Categories
Mastering Development

aggregate dataframe horizontally

I have the following data: inputdata = [[1,’long’,30.2,’Win’],[1,’long’,-12.4,’Loss’], [2,’short’,-12.3,’Loss’],[1,’long’,3.2,’Win’], [3,’short’,0.0,’B/E’],[3,’short’,23.2,’Win’], [3,’long’,3.2,’Win’],[4,’short’,-4.2,’Loss’]] datadf = DataFrame(columns=[‘AssetId’,’Direction’,’PnL’,’W_L’], data = inputdata) datadf AssetId Direction PnL W_L 0 1 long 30.2 Win 1 1 long -12.4 Loss 2 2 short -12.3 Loss 3 1 long 3.2 Win 4 3 short 0.0 B/E 5 3 short 23.2 Win 6 3 long […]

Categories
Mastering Development

Is there a way for me to write my own functions and perform them inplace like most methods in Pandas

I would like my functions to perform certain operations to my pandas DataFrame in place. Most methods in Pandas have the inplace methods, right now, I would like to use to use the idea of the inplace functionality to my function to make this particular function perform in place in order to avoid me reassigning […]

Categories
Database Development

Principles underlying the choice of a realtime spatial tracking database

I work for a government department that does vehicle fleet management. We would like to in realtime (say every 1 second) spatially track 20000 vehicles. Data such as latitude, longitude, direction, speed, driver details, fuel consumption, etc would need to be stored and kept for as long as possible. Currently this data comes from an […]

Categories
Game Creation Mastering Development

How do I not let my bomb explosion go pass through the walls?

I am making a “Bomberman” type of game right now and I was wondering why my bomb is going through the walls when I added a LayerMask to tell if the gameObject is a “wall” or not. How do I make this not let my bomb go through the walls? public LayerMask levelMask; public GameObject […]

Categories
Game Creation Mastering Development

Handling rotation interpolation at 180 degrees

I currently have a scene where 3d a gents move throughout a grid, each time they move that can pick a random cardinal direction up,down,left or right. They then rotate to face that direction using Quaternion.Slerp. However I noticed there were some edge cases where the agents didn’t move at all, and found out the […]

Categories
Development

Is there any alternative to RDO.Session – Outlook Redemption dll

I created a mini-program in vb net which has the ability to input manually some information in different checkbox’s and then with this input information the program edit a .msg outlook template. The problem is that i have the error “Cannot create ActiveX component.” in “Create Object(“Redemption.RDOSession”). (Please find the screenshot for more details).Cannot create […]

Categories
CMS Development Wordpress

Form to add data to custom post type

I would love some help with what I have going on right now. I am new to PHP, and WordPress plugin development. I have built a very simple WordPress Plugin (following a tutorial) that takes a form on the front end (placed on a page with a shortcode), and places that form data to a […]

Categories
Development

My unique function is not working on array..?

I have a function designed to sort / order / uniqify a given array. Here is some of the code: Bubble Sort – function sort(postsCollection, type, direction){ let target = postsCollection[0][type]; let swapp = false, n = postsCollection[0].length – 1, x = postsCollection[0]; do { swapp = false; for(let i = 0; i < n; […]

Categories
Development Java

Java Matrix4f.transform equivalent in GLM?

In OpenGL for Java, Matrix4f has a transform() method. I am trying to look at an example using this, but want to translate it into using GLM. But I cannot find an equivalent to transform() in GLM, nor do I grasp what transform() really does. For example: In Java: Vector4f direction = new Vector4f(x, y, […]

Categories
Development

Oracle query showing error “not a GROUP BY expression”

Hello I have made a query to get employee first in and last out time for a date range for this I used max and min function to get first in and last out time here is my query select fullname, “IN”, out from ( select fullname,direction, employment.employeeid,NATIONALID,departmentname,designation.designationname, min(case when direction = ‘IN’ then to_date(to_char(((TO_DATE(‘19700101′,’yyyymmdd’) […]