kandi X-RAY | reflecting Summary
kandi X-RAY | reflecting Summary
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QUESTION
I'm trying to sort my rows according to the Status (B), according to a custom order. I used to have Status in A, and the code worked fine, but then wanted to add an additional column before it and everything's been scuppered. Now getting a 1004 error.
My table spans A:L. Here's the code:
...ANSWER
Answered 2021-Jun-11 at 21:02The error implies that it can't find a range to work with.
As we are working with a table, the .Columns(2)
wont work.
This part hints that you have a table that your are trying to sort.
There's two approaches that I can think of now, to solve this:
1. Sort a regular range by custom list
We can remove the table by:
- Click on the table
- Go to design tab
- Convert to Range
Then your originally code will work (Changed Key1:=.Columns(2)
):
QUESTION
I'm trying to make a tic-toc game without using classes and with player-computer. The whole code in codesandbox.io
The piece of code, where the problems appear:
...ANSWER
Answered 2021-Jun-12 at 08:01There are few things that need to be fixed.
- In your
handleClick
, you are usingsetSquares((squares) => squares.splice(i, 1, "X"))
.squares.splice
will mutate the state variablesquares
which one should never do. - Also
splice
doesn't return updated array but
An array containing the deleted elements.
This causes squares
from [null, null, null, null, null, null, null, null, null]
to [null]
causing you board to become blank for a moment. Then your setSquares((squares) => [...squares2])
kicks in from setTimeout
making squares
back to array making your square values visible again hence, the flash.
computersTurnHandler
might returnundefined
in some cases where none of thereturn
statements trigger hence
Uncaught TypeError: squares2 is undefined handleClick Board.js:34
- You need to prevent user from clicking until your
setTimeout
is complete else multiple rapid clicks by user will cause inconsistent behaviour.
As for your query
is it acceptable at all to use Promises in that case
Usually situations like these can simply be solved by making use of temporary variable in most cases.
Now the Solution with promise and fixed handleClick
and computersTurnHandler
is as follows
QUESTION
I am having the same issue as this thread: Reflecting tables with Flask-SQLAlchemy raises RuntimeError: application not registered I tried adding:
...ANSWER
Answered 2021-Jun-10 at 08:24The issue is that the app tries to go through the reflection classes without being fully loaded, so sqlalchemy gets an error due to not finding the currently running app and raises RuntimeError. I found that to fix that you need to provide app_context and therefore this fixed my issue.
I changed my app file to:
QUESTION
I'm trying to make a simple puzzle system for a game involving beams of light and mirrors in Unity. The light beams are created using an empty GameObject that casts a Raycast2D and uses a LineRenderer to display the beam. When a beam collides with a mirror object I simply use Vector2.Reflect
to calculate the new direction.
The implementation works fine when the mirrors are static. When I try to move them around in-game, it causes random stack overflow errors, and there doesn't seem to be a pattern. Here's an example of a working mirror setup:
Here's what happens when I try to move a mirror:
I'm guessing it's due to the mirror somehow reflecting the beam back and causing an infinite reflection loop, but I'm not sure why that would happen.
Relevant code:
...ANSWER
Answered 2021-Jun-09 at 11:15If the condition if(hit.collider.gameObject.tag == "Mirror")
is not met, you are doing a lightPoints.Add(hit.point);
and upadting the beam, adding points to the LineRenderer
component position array also. That does not seem a good idea, as presumably you will get to the point when the ray does not hit anymore. As is, once you get to that point you keep on adding points, leading to the stack overflow.
I would add some safegard condition, where you stop adding points to your lists/arrays if you dont hit a gamobject of interest, maybe a determined ray length, or a condition that avoids the point to be added if the ray does not hit.
I checked the line of the error you are having in the script itself with not very revaling info. But you got the script there in case that helps.
QUESTION
I am trying to set up sentry in my project with version 1.7.30. It is a spring boot project with gradle, i am using the sentry spring boot starter dependency with:
...ANSWER
Answered 2021-Jun-07 at 13:37You're mixing configuration options from Sentry SDK 3.x+ with Sentry 1.7.x. Sentry + Logback auto-configuration and properties like sentry.logging.minimum-event-level
works only in the new SDK.
