parameter & # 39; args & # 39; Has it been used to solve this problem? Kotlin with IntelliJ IDEA

(args: Array) {}
println ("Hello, Word!")

I can not execute when I try to show this:
App.kts: 1: 11: warning: parameter & # 39; args & # 39; is never used
(args: Array) {}

polynomials – An idea related to the Bunyakovsky conjecture

Obviously a reducible polynomial. $ f in mathbb Z[X]$ can only have a few cousins $ p in f ( mathbb Z) $, If any. Irreducible polynomials with a fixed primary splitter can have a maximum maximum $ p in f ( mathbb Z) $. The Bunyakovsky conjecture suggests that for an irreducible polynomial $ p $ with positive initial coefficient and without fixed prime divisors, $ f ( mathbb Z) $ It must contain infinite cousins.

But looking at the question from the perspective of the subring of whole value polynomials over $ mathbb Q $, $ operatorname {int} ( mathbb Z) $, the appearance of compounds and cousins ​​in $ f ( mathbb Z) $ It must be related to the possibility of factoring. $ f $ in $ operatorname {int} ( mathbb Z) $. Yes $ f $ have a fixed primary divisor, the factorization is trivial, but what contradicts a non-trivial factorization in $ operatorname {int} ( mathbb Z) $ If f does not have a fixed prime factor?

Because of Pólya $ operatorname {int} ( mathbb Z) $ It is a free Abelian group where all the elements. $ f $ can be expressed uniquely as linear combinations of irreducible polynomials (in this ring)

$ displaystyle left ( begin {matrix} X \ k \ end {matrix} right) =
frac {X (X-1) (X-2) cdots (X-k + 1)} {k!} $

where you can calculate the coefficients $ c_0 = f (0) $ Y $ displaystyle c_k = f (k) – sum_ {i = 0} ^ {k-1} c_i {k choose i} $.

My question is, are there non-trivial linear combinations like the previous ones, where the irreducible polynomials multiply in $ mathbb Z[X]$?

Is it a good idea to `tls_preempt_cipherlist = yes` in postfix today?

Postfix's own documentation says it can cause problems, but only mentions "Microsoft Exchange 2003 for Windows 2003 clients." Everything else I've found (first was CheckTLS, from what I could find, that's why it says "Does server encryption order? Nop (it's not right)") seems to think it should be there.

Is the postfix documentation outdated (or poorly written) at this point?

Is it a good idea to target 7 countries together in one place?

Hi all,

One of my clients is requesting to target 7 European countries together in one place. The countries include the United Kingdom, Belgium, France, Germany, the Netherlands, Switzerland and Turkey.

I do not think so, it's a good idea. I'm confused [​IMG] what to do?

Please, help me guys with this.

magento2.3 – Magento2, is it still necessary to disable a module before uninstalling it and configuring: update? Any idea why this can not be the only command?

To disable a Magento2 module, I do the following.

php bin / magento module: disable  - static -content
php bin / magento module: uninstall  -r
composer update
php bin / magento setup: update

Is there any reason why this is not part of the uninstall procedure? What problems are preventing better solutions at this time? What needs to be improved so that abstractions are less permeable?

clean code: is it a good idea to share repositories through microservices in the Spring Boot application?

In general, I do not promote this pattern, and I try very hard so that others do not use it.

One of the main points of a source code control system (software repository) is the ability to make changes.

One of the main management tools of a source code control system (software repository) is the ability to control dependencies.

By having a repository as a component of the code within a second repository, you lose the ability to control dependencies, in the limited development environment, as soon as your project grows beyond a single repository.

For example, if I want to modify the API of a db-commons module, this can be done and communicated easily. I can "release" the library from the source code control system and indicate that all other projects must be updated to the new API for the "next" version and that the previous version of the API is obsolete.

The other teams can make a decision. They decide if they are ready to update their code to use the new version, and update their dependency manifests as needed, according to their schedules and schedules.

With the "two repositories" model, as soon as I want to make a change in the common library, I run the risk of altering the deadlines and the results of all the systems that use that module. It could break projects that do not have the resources to update at that time, and could force projects to remove staff from their current "high business need" deliverable, to "fix" their code to work with the new API, even if that API It provides them with a small amount of immediate value.

Therefore, if you are doing a new field approach, read the signals from your developers that these two elements should be decoupled (hence the different git repository) and generate the dependency on a drop-down module (JAR file, Zip file) or whatever) and then make the main project dependent on the pull-down module, not the source code repository of the pull-down module, since this approach will ensure that no errors occur in the modularity, that the delivery is not affected and that the programming of the versions is not confused by deep dependencies through multiple repos.

php: is it a good idea to use Apache to verify the existence of files with RewriteCond! -F?

My team has an application written in php.
Most of the requests are rewritten in our index.php file using the condition below, in Apache .conf

RewriteRule ^ (. *) $ /Index.php [QSA,L]

For the thumbnails, I thought it would be a good idea to use Apache to verify these static files since it seems that they are always doing this file checking.

  1. If the thumbnail exists, then Apache will serve the thumbnail as it is assigned to the file structure.
  2. If the thumbnail does not exist, the request will simply be rewritten in index.php and routed to a controller that uses the exact same URI path. Then, you will create the thumbnail and send the image back to the same request using xsendfile.

From my tests, if the thumbnail (1) exists or is created (2), the image is cached in the browser as a normal static file and sent with the same ETAG.

All the original images of the thumbnails are in the server / mnt.

The only problem I had was that it is difficult to change the name of the files and the structure of the file is revealed.
https: //.com // images /

If the thumbnail does not exist, then the controller will read the to find the original image to create a miniature with the

https: //.com / 100x100 / images / 12152018 / renovation / 0001.png
This is a static file or a driver path.

Would this be a bad idea? Insurance?

What would be the best practice?

When is it a good idea to try a compilation with clang and gcc?

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Do you think the Donald Trump wall is a good idea?

Do not.
It would be enormously expensive to build it, according to estimates, $ 26 billion.
Even more expensive to maintain.
And it would not be effective.

If there is a definition of pig hut in the dictionary, this wall would be.
You would not be surprised to discover that Trump or one of his children own or have shares in the construction company that would get the contract without bidding.