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kandi X-RAY | FOE Summary
based on ThinkPHP 3.2.3.
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QUESTION
I am trying to learn Common Lisp with the book Common Lisp: A gentle introduction to Symbolic Computation. In addition, I am using SBCL, Emacs, and Slime.
By the end of chapter 10, on the advanced section there is this question:
10.9. Write a destructive function CHOP that shortens any non-NIL list to a list of one element. (CHOP '(FEE FIE FOE FUM)) should return (FEE).
This is the answer-sheet solution:
...ANSWER
Answered 2021-Jun-07 at 16:15The point is about how parameters to functions are passed in Common Lisp. They are passed by value. This means that, when a function is called, all arguments are evaluated, and their values are assigned to new, local variables, the parameters of the function. So, consider your function:
QUESTION
So i made a tic-tac-toe game in python and the main game board is basically a list of lists as follows:
...ANSWER
Answered 2021-May-31 at 21:47So it looks I've answered my own question. Its not exactly what i was expecting but it does work. What I noticed was that modifying any of the lists board[0], board[1] and board[2]
(which happen to be the rows) modified the elements in board
and vice versa.
So I figured if I convert board
to a numpy array and use its indexing to get the columns, it would allow me to do this with columns as well. So that would make 6 of the possible winning options. luckily, the array.diagonal()
allowed me to achieve the same with the diagonal elements too.
QUESTION
Apologies for asking a fairly common question, I have been looking all over and can't find a solution that fixes my problem.
I am using Firesharp, and trying to deserialize a Json object that Firebase returns into a class with a nested list.
...ANSWER
Answered 2021-May-26 at 14:30This in no way a complete answer. I assume you don't want to map/create classes for each "sub class", e.g. Barbarian, Wizard etc. You could perhaps use JsonConverter. The example only handles the first "anonymous" range of objects. Maybe you'll find some of this useful.
QUESTION
I am relatively new to Ajax. I've created two
elements inside of them, both of them lead to other HTML files. What I am trying to achieve is that whenever I click on one of the links, the page automatically loads the HTML file related to it, however its not working for me. Whenever I click on one of the links, nothing happens. Thanks in advance! I am using JQuery with Ajax.
FIRST HTML FILE
...ANSWER
Answered 2021-Apr-27 at 14:24First of, you should use a templating engine (i.e: PHP) since it makes it infinitely easier to just change a head tag in one place than in N files. Same goes for scripts in footer etc.
Every page should be accessible on its own (via URL) but give the feel of no tab refresh, here's where AJAX comes at play:
header.php
:
QUESTION
I have 3 Tables
Table 1 is a Trainings Table:
TrainingID Name Someotherfield 1 aa whatever is 2 bb in this fieldTable 2 is an employee list
EmpID LastName FirstName DOB etc. 1 John Doe mm 2 Jane Foe yyTable 3 is the table where these two tables meet :
EmpID TrainingID Compdate etc 1 3 ddmmyy x 2 1 ddmmyy x 2 2 ddmmyy x 2 3 ddmmyy xWhat I need to be able to do, is query these three tables and return an EmpID and a TrainingID that are both not in the third table, so in this example my ideal response would be :
EmpID TrainingID 1 1 1 2What I have managed to do so far, is not great:
...ANSWER
Answered 2021-May-18 at 17:17Use a cross join (via ,
) in MS Access and then not exists
or left join
:
QUESTION
I have a file named webroot with below contents:
...ANSWER
Answered 2021-Apr-22 at 10:34Used below:
QUESTION
I have this code to show a subview in my app
...ANSWER
Answered 2021-Apr-09 at 09:15This works for me:
QUESTION
I am currently practicing making a simple website. I have a problem in the navigation bar above my website. When I scroll further down my website, their color when I hover and their responsiveness disappears. Here's a pic to help you understand my problem.
I don't know if I use some codes right but here's my code, you can leave a tip or you can also add on how the code works so I can correct my mistake.
...ANSWER
Answered 2021-Mar-27 at 01:33If you add z-index: 1;
to .topnav
, your problem will be solved. Because, topnav
falls under the other contents that comes after topnav
such as text, anchor est.
QUESTION
I'm currently practicing html and css by creating a simple website.
My problem is I can't put the navigation bar above the website. I think the problem is the header or the background video. Here's the picture for more details. Click here
I think the gameplay paragraph will be on its own place when the navigation bar is resolved.
Now here's my html and css code.
...ANSWER
Answered 2021-Mar-25 at 00:30If I were you I'd put my logo in my nav as well if you are going to place it there. To put it on top and stay there you could use position: absolute. Now you could also make it fixed so when you scroll it stays on top. I edited your code, add this to your css and it will work as a fixed nav.
QUESTION
I am new here. I'm learning web programming, and now I'm a bit stuck with Javascript. I want to validate that, when a new object is added to an array, it has all the required keys. I have shared below an array object, an example object with all the keys, and an object that does not have all the required keys. I tried to use Object.keys() to compare the keys of an array object, with the object to be input. However, unfortunately both objects that have all the keys and objects that do not have all the keys are taken as incomplete. I cannot add any new objects, even though they have all the keys that the other objects in the array have. Does anyone know where I am going wrong? I would be very grateful for help.
Thanks and best regards to all!
Francisco
Code:
...ANSWER
Answered 2021-Mar-12 at 18:39Comparing Object.keys(item) === Object.keys(pokemonList[0])
doesn't work because ===
does an identity comparison. If they're not literally the same array (they're not) this will never resolve to true.
You could use Array.every
and in
for this:
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