If you must use 1.7.x you have to configure Logback appender in logback.xml
.
QUESTION
I've been trying to implement a theme logic for my custom components. I'll use ZFButton as example.
When the app starts I instantiate ZFbutton and set whatever characteristics I want this one theme to have:
...ANSWER
Answered 2021-Jun-06 at 16:57For the first problem I ended up using the following extension, which does see properties with getters/setters unlike Mirror:
QUESTION
I have the following list of dataframes. I need to remove from each df the rows that include only the values NaN or Zero. I cannot change all Zeros to NaN, as in other columns, they have a valid meaning rather than reflecting missing/not a number info. Ideally, i would like to combine the commands in this sort of format [x.dropna(axis=0, how='all') for x in dfs]. thank you!
data
...ANSWER
Answered 2021-Jun-03 at 09:15You can replace 0 to missing values, but better is removed original DataFrames by this repalced one with tested all rows if exist at least one non NaN
value in boolean indexing
:
QUESTION
When I was converting a program from Java to C#, I noticed that the string comparison seems to behave differently in some cases:
In Java
...ANSWER
Answered 2021-May-30 at 20:21Java does the same as the 'ordinal' comparision in c#.
The java documentation says 'It compares strings on the basis of Unicode value of each character in the strings.'
For non-surrogate unicode characters this is the same as string.CompareOrdinal
in c#, which "Compares two String objects by evaluating the numeric values of the corresponding Char objects in each string."
I'm not sure if they're the same for high unicode codepoints (surrogate pairs) or not, but I suspect they might be, since both Java and c# uses 16 bits char types.
The 'standard' c# string.Compare
, on the other hand, performs 'culture-sensitive' comparision. Which means that it 'uses the current culture to obtain culture-specific information such as casing rules and the alphabetic order of individual characters'.
You can read more about this at the documentation for System.Globalization.CompareOptions
.
QUESTION
There is a tuple of UInt8's in a struct MIDIPacket. Normal assignment is like this:
...ANSWER
Answered 2021-May-28 at 20:08There's no official API for doing this, but IIRC, tuples of homogeneous element types are guaranteed to have a contiguous memory layout. You take advantage of this by using UnsafeBufferPointer
to read/write to the tuple.
Usually this requires you to manually hard-code the tuple's element count, but I wrote some helper functions that can do this for you. There's two variants, a mutable one, which lets you obtain an UnsafeBufferPointer
, which you can read (e.g. to create an Array
), and a mutable one, which gives you a UnsafeMutableBufferPointer
, through which you can assign elements.
QUESTION
We are creating a inventory system for items called readoutprobes and readoutprobekits. The schema, below, is simplified, using the words items and itemkits.
An itemkit, is a predefined collection of 1 or more items, i.e. a kit. In a kit, a specific type of an item, can only occur once. A kit, typically contains ~40 items. The definition of items in a kit, is captured by the itemkit_item table. The inventory for the kits, are captured in the itemkit_containers table.
An itemkit_container do not track physical item containers. Instead, its assumed that a physical itemkit is properly 'assembled', using a set of physical items, but we don't know which ones. When populated, the 'populated' field in an itemkit_containers record, is set to true.
The inventory for items are tracked by a item_containers table. Its existence is monitored by the containers volume. When the volume is 0, the container is considered emptied.
Getting the count of physical item containers, with a volume > 0, for a specific item, is obtained from the item_container table, and the same for the kits
We want to get a 'reserved count' number for each item, reflecting the kits inventory.
For example, say we got an item, named A, having a count of 42. If we are creating an itemkit containing an item named A, and a corresponding itemkit_container, we want to have a count of 'reserved' being 1, for item A.
The 'master query' for items looks like this:
...ANSWER
Answered 2021-May-05 at 06:25Thanks for such detailed description and all the necessary sample data.
As you already tried in your query you can have the item with quantity by joining items and item_containers table. For calculating free or reserved item you need to left join itemkit_containsers table since inventory for items in a kit is stored there. So just calculate the count for any item in itemkit_containers then you got your reserved quantity and by subtracting it from item_count of item_containsers table will give you free quantity for that item.
Schema and insert statements:
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