boxing | quick and dirty php implementation for a box packing problem | Learning library
kandi X-RAY | boxing Summary
kandi X-RAY | boxing Summary
this some kind of box packing algorithm, check if n boxes fit in n bigger boxes. i use this for checking if items will fit a packaging box. if this algorithm says true: they do definitely fit, if this algorithm says false: they most probably will not fit, but this is a program, not a cop.
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Top functions reviewed by kandi - BETA
- Check if the size fits the box
- Find subboxes .
- Sorts an array .
- Sort an array .
- Checks if the size fits in the bounds
- Get next box id
- Get the next box size
- Add an outer box .
- Add inner box .
- Check if the box fits more than box size
boxing Key Features
boxing Examples and Code Snippets
Community Discussions
Trending Discussions on boxing
QUESTION
As far as I know Integer, for example, has cached instances with a value of -128 to 127. This is a JLS requirement. JLS 5.1.7:
If the value p being boxed is the result of evaluating a constant expression (§15.29) of type boolean, byte, char, short, int, or long, and the result is true, false, a character in the range '\u0000' to '\u007f' inclusive, or an integer in the range -128 to 127 inclusive, then let a and b be the results of any two boxing conversions of p. It is always the case that a == b.
So I can understand the point of using Integer.valueOf() or Long.valueOf() instead of creating instances with a new operator. Using valueOf() returns fixed instances with values from -128 to 127. In this case, I can even compare two objects using the == operator. Moreover I can increase upper range of cache with -XX:AutoBoxCacheMax=
java option.
But I can't figure out why the new Float() and new Double() are deprecated? Neither Float nor Double has a cache. And the valueOf() operator returns the instance created with the new operator.
According to the JDK documentation, I should use the static factory methods Float.valueOf() or Double.valueOf() instead of new Float() or new Double() and I'll have "significantly better space and time performance". But where are they?
...ANSWER
Answered 2022-Apr-03 at 12:46They assumed that they might one day add a cache, in which case the advice would be correct. But it never happened, and probably never will, so it makes no difference.
QUESTION
Given the following dictionary:
...ANSWER
Answered 2022-Mar-03 at 14:40First of all, what you are describing here is very close to (or is ?) the Multiple knapsack problem. There are a numerous way to solve this problem, depending on what conditions you impose on the results.
I recommended you read this page and the resources associated with it to better frame your desired output. For example, can we omit items ? What if we cannot satisfy your constraint on the results (within [195,205]) with the current list of items ?
Using pure python, a naive approach to reduce code amount using a greedy approach could be (given that your dictionary is sorted in descending order):
QUESTION
From the words of MS, reads and writes (along with other operations) to doubles are not atomic and thus not thread safe. I wanted to see if I can make reads and writes to double thread safe by boxing the double values and making the reference to the boxed value volatile. Below is a class that demonstrates my use of boxed doubles across a worked and consumer thread:
...ANSWER
Answered 2022-Feb-16 at 18:18Yes, your code is thread-safe. Since the objCounter
is a volatile
field, the two lines below:
QUESTION
Thanks to a good answer here, and a superb one here, I've got most of the layout I'm aiming for. Sticky, fixed height header and footer, body in the middle - centered and at a fixed aspect ratio.
The only thing not working is that the body pushes the footer off the bottom, so that it's no longer sticky. (run snippet, scroll down to see the not-sticky-anymore footer).
The only way I've been able to affect this is by limiting the height of the #parent
div, for example, to 80vh
. This ends up leaving space above the footer depending on the vh.
Is there a way to do just this layout below, except keep the footer on the page?
I found a pertinent similar question here on SO, but alas, unanswered.
...ANSWER
Answered 2022-Feb-16 at 17:20There is a way to do this by setting the elements to be position:fixed
.
I was able to achieve this, albeit not using flexbox styling, but nonetheless:
QUESTION
I have two different problems occurs at the same time.
I am having dimensionality problems with MaxPooling2d and having same dimensionality problem with DQNAgent.
The thing is, I can fix them seperately but cannot at the same time.
First Problem
I am trying to build a CNN network with several layers. After I build my model, when I try to run it, it gives me an error.
...ANSWER
Answered 2022-Feb-01 at 07:31Issue is with input_shape. input_shape=input_shape[1:]
Working sample code
QUESTION
I made a generic overload for Enum.HasFlag
that prevents boxing:
ANSWER
Answered 2022-Jan-19 at 16:10For details on the overload resolution process, see §12.6.4 of the specification. Right at the bottom of the general description of the process in §12.7.6.1, you can see:
Otherwise, an attempt is made to process
E.I
as an extension method invocation (§12.7.8.3). If this fails,E.I
is an invalid member reference, and a binding-time error occurs.
If we take a look at §12.7.8.3:
if the normal processing of the invocation finds no applicable methods, an attempt is made to process the construct as an extension method invocation
This is pretty clear that an attempt is made to bind an extension method only if the overload resolution process fails to find an applicable instance method.
This is a deliberate decision. If this were not the case, adding a single using
statement to the top of a file could change how methods are bound further down in the file -- spooky action at a distance, which the spec generally tries to avoid.
However, since .NET Core 2.1, Enum.HasFlag
has been a JIT intrinsic (it was the poster-child for which the JIT intrinsics mechanism was introduced). This means that although the IL may say to box and call the Enum.HasFlag
method, in reality the JIT knows that it can replace this with a single bitwise test.
For example, the code:
QUESTION
I'm using MediatR
to do Request - Response logging in my application using IPipelineBehavior
Code Sample:
...ANSWER
Answered 2022-Jan-10 at 14:57You need to specify the type of your TRequest
parameter in your abstract class as well. It has to be at least specific as the parameter in the interface you're trying to implement.
QUESTION
I have a many to many relationship modelling a boxing match:
- A fight can have multiple fighters (always 2)
- A fighter can be in multiple fights
My schema looks like this:
...ANSWER
Answered 2021-Dec-28 at 15:37You can do that as follow:
QUESTION
ANSWER
Answered 2021-Dec-05 at 16:36The tab20c
colorbar only has 20 colors which is smaller than your number of categories. One thing you could do though is to concatenate several colormaps together and use it for your plot. I used the approach from this and applied it to your situation. You can find the code below:
QUESTION
I get the following error message on the line:
...ANSWER
Answered 2021-Nov-21 at 14:32You need to implement IComparable
in Säljare
. The way you implement it will control how the data will be sorted.
Here's an example that sorts by "Namn", then by "Personnummer", then by "Disktrikt" Then by "AntalSåldaArtiklar", all ASC and not case-sensitve.
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Install boxing
PHP requires the Visual C runtime (CRT). The Microsoft Visual C++ Redistributable for Visual Studio 2019 is suitable for all these PHP versions, see visualstudio.microsoft.com. You MUST download the x86 CRT for PHP x86 builds and the x64 CRT for PHP x64 builds. The CRT installer supports the /quiet and /norestart command-line switches, so you can also script it.
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