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How to test if a string is basically an integer in quotes using Ruby
I need a function, is_an_integer , where
20 Answers
20
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Calculating distance between two points, using latitude longitude?
...ve function gives you straight line distance.
– Rahul_Pawar
Mar 9 '17 at 9:40
1
My kingdom for de...
How useful/important is REST HATEOAS ( maturity level 3)?
...uld have a post object in HAL-Json that looks something like this:
{
"_links": {
"self": {
"href": "https://hostname/api/v1/posts/1",
"actions": {
"read": "GET",
"update": "PUT",
"delete": "DELETE"
}
...
AngularJS - convert dates in controller
... function(input)
{
if(input == null){ return ""; }
var _date = $filter('date')(new Date(input), 'dd/MM/yyyy');
return _date.toUpperCase();
};
});
view
<span>{{ d.time | date }}</span>
or in controller
var filterdatetime = $filter('date')( yourdate );...
Android: create a popup that has multiple selection options
... Toast.makeText(TopicDetails.this, "you nailed it", Toast.LENGTH_SHORT).show();
} else if ("Medium".equals(fonts[which])) {
Toast.makeText(TopicDetails.this, "you cracked it", Toast.LENGTH_SHORT).show();
} else if ("Large".equals(fonts[which])) {
...
input type=“submit” Vs button tag are they interchangeable?
... we have to think beyond pure functionality.
– pierre_loic
Jun 10 at 16:43
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Linear Regression and group by in R
...eturn a data frame
ldply(models, coef)
# Print the summary of each model
l_ply(models, summary, .print = TRUE)
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JavaScript Date Object Comparison
...answered Sep 30 '11 at 6:50
gion_13gion_13
38.3k99 gold badges9090 silver badges101101 bronze badges
...
Go Unpacking Array As Arguments
...u can use a vararg syntax similar to C:
package main
import "fmt"
func my_func( args ...int) int {
sum := 0
for _,v := range args {
sum = sum + v
}
return sum;
}
func main() {
arr := []int{2,4}
sum := my_func(arr...)
fmt.Println("Sum is ", sum)
}
Now you can sum a...
How to use redis PUBLISH/SUBSCRIBE with nodejs to notify clients when data values change?
...
OLD only use a reference
Dependencies
uses express, socket.io, node_redis and last but not least the sample code from media fire.
Install node.js+npm(as non root)
First you should(if you have not done this yet) install node.js+npm in 30 seconds (the right way because you should NOT run npm...