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Jeanne Mohr

Questions by Jeanne Mohr

Is there a difference between x++ and ++x in java??

Is there a difference between ++x and x++ in java? ...

Can you make “an invisible border”??

I'm trying to make a navbar as an exercise. I'm using a:hover to include a solid border around the button being hov...

_set in Django for a queryset?

I'm a bit confused how to use _set in a QuerySet in Django. For example, an object Blog b, and the object Entry rela...

Convert List into Comma-Separated String?

My code is as below: public void ReadListItem() { List<uint> lst = new List<uint>() { 1, 2, 3, 4, ...

Sign extend a nine-bit number in C?

I have a short, instr, that looks like this: 1110xxx111111111 I need to pull out bits 0-9, which I do with (instr...

Adding a background video with React??

I'm trying to build a simple landing page that contains a fullscreen background image, that will play as soon as the...

I got “scheme application not a procedure” in the last recursive calling of a function?

so here is the code: (define (time-prime-test n) (newline) (display n) (start-prime-test n (runtime))) (defi...

How to print a two dimensional array??

I have a [20][20] two dimensional array that I've manipulated. In a few words I am doing a turtle project with user ...

Cannot find symbol on method?

i'm creating the method toArray in the code below, getting cannot find symbol error in calling both pop() and push()...

ValueError: invalid literal for int () with base 10?

I wrote a program to solve y = a^x and then project it on a graph. The problem is that whenever a < 1 I get the e...

What is Half vector in modern GLSL??

http://www.lighthouse3d.com/opengl/glsl/index.php?ogldir2 reports that half vector in OpenGL context is 'Eye posit...

VmSize = physical memory + swap??

I have a little question regarding VmSize, in the documentation it's supposed to be the application's usage of memor...

How to use `replace` of directive definition??

In this document: http://docs.angularjs.org/guide/directive , it says that there is a replace configuration for dire...

Difference between $? and $LastExitCode in PowerShell?

In PowerShell, what is the difference between $? and $LastExitCode? I read about automatic variables, and it said: ...