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LINQ's Distinct() on a particular property
...distinct-by" effectively. I don't believe it's part of LINQ as it stands, although it's fairly easy to write:
public static IEnumerable<TSource> DistinctBy<TSource, TKey>
(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector)
{
HashSet<TKey> seenKe...
Run a single Maven plugin execution?
... when the plugin is invoked from the command line using the "special" default-cli execution id:
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>sql-maven-plugin</artifactId>
<version>1.4</version>
...
<executions>
<execution...
Session timeout in ASP.NET
...n in IIS 6.0. I want session timeout to be 60 minutes rather than the default 20 minutes. I have done the following
15 Answ...
How can I add (simple) tracing in C#? [closed]
...successfully managed to log with the following diagnostics configuration:
<system.diagnostics>
<sources>
<source name="sourceName" switchName="switchName">
<listeners>
<add
name="textWriterTraceListener"
...
Force TextBlock to wrap in WPF ListBox
...ntally, you just won't see the scrollbar.
– Matt Hamilton
Dec 29 '08 at 8:03
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What are the allowed tags inside a ?
I have been searching for the list of tags that are available inside a <li> , but I couldn't find any reference.
4 A...
Convert the values in a column into row names in an existing data frame
...
This should do:
samp2 <- samp[,-1]
rownames(samp2) <- samp[,1]
So in short, no there is no alternative to reassigning.
Edit: Correcting myself, one can also do it in place: assign rowname attributes, then remove column:
R> df<-data....
LINQ: “contains” and a Lambda query
I have a List<BuildingStatus> called buildingStatus . I'd like to check whether it contains a status whose char code (returned by GetCharCode() ) equals some variable, v.Status .
...
Programmatic equivalent of default(Type)
... to loop through a Type 's properties and set certain types to their default. Now, I could do a switch on the type and set the default(Type) explicitly, but I'd rather do it in one line. Is there a programmatic equivalent of default?
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How to write a simple Html.DropDownListFor()?
...me from a Linq query, from a static list, etc.:
public static IEnumerable<Color> Colors = new List<Color> {
new Color {
ColorId = 1,
Name = "Red"
},
new Color {
ColorId = 2,
Name = "Blue"
}
};
In your view, you can create a drop down li...