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I can help you exchange between Crypto/Payeer/Perfectmoney with very less fess.

Here are the services I offer-

For amounts <$20 , I take 2%-3% fees depending on payment method.
For amounts >$20 , I take 1% fees to exchange.
For amounts >$45 , no fees.

Anyone interested can pm me me here.

backlinks – Would there be without any SEO risk if I link to some website with a high domain authority in exchange for traffic?

First, this is a common approach with people trying to get more links to their website. They’ve read some outdated SEO article about how to build more links to their site.

I get these emails asking me to link to their content regularly. No one ever offers me a reciprocal link (a clear violation of Google’s guidelines). But I have had people offer me money. That too is a clear violation of Google’s guidelines. See

The few times I have responded to these emails about how it would benefit me, I never hear back from them.

But to answer your questions, there’s little risk to you. Neither of the sites appear to be spammy based on their DA. Furthermore, Google appears to smart enough to ignore spammy links and not penalize for it. Additionally, linking to other domains doesn’t necessarily reduce your site’s rank. See Does using links to other pages dilute the linking page’s link juice/page rank?

However, if they aren’t going to link back to you, how would they send you traffic? Are they going to mention your company or your website anywhere? Or are you simply hoping that their having a lot of visitors (which is always a guess if you don’t have access to their system), will somehow generate traffic to your site?

Query Optimization for Subquery – Database Administrators Stack Exchange

Please help to optimize below MySQL query

        (SELECT GROUP_CONCAT(revenue)FROM LOGS WHERE user_id = AND TYPE ='conversion') AS revenue,
        (SELECT SUM(revenue) FROM LOGS WHERE TYPE ='impression' AND user_id = ) AS totalImpressions,
        (SELECT SUM(revenue) FROM LOGS WHERE user_id = AND TYPE ='conversion') AS totalConversions,
        (SELECT MIN(TIME) FROM LOGS WHERE user_id = ) AS minTime,
        (SELECT MAX(TIME) FROM LOGS WHERE user_id = ) AS maxTime
         FROM users u  

On/off buttons in Phaser – Game Development Stack Exchange

I am trying to make an on/off button for audio in Phaser, and when you click on the button once it shows the off button, but when I click on it again, the on button does not show. Right now I did not implement the audio feature, I am just working on the button itself first. Here is the code:

 soundOnOff() {
 gameState.on = this.add.image(this.config.width - 20 , 0 + 30, 'on')
 .setScale(2); = this.add.image(this.config.width - 20 , 0 + 30, 'off')

 gameState.on.setInteractive();; = false;

 gameState.on.on('pointerdown', () => {
 gameState.on.visible = false; = true;
 });'pointerdown', () => {
gameState.on.visible = true; = false;


Please tell me how I can fix this! Also, how do I make my bird, in gameState.bird, not jump when I click the button. Thank You!

javascript – FizzBuzz solution – Code Review Stack Exchange

I’m preparing for junior developer interviews and am trying to come up with a more interesting/versatile solution to FizzBuzz than I’ve done in the past. Any ideas of how I might DRY this up? Is it too difficult to read?

const isMultiple = (num, mod) => {
    return num % mod == 0

const fizzBuzz = (range, array) => {
    return (...Array(range)).fill('').map((el,i) => {
    i ++
    for (let element of array) { 
        isMultiple(i,element.number) && (el += 
        if (el == "") el = i
    return el

const objArr = (
    number: 3, 
    name: "Fizz"
    number: 5, 
    name: "Buzz"


UK visitors visa refusal – Travel Stack Exchange

My UK visitors visa was refused on August 2019.

I acknowledge you have submitted a letter from your family and sponsor and documents demonstrating their funds I am satisfied that your sponsor who I understand is your next of kin have sufficient funds to meet the cost relating to your visit. However it is your own circumstances which are of Paramount importance in the assessment of my application.

Then they said I stated I was a student but the information provided does not demonstrate I am a student or currently enrolled in an academic institution, then they said it is also unclear from my application and information provided how I am financially supported to meet the course of living in my country.

They said against this background I am not satisfied you have established the strength of your ties, is such that represents a strong reason for you to leave the UK afte the limited period I stated. My pplication was refused on 4.2 a abd c

I want to reapply now. I have evidence of being a student now. And I have started in my application my aunt have been the one supporting financially since my father is dead.

What are my chances of getting this visitors visa?

Empty String in Automata – Computer Science Stack Exchange

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cryptography – Encryption layers – Information Security Stack Exchange

I’m curious, as a green programmer, if one used layers of encryption methods, would this be more difficult to crack or impossible?


Layer 1- encryption method 1 “Encrypt this string”

Apply crypto = “encrypted mumbo jumbo”

Layer 2- encryption method 2 “encrypted mumbo jumbo”

Apply crypto layer 2 = “encrypted mumbo jumbo becomes encrypted mumbo jumbo”

And so on…

Does this heighten security and if so does would this take a long time to decrypt?

Edit Comments Fields – WordPress Development Stack Exchange

I need to edit the comments fields.

1 – The metadata should be only date;
2 – The comment itself should be trimmed;
3 – the word ‘says’ next to the name should be gone;

I believe I can manage the logics, however I do not know how to get these fields, apply the logic, and return them.

enter image description here

<article id="div-comment-5" class="comment-body">
                <footer class="comment-meta">
                    <div class="comment-author vcard">
                        <img alt="" src=";d=mm&amp;r=g" srcset=";d=mm&amp;r=g 2x" class="avatar avatar-50 photo" height="50" width="50" loading="lazy">                        <b class="fn"><a href="http://mundo.local" rel="external nofollow ugc" class="url">Stefano Monteiro</a></b> <span class="says">says:</span>                 </div><!-- .comment-author -->

                    <div class="comment-metadata">
                        <a href="http://mundo.local/videos/music-classic-canada-37/#comment-5"><time datetime="2021-01-21T17:59:16+00:00">January 21, 2021 at 5:59 pm</time></a> <span class="edit-link"><a class="comment-edit-link" href="http://mundo.local/wp-admin/comment.php?action=editcomment&amp;c=5">Edit</a></span>                 </div><!-- .comment-metadata -->

                                    </footer><!-- .comment-meta -->

                <div class="comment-content">
                    <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod 
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. </p>
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.</p>
                </div><!-- .comment-content -->

                <div class="reply"><a rel="nofollow" class="comment-reply-link" href="http://mundo.local/videos/music-classic-canada-37/?replytocom=5#respond" data-commentid="5" data-postid="830" data-belowelement="div-comment-5" data-respondelement="respond" data-replyto="Reply to Stefano Monteiro" aria-label="Reply to Stefano Monteiro">Reply</a></div>