freshman | Qiushi Chao Online New Student Handbook
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kandi X-RAY | freshman Summary
Qiushi Chao Online New Student Handbook
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QUESTION
A freshman here that's stuck and confused on an assignment.. I'm surely doing it wrong because I get error on keyPressed as event is not define, with the code below. How do I define event in this instances?...
...ANSWER
Answered 2021-Jun-12 at 20:18First of all keypress
event is deprecated. I am not sure what the nature of your assignment is, but you might go ahead with keydown
instead.
Also keydown
is the event you want your code to watch for and use its properties. I presume KeyboardEvent.code
is what you want.
More details on MDN Web Docs: https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent
QUESTION
I'm a freshman in university and currently learning the C language. Last night I've just found really big problem with my code but there's nothing I could fix with my terrible skills... can you help me to solve this?
(condition)
- you are trying to login with id / pw and only have 3 chances.
- there are 5 id's and pw's on each.
- if id does not exist, print
id does not exist
. - if id exists but pw does not match, print
pw does not match
. - if id and pw match, print
login successful
and exit program.
is there any way to loop the strcmp
functions which marked?
Here's code below.
...ANSWER
Answered 2021-May-31 at 13:47You should use arrays to gather the values to be used in loops.
QUESTION
I have to make a program which checks two txt files and concatenates the lines which start with the same ID. The results must be in a new file The files are in the following format:
ID STRING_UP_TO_30_CHARS
Error checking is not necessary but I have been stressing over this for quite a while now. I'm pretty new to programming in general as I am a freshman in University.
Code that I have right now:
...ANSWER
Answered 2021-May-31 at 13:51while(getline(file2,line2))
QUESTION
I am having trouble with an assignment for my freshman Computer Science class. I am trying to have PrintAllConcepts print each item of an array, once per line.
For some reason all I get is the last line printed from LIST.txt and a bunch of extra empty lines that usually end up nearly crashing the program. There appears to be no syntactical errors, so I'm afraid I am not reading the concepts into the array correctly. This is where I would like assistance. Below is my code.
I also apologize if this seems like a noob question, as I am a beginner in C++. Edit: Also, explaining why the Number parameter is so funky, my assignment seems to be requiring me to do it that way. That is also why PrintAllConcepts and ReadConcepts returns void.
...ANSWER
Answered 2021-May-06 at 13:58As a perfunctory node to your question, you may want to insert a condition for reading the file in its entirety, i.e., while (fin.good()), etc.
That said, the above hints and tips are second to none. Debugging programs can teach you a lot, and are as good a learning tool as writing the code yourself. I should know; I'm new at this too. Good luck.
p.s.: Don't forget the good practice of closing your file once finished with it.
QUESTION
I am making a verification system where if you type !verify "1. John 2. Mr. Teacher 3. Somewhere 4. Freshman 5. The Cool Mascot"
it will send an embed in a channel looking like this: https://gyazo.com/ab808bafcd4a5f3ed05f63e007da20c1.
If someone reacts with the checkmark I want to dm the user saying that they have been accepted and if they get denied it will send a dm saying they have been denied but I seem to not get a dm when reacting and they do not get the Member role right after, and there are no tracebacks.
Code:
...ANSWER
Answered 2021-Apr-03 at 12:49Use this instead of async def on_raw_reaction_add:
QUESTION
I have a tricky (to me, at least) challenge involving a query on 3 different tables to find the:
Study_ID, Study_Name, Price, Sdate on all students in grade.freshman (grade=freshman)
I started trying to piece it together, but I quickly became lost in the complexity. I feel like you need to join, but I can't puzzle it out.
This is as far as I got before getting lost.
...ANSWER
Answered 2021-Mar-26 at 19:06Here are two approaches: consider how the tables are related to each other, and consider the columns/foreign keys in the tables.
The Student and Study tables aren't directly related, but the Receives table is the relationship between the two (it's sometimes called an associative, junction, link or composite table, among other terms), so you can join Student and Study through Receives.
From the column/foreign key approach, the Receives table has columns that reference the Student and Study tables, so it can be used to join those tables (the definition of Receives
is missing the Student(S_ID)
foreign key, which becomes noticeable when you consider how the tables are related).
