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QUESTION
I have a question. I have to do a tic-tac-toe and now have the problem that I don't know how to do it in Javascript, that it recognizes who has won. Can somebody help me with it? Maybe with an array or just a few variables. How can I make it so that when I click on a field I can no longer click it?
...ANSWER
Answered 2021-Jun-11 at 12:40You should have a crack at this yourself so I don't want to code an answer for you... but here are some of the pieces and the thinking.
You can check to see if a player has won immediately after they click for their turn, so at the end of the handleClick
function.
A rough and ready way to do this would be to gather all of the "box" elements, then check all the rows, columns and diagonals.
Some of the pieces of this include:
- Use the
document.getElementById
method to get the "box" elements into variables (ideally an array or map to make it easy to refer to the elements in a logical, rather than manual, way, but individual variables would work) - Test those variables for winning lines, so a crude example for testing one winning line would be (where
box1
,box2
andbox3
were the box elements from the previous step, andprocessWin
some function which did whatever was needed when a win happened):
QUESTION
Hello! I started learning programming and started with a weird way of a calculator (I know its weird how I made it). But at this little Code I got a Problem with java: illegal start of expression because of "if (numberTest.equals(+))" but i get an error too when i make "if (numberTest == /)". Any help to solve this Problem because i didnt find anything and dont know what to search? (: Have a nice day guys! Stay safe
...ANSWER
Answered 2021-May-29 at 07:48Surround your sign with quotes...
QUESTION
Hey i have a question about javascript. At the moment I have to program a tic tac toe game. I am already so far that the first player can put his cross in the top left corner. Now I ask my question, how do I make it that after the first player with the symbol X, the second player with the symbol O is on and plays.
The code at the moment:
...ANSWER
Answered 2021-May-24 at 13:50You have so called flag - some boolean variable - that holds state of current user, on end of move you switch this flag to point to another user.
QUESTION
i tried on more ways to border the result of the variable V2
in Column E but it doenst work. You can see my tryings as a comment within the code. Has anyone an idea? Thanks
By the way is it possible to figure out End(xlUp)
& End(xlDown)
just by a Macro?
Update
This i could figure out by pressing shift +Cntrl + ArrowDown
...ANSWER
Answered 2021-May-21 at 09:59From what I have understood, you are using remove duplicates on Col A
values pasted in Column D
(Code not there in question I guess) and then match the values with Col A
to collate the values from Col B
to create a summary kind of thing.
If my understanding is correct then there is a simpler way to do it.
LOGIC
Identify your range and store the values in an array. This is to speed things up. To identify the range, you can find the last row as shown HERE and then use that range.
Create a unique collection of values from Col
A
.Define a second array based on unique values.
Compare the unique values with values in Col
A
and collate the values from ColB
.Clear Column
D
andE
for output and finally output the array there.Identify the final range to work with. You can then add color, border etc to that range.
CODE
I have commented the code but if you still have problems understanding it then do let me know.
QUESTION
I am new to React and want to do my first steps but get stuck on a probably very basic error. I did read the other threads to this topic, but I could not derive a solution for my problem out of them. Please help! Thank you!
Error Message
...ANSWER
Answered 2021-Apr-26 at 12:39Remove the new line between return
and React.createElement
.
A new line after return
will return undefined
and ignore the subsequent code, as is happening here.
See why it is happening (Automatic Semicolon Insertion) here:
The return statement is affected by automatic semicolon insertion (ASI). No line terminator is allowed between the return keyword and the expression. https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/return#automatic_semicolon_insertion
QUESTION
I have 6 tables that have different columns but share a unique foreign key. How do i merge all the columns given a foreign key, but padded with NULL if the row doesn't exist. Here 3 tables are shown
...ANSWER
Answered 2021-Mar-29 at 05:49You can try with JOIN
like this:
QUESTION
I am looking for a way to access the li
-elements between two specific heading-tags only (e.g.from 2nd h3
to 3rd h3
or from 3rd h3
to next h4
) in order to create a table of historical events listed on https://de.wikipedia.org/wiki/1._Januar structured along the criteria mentioned in the headings.
A major problem (for me ...) is that - other than the h1
-heading - the subtitles of the lower levels have no className
or id
.
ANSWER
Answered 2021-Feb-14 at 00:24Instead of using loops, you can just copy and paste the range at once.
QUESTION
I started my apprenticeship 1 month ago and from my company I got my first task to create a Calculator in the console which is capable to do basic math (addition, subtraction, multiplication and ofc divide). Now I made my code so far to enter 2 numbers but what next? What command do I have to use to choose the correct term of calculating?
In the End I just want to put in a + if I want to add etc.
Here is my Code. I use Visual Studio 2019 and C#.
...ANSWER
Answered 2021-Feb-11 at 21:00This should hopefully point you in the right direction as a starting point.
QUESTION
Some time ago, I wrote a program in VB.Net which is similar to the familiar Windows image viewer but has a few more advantages. Today I would like to develop the program further, with the addition that one can also sort according to image dimensions (i.e. megapixels), and the images are displayed in this order (descending). So my concern to you is: How can I sort by megapixel and then by name? I'm not that good with lists and the sorting commands for them yet. I've written a separate class called "Image Properties". Here, for each image, the complete path and the dimensions are transferred and the megapixels are calculated.
Code in Form_Main
...ANSWER
Answered 2021-Jan-31 at 23:53E.g.
QUESTION
I have a python OSCclient that sends a json.dumps(dictionary) to a OSCP5 server in Processing (Java Mode).
python side:
...ANSWER
Answered 2021-Jan-20 at 13:22According to the documentation, loadJSONObject
interprets its argument as a file name that points to a JSON file.
To parse JSON from a string, use the function parseJSONObject
instead.
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