JNDI resource from Tomcat's web context.xml like this:
<ResourceLink name="jdbc/DatabaseName"
global="jdbc/DatabaseName"
type="javax...
How to close TCP and UDP ports via windows command line
...don't think that was being asked here. I believe the question is "how do I selectively close one active connection (socket) to the port my program is listening on?". The wording of the question is a bit off because a port number for the undesired inbound client connection is given and it was referr...
Sockets: Discover port availability using Java
...ee = false;
}
return portFree;
}
EDIT: If all you're trying to do is select a free port then new ServerSocket(0) will find one for you.
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Filtering collections in C#
... where p.Gender == "M" && p.Age < 30
select new { p.Name, p.Age })
Console.WriteLine(v.Name + " is " + v.Age);
}
private class Person
{
public Person() { }
public int Age { get; set; }
public string Name { get; set; }
public string Gende...
Undo working copy modifications of one file in Git?
...s, a commit can have more than one previous commit, so with HEAD^ a number selects which of those parents, while with HEAD~ a number always selects the first parent but that number of commits back. See git help rev-parse for more details.
– Brian Campbell
May 1...