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Passing multiple variables in @RequestBody to a Spring MVC controller using Ajax
...ve the actual argument:
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.io.IOUtils;
import org.springframework.core.MethodParameter;
import org.springframework.http.server.ServletServerHttpRequest;
import org.springframework.web.bind.support.Web...
Access event to call preventdefault from custom function originating from onclick attribute of tag
...nction sayHi(e) {
e.preventDefault();
alert("hi");
}
<a href="http://google.co.uk" onclick="sayHi(event);">Click to say Hi</a>
Run it as is and notice that the link does no redirect to Google after the alert.
Then, change the event passed into the onclick handler to so...
I need an unordered list without any bullets
...ap 2:
<ul class="unstyled">
<li>...</li>
</ul>
http://twitter.github.io/bootstrap/base-css.html#typography
Bootstrap 3 and 4:
<ul class="list-unstyled">
<li>...</li>
</ul>
Bootstrap 3: http://getbootstrap.com/css/#type-lists
Bootstrap 4: https:...
How to calculate the bounding box for a given lat/lng location?
...de, according to the WGS-84 ellipsoid [m]
def WGS84EarthRadius(lat):
# http://en.wikipedia.org/wiki/Earth_radius
An = WGS84_a*WGS84_a * math.cos(lat)
Bn = WGS84_b*WGS84_b * math.sin(lat)
Ad = WGS84_a * math.cos(lat)
Bd = WGS84_b * math.sin(lat)
return math.sqrt( (An*An + Bn*B...
JSON: why are forward slashes escaped?
...ON serializer would even care where the JSON ends up. On a web page, in an HTTP request, whatever. Let the final renderer do additional encoding, if it needs it.
– Dan Ross
Apr 28 '16 at 5:11
...
Why do we need message brokers like RabbitMQ over a database like PostgreSQL?
...en scaling. For a good example, see:
(source: springsource.com)
and: http://blog.springsource.org/2011/04/01/routing-topologies-for-performance-and-scalability-with-rabbitmq/
Finally, in regards to redis, yes, it can be used as a message broker, and can do well. However, Rabbitmq has more mes...
Angularjs ng-model doesn't work inside ng-if
Here is the fiddle showing the problem. http://jsfiddle.net/Erk4V/1/
6 Answers
6
...
Where does the “flatmap that s***” idiomatic expression in Scala come from?
...d other higher order functions).
This is especially true for Options (see http://tonymorris.github.io/blog/posts/scalaoption-cheat-sheet/)
But it applies to other monads as well (although I have to admit, I don't exactly understand the details yet myself)
Imagine the situation where you have a c...
How to compare if two structs, slices or maps are equal?
... function (which performance wise would be better than using reflection):
http://play.golang.org/p/CPdfsYGNy_
m1 := map[string]int{
"a":1,
"b":2,
}
m2 := map[string]int{
"a":1,
"b":2,
}
fmt.Println(reflect.DeepEqual(m1, m2))
...
How to check for valid email address? [duplicate]
....com, is a valid email address.
I've had some luck with the lepl package (http://www.acooke.org/lepl/). It can validate email addresses as indicated in RFC 3696: http://www.faqs.org/rfcs/rfc3696.html
Found some old code:
import lepl.apps.rfc3696
email_validator = lepl.apps.rfc3696.Email()
if not...