q | A platform-independent promise library for C | Reactive Programming library
kandi X-RAY | q Summary
kandi X-RAY | q Summary
For a C++ programmer, it is likely easiest to learn and to understand the library by some examples.
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q Key Features
q Examples and Code Snippets
def _count_cross_inversions(P, Q):
"""
Counts the inversions across two sorted arrays.
And combine the two arrays into one sorted array
For all 1<= i<=len(P) and for all 1 <= j <= len(Q),
if P[i] > Q[j], then (i, j)
public static Result commonAncestorHelper(TreeNode root, TreeNode p, TreeNode q) {
if (root == null) {
return new Result(null, false);
}
if (root == p && root == q) {
return new Result(root, true);
}
Result rx = commonAnces
public static TreeNode commonAncestor(TreeNode root, TreeNode p, TreeNode q) {
if (!covers(root, p) || !covers(root, q)) {
return null;
} else if (covers(p, q)) {
return p;
} else if (covers(q, p)) {
return q;
}
TreeNode sibling
Community Discussions
Trending Discussions on q
QUESTION
I have this:
...ANSWER
Answered 2021-Jun-16 at 02:00Add this to the end of your code in the script
QUESTION
I have this code which prints multiple tables
...ANSWER
Answered 2021-Jun-15 at 20:59So, this is a good opportunity to use purrr::map
. You are half way there by applying code to one dataframe.
You can take the code that you have written above and put it into a function.
QUESTION
So I created a poll model in my Django app. I'm going thorugh the polling app tutorial posted on the Django website, however, I'm using a remote MySQL database rather than a SQLite database.
...ANSWER
Answered 2021-Jun-15 at 20:06I'm thinking the suspect is an unsuccessful migration. Let's undo it and try again
QUESTION
So... I can sympy.integrate
a normal distribution with mean and standard deviation:
ANSWER
Answered 2021-Jun-15 at 01:38Here's a close case that works:
QUESTION
Given MySQL tables something like this1:
...ANSWER
Answered 2021-Jun-15 at 13:49If there is a one-to-one mapping, you can join
back using the type column:
QUESTION
I have a list (dput() below) that has 4 datasets.I also have a variable called 'u' with 4 characters. I have made a video here which explains what I want and a spreadsheet is here.
The spreadsheet is not exactly how my data looks like but i am using it just as an example. My original list has 4 datasets but the spreadsheet has 3 datasets.
Essentially i have some characters(A,B,C,D) and i want to find the proportions of times each character occurs in each column of 3 groups of datasets.(Check video, its hard to explain by typing it out)
...ANSWER
Answered 2021-Jun-09 at 19:00We can loop over the list
'l' with lapply
, then get the table
for each of the columns by looping over the columns with sapply
after converting the column to factor
with levels
specified as 'u', get the proportions
, t
ranspose, convert to data.frame
(as.data.frame
), split by row (asplit
- MARGIN = 1), then use transpose
from purrr
to change the structure so that each column from all the list
elements will be blocked as a single unit, bind them with bind_rows
QUESTION
I have the following two interfaces, one which allows a nullable vin
, the other that doesn't:
ANSWER
Answered 2021-Jun-15 at 18:49You can use a type predicate to define a user-defined type guard like this:
QUESTION
First time actually using anything to do with swing - sorry for the poor code and crude visuals!
Using swing for a massively over-complicated password checker school project, and when I came to loading in a JMenuBar, it doesn't render properly the first time. Once I run through one of the options first, it reloads correctly, but the first time it comes out like this:
First render attempt
But after I run one of the methods, either by clicking one of the buttons that I added to check if it was just the JFrame that was broken or using one of the broken menu options, it reloads correctly, but has a little grey bar above where the JMenuBar actually renders: Post-method render
The code for the visuals is as follows:
...ANSWER
Answered 2021-Jun-15 at 18:29You should separate creating your menu from your content. Please review the following example. I decoupled your menu, component, and event logic into meaningful phases.
QUESTION
Once I enter q, I get the error:
...ANSWER
Answered 2021-Jun-15 at 17:33You need to check for "q" before you use the value. You need to convert given
to float BEFORE you add it in to the sum. The statement count+1
does nothing; it computes count + 1 and throws it away. This should work.
QUESTION
I'm having a problem with if statements that I cannot figure out.
My code:
ANSWER
Answered 2021-Jun-15 at 07:44A "for expression" must return unit
, so the result is not propagated. For example:
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