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Is an array an object in java
... Until now I always assumed an object was synonymous with class instance and that arrays were a special language feature or something.
– Ruben9922
Aug 9 '17 at 12:40
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How to find the sum of an array of numbers
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Non-number inputs
If non-numbers are possible inputs, you may want to handle that?
console.log(
["hi", 1, 2, "frog"].reduce((a, b) => a + b)
)
let numOr0 = n => isNaN(n) ? 0 : n
console.log(
["hi", 1, 2, "frog"].reduce((a, b) =>
numOr0(a) + numOr0(b))
)
No...
Simulate first call fails, second call succeeds
...ion()).doNothing().when(myMock).doTheCall();
– haggisandchips
Sep 13 '16 at 15:04
add a comment
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How do I create directory if it doesn't exist to create a file?
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Elegant solution as it handles situations that require creation of nested folders.
– Denny Jacob
May 8 '17 at 20:57
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How to change the playing speed of videos in HTML5?
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According to this site, this is supported in the playbackRate and defaultPlaybackRate attributes, accessible via the DOM. Example:
/* play video twice as fast */
document.querySelector('video').defaultPlaybackRate = 2.0;
document.querySelector('video').play();
/* now play three times ...
Iterate through the fields of a struct in Go
...n the field).
The closest you can achieve in go is GetValue() interface{} and this is exactly what reflect.Value.Interface()
offers.
The following code illustrates how to get the values of each exported field in a struct
using reflection (play):
import (
"fmt"
"reflect"
)
func main() {
...
How do you clone a BufferedImage
...he bufferedimages into the new object, but these new images may be altered and i don't want the original object images to be altered by altering the new objects images.
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Step out of current function with GDB
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You can use the finish command.
finish: Continue running until just after function in the selected stack frame returns. Print the returned value (if any). This command can be abbreviated as fin.
(see https://sourceware.org/gdb/current/onlinedocs/...
Remove scroll bar track from ScrollView in Android
My Android app has a main WebView (HTML loaded from a local resource) which I want to use the entire width of the screen and be able to make (vertically) scrollable. So I've wrapped the WebView in a ScrollView in my layout XML, but no matter what I do I can't seem to be able to remove the scroll bar...
Calculating how many minutes there are between two times
I have a datagridview in my application which holds start and finish times. I want to calculate the number of minutes between these two times. So far I have got:
...