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How to run a background task in a servlet based web application?
...id contextDestroyed(ServletContextEvent event) {
scheduler.shutdownNow();
}
}
Where the job classes look like this:
public class SomeDailyJob implements Runnable {
@Override
public void run() {
// Do your daily job here.
}
}
public class SomeHourlyJob implem...
How to add images in select list?
...
2020 now and still no way to do this.
– Wingsuit
Apr 7 at 4:20
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vs in Generics
...eturned only, until I read this answer. The whole concept makes more sense now!
– MarioDS
Sep 21 '15 at 10:09
add a comment
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Read a text file using Node.js?
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I see that BufferedReader is now deprecated.
– Marc Rochkind
Aug 22 '16 at 14:34
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What is a “symbol” in Julia?
...t – as data – the foo on the left hand side of this:
foo == "foo"
Now we're getting to the heart of the matter: the difference between a symbol and a string is the difference between foo on the left hand side of that comparison and "foo" on the right hand side. On the left, foo is an identi...
How to make a element expand or contract to its parent container?
...n I save this file as a new SVG file and get the path data from this file.
Now in HTML the code that does the magic is as follows:
<div id="containerId">
<svg
id="svgId"
xmlns:svg="http://www.w3.org/2000/svg"
xmlns="http://www.w3.org/2000/svg"
version="1.1"
x="...
When to use a “has_many :through” relation in Rails?
...l same as the has_many relationship
has_many :group_memberships
end
Now you can treat it like a normal has_many, but get the benefit of the association model when you need it.
Note that you can also do this with has_one.
Edit: Making it easy to add a user to a group
def add_group(group, r...
Pseudo-terminal will not be allocated because stdin is not a terminal
...aving a similar issue in a script that is run here. I added the -t -t but now I am getting a new error. "tcgetattr: Inappropriate ioctl for device"
– MasterZ
Dec 18 '12 at 19:32
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What do these words mean in Git: Repository, fork, branch, clone, track?
... moved to sbf5.com/~cduan/technical/git. The original URL still works for now.
– Eric Anderson
Jun 12 '12 at 15:19
1
...
“icon-bar” in twitter bootstrap navigation bar
...span tags create three horizontal lines that look like a button, commonly known as the "burger" icon.
Take a look at icon-bar in bootstrap.css:
.navbar-toggle .icon-bar {
display: block;
width: 22px;
height: 2px;
background-color: #cccccc;
border-radius: 1px;
}
It is a block structure,...