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Elwin Torp

Questions by Elwin Torp

How to use wget in php??

I have this parameters to download a XML file: wget --http-user=user --http-password=pass http://www.example.com/fi...

Preview image on popover, not displaying correctly?

Can anyone help me with popover image preview, the problem is upon hovering the image preview wont display/update th...

Amazon AWS EMR “no” configuration sample application?

I registered for aws account yesterday and today i followed couple of videos on youtube to run a sample wordcount on...

Kivy CheckBox Looks Like Solid Black Box (Not a Checkbox)?

I am making a BoxLayout widget (orientation = 'horizontal') that contains three widgets inside of it, a label, a tex...

Javascript how to split newline?

I'm using jquery, and I have a textarea. When I submit by my button I will alert each text separated by newline. Ho...

Infinite scrolling background on libgdx?

I am trying to do an infinite scrolling background on libgdx.The image is scrolling fine in the X-axis, but in the Y...

Bash ignoring error for a particular command?

I am using following options set -o pipefail set -e In bash script to stop execution on error. I have ~100 lines ...

Generate a truth table in excel?

I have the need to make a formula that gives you the truth table for a variable number of columns Examples ...

How to create an empty matrix in R??

I am new to R. I want to fill in an empty matrix with the results of my for loop using cbind. My question is, how ca...

How to use ajax in laravel 5.3?

I am new to Laravel and am using Laravel 5.3. I want to make a text field where it will automatically suggest some d...

Escape sequence \f - form feed - what exactly is it??

\f is said to be the form feed. \t is a tab, \a is a beep, \n is a newline. What exactly is a form feed - \f? The fo...

VHDL : how to transform a Binary number into a decimal number?

I am learning VHDL through a project and I would like to transform a binary number into a decimal number (also expre...

Detect if device is tablet?

How can I detect if the device is ONLY tablet? This script below is not working properly. var ua = navigator.userAg...

How can I write an “if” statement for a string variable in Java??

This is what I have so far and I have the problem written as a comment on the line I need help with. Any further sug...