In SQL, it would look something like:
QUESTION
I'm a new coder. Not really a coder yet just a freshman(1st semester) varsity student. So please forgive me if this is a stupid question.... how do i name a tab or column in cpp? I'm to make a program that collects names of students in my class along with their emails, phones and cgpas... i have to print the code in a tab which i did but i was wondering how do i name the tabs as in like under "Name" it would be names of all the students, under "Email" would be the emails of all the students etc. in like a vertical list view...
here's the code;
...ANSWER
Answered 2021-Mar-25 at 13:54Before you print the student informations:
QUESTION
I am a freshman in R coding, but I've heard that loop in R is much slower than other language like Python or C. So do I need to reduce loop when coding in R?
Specifically, in this simulation code, how can I improve my poor coding skill?
...ANSWER
Answered 2021-Mar-15 at 15:03One main advantage of not using for
loops in R is to exploit its vectorization. So while in languages like Python or C you code vector calculations for each element of a vector, in R you can conveniently code the calculation for the entire vector at once (see Edit below) and also reduce computation time by actually using fast underlying C, Fortran, etc. functions.
I would put all the calculations you want to do for a single sample size into a function statFUN
and put it into an lapply
to loop over the vector of sample sizes n
.
For the quantiles we either could use apply
or matrixStats::rowQuantiles
which I recommend because it's faster.
set.seed()
should be needed just one time before running the lapply
, all the res
ults will be reproducible with that one seed.
QUESTION
I've been working in JavaScript for just a few days and am trying to complete a small project.
I have a webpage that generates new data for a table based on user input via a Select element. In it's current state, I am able to get the information to populate into the table but am having issues when trying to clear data for a new selection.
When the selection is changed, the fillClassTable() function is called which adds the new data into newly generated rows / cells. I would like to either manage to reset the table to just the header columns prior to generating these new rows or be able to remove the old entries from the latter rows of the table (in this case the bottom 4 rows) after generation occurs.
So far, when I have implemented any sort of statement like classTable.remove() or classTable.removeChild() it disables all of my generation even if I pass in just one row as a parameter.
...ANSWER
Answered 2021-Mar-08 at 19:17If you want to easily reset a table use this:
QUESTION
I am new to Stack Overflow and had a question on a python application I have been working on for a while as part of a fun little personal project. Basically, the app consists of utilizing Selenium to login to my school portal, (I am a college freshman), navigate through a couple of pages and ultimately scrape the data off a page (beautifulsoup) that contains the campus food account balance and transactions. I thought this would be a useful thing to develop because my school makes it pretty difficult to view this information in a timely manner, and my friends and I find ourselves quite often wanting to check our balance. I completed the code that gets this done and have successfully been able to fetch transactions and display them in the console for any account given a valid school portal username and password. I am now using PySimpleGUI to create a clean interface that prompts you to simply input your login information while it attempts to retrieve this information for you. My question from all this is once this GUI is done, is there any possible way to be able to make this an "app" that can be downloaded or sent to friends so that they can use it as well? I do not want to have to send them the python code, packages to install, teach them how to run it in bash, etc. Is there a way to send them this application that they can run that does exactly what I intend for it to do? Sorry if this is unclear, I will try to elaborate if necessary..
Thank you all in advance!!
...ANSWER
Answered 2021-Feb-20 at 13:20The PySimpleGUI documentation (http://www.PySimpleGUI.org) explains that one method that's worked well for distributing PySimpleGUI programs to users that do not have Python installed is using pyinstaller to convert your program into an executable. For windows, this is an EXE file. For Mac, it's an "App". There's a heading specifically for Mac users "Creating a Mac App File"
pyinstaller isn't perfect, but for distributing a PySimpleGUI program that's based on tkinter, it's worked pretty well. The least number of other packages involved the better. If your program only uses PySimpleGUI, then it should work well.
Another route is for your users to run your code in the browser. These are tricky technically as you're using sites that emulate tkinter in the browser.
A couple of known to work in-browser solutions:
- Trinket - This will enable you to post your code on a website and your users can run the code in their browser. The PySimpleGUI project has a Trinket page at http://Trinket.PySimpleGUI.org
- repl.it - Another option for running code in the browser. It's more complex than Trinket, but also supports more packages
These 2 online solutions aren't meant for delivering products. They are teaching aids.
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