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Getting a random value from a JavaScript array
...eally random, but still a common requirement)...
Building upon the answer by @Markus, we can add another prototype function:
Array.prototype.randomDiffElement = function(last) {
if (this.length == 0) {
return;
} else if (this.length == 1) {
return this[0];
} else {
var n...
Combining two Series into a DataFrame in pandas
...or iseries to an dataframe then added and additional the additional column by key as 'prediction'. If you need dataframe converted back to a list then use values.tolist()
output=pd.DataFrame(X_test)
output['prediction']=y_pred
list=output.values.tolist()
...
How to find the type of an object in Go?
...ue with static type interface{} and extract its dynamic type
information by calling TypeOf, which returns a Type.
package main
import (
"fmt"
"reflect"
)
func main() {
b := true
s := ""
n := 1
f := 1.0
a := []string{"foo", "bar", "baz"}
fmt.Println(reflect.Type...
How to set the java.library.path from Eclipse
...tch effort, because you might break something that is already properly set by eclipse.
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Set margins in a LinearLayout programmatically
... be accomplished via XML and not through Java methods in the SDK. In fact, by definition, everything has to be doable via Java (though not necessarily via SDK-reachable methods), since XML is not executable code. But, if you're aware of something, point it out, because that's a bug in the SDK that s...
How to edit data in result grid in SQL Server Management Studio
...
The way you can do this is by:
turning your select query into a view
right click on the view and choose Edit All Rows (you will get a grid of values you can edit - even if the values are from different tables).
You can also add Insert/Update trigg...
Prevent text selection after double click
...rd. With "mousedown", you are of course also prevented from selecting text by dragging.
– corwin.amber
Mar 31 '16 at 16:48
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How to get URI from an asset File?
...t load any of my assets without the 3. I tried 2 as (previously) commented by CommonsWare and it wouldn't work. Then I looked at CommonsWare's source on github and noticed the extra forward slash.
This testing though was only done on the 1.6 Android emulator but I doubt its different on a real devi...
Checking if all elements in a list are unique
...
You can shorten this by putting the following line after s = set()... return not any(s.add(x) if x not in s else True for x in g)
– Andrew Clark
Mar 11 '11 at 21:42
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Making button go full-width?
...btn-groups, there is a more accepted response referring to btn-block class by Layke.
– Hans
Oct 12 '16 at 9:13
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