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What is the best way to do GUIs in Clojure?
...e
(:use seesaw.core))
(defn handler
[event]
(alert event
(str "<html>Hello from <b>Clojure</b>. Button "
(.getActionCommand event) " clicked.")))
(-> (frame :title "Hello Swing" :on-close :exit
:content (button :text "Click Me" :listen [:action handl...
Cleaner way to do a null check in C#? [duplicate]
...sNull;
}
}
public static class Helper
{
public static bool IsNull<T>(this T root,Expression<Func<T, object>> getter)
{
var visitor = new IsNullVisitor();
visitor.CurrentObject = root;
visitor.Visit(getter);
return visitor.IsNull;
}
}...
Lombok is not generating getter and setter
...Then execute the following command.
java -jar lombok-1.16.18.jar install <path of where your IDE is installed>
example usage:
java -jar lombok-x.xx.xx.jar install ~/Downloads/spring-tool-suite-3.9.1.RELEASE-e4.7.1a-linux-gtk-x86_64/sts-bundle/sts-3.9.1.RELEASE/
the above command basicall...
Entity Framework - Invalid Column Name '*_ID"
...e, go to your OtherTable model and make sure you don't have an ICollection<Table> in there. Without a relationship defined, the framework will auto-assume that you must have a FK to OtherTable and create these extra properties in the generated SQL.
– LUKE
...
Replace all 0 values to NA
...
Replacing all zeroes to NA:
df[df == 0] <- NA
Explanation
1. It is not NULL what you should want to replace zeroes with. As it says in ?'NULL',
NULL represents the null object in R
which is unique and, I guess, can be seen as the most uninformative and...
What is the difference between a pseudo-class and a pseudo-element in CSS?
...ome pseudo-classes are mutually exclusive, while others can be applied simultaneously to the same element. Pseudo-classes may be dynamic, in the sense that an element may acquire or lose a pseudo-class while a user interacts with the document.
Source
What does this mean?
The important nature of...
How to embed an autoplaying YouTube video in an iframe?
...
This works in Chrome but not Firefox 3.6 (warning: RickRoll video):
<iframe width="420" height="345" src="http://www.youtube.com/embed/oHg5SJYRHA0?autoplay=1" frameborder="0" allowfullscreen></iframe>
The JavaScript API for iframe embeds exists, but is still posted as an experime...
Using CSS td width absolute, position
...ock element inside of the table cell itself whose width you specify, e.g
<td><div style="width: 300px;">wide</div></td>
This shouldn't make much of a difference if the <table> itself is position: fixed or absolute because the position of the cells are all static rela...
What does Html.HiddenFor do?
Although I have read the documentation on Html.HiddenFor, I've not grasped what is it used for...
4 Answers
...
In c# is there a method to find the max of 3 numbers?
... for consistency, so you can *always* call
// MoreMath.Max instead of alternating between MoreMath.Max and Math.Max
// depending on your argument count.
public static int Max(int x, int y)
{
return Math.Max(x, y);
}
public static int Max(int x, int y, int z)
{
...