8 – The title of the page is not made after updating the page (possible cache problem)

That's the problem: the first time I access a page after a cache to rebuild, the title of this page is displayed correctly. But when I refresh (or access it later after navigating to other pages), the title disappears completely.

my page title.html.twig is as follows

    {% if title %}
      {{ title }}
    {% endif %}

and that does not pass the condition check.

If I debug with a stopping point in HOOK_preprocess_page_title () I see that the title is no. But if I debug HOOK_preprocess_page () the title has the correct markup. So it seems that somewhere between these two brackets, the title is being deleted / ignored.

Any ideas on why this is happening or where I could look for additional debugging?

I am currently using this workaround (included in case someone else is looking for a solution to this problem)

    function HOOK_preprocess_page_title(&$variables) {
      if (is_null($variables('title'))) {
        $request = Drupal::request();
        $route_match = Drupal::routeMatch();
        if (isset($request) && isset($route_match)) {
          $title = Drupal::service('title_resolver')->getTitle($request, $route_match->getRouteObject());
          if(!empty($title)) {
            $variables('title') = DrupalCoreRenderMarkup::create('' . Html::escape($title) . '');

but I would rather find the cause of this behavior and fix it.

Thank you!

What is the impact of the ranking of ads on the cost per click?

Hello friends,

I would like to know how the ranking of ads in terms of cost-per-click?

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apache – Problem when importing data from MYSQL-PostgreSQL to HDFS

I have a cluster building in CentOS, all the services work perfectly for me
HDFS, YARN, I used the Flume tool and I had no problem, I tested the
another apache tool, to perform ETL, sqoop, I've installed and configured
version 1.4.6, and the Hadoop version I'm using is version 3.0.2
I tried to solve the problem for my story but I did not succeed, I did a little
testing import data from a MYSQL and PostgreSQL database, but the following message is displayed:

sqoop import –connect jdbc: postgresql: // localhost / hadoop –username postgres –password 1234 –table student –m 1 –target-dir / user / flume / local

sqoop import –connect jdbc: mysql: // localhost / bigdata –username root –password 1234 –table student –m 1 –target-dir / user / flume / local

enter the description of the image here
What comes out only contains warnings stating that these products are not installed, it's like he's unaware of the commands I grab.

Using two currencies in WHMCS with basic conversion problem

I'm using WHMCS in a local host environment with two different currencies: 1] A 2] B
And A = 10B for the moment.
I want to set all product prices to A, so that B's conversion base is considered here to multiply each price by 10.

For example:
Product1: Monthly 1A / Annual 10A
Product1 should then be monthly 10B and annual 100B.
For the first time, when I click to recalculate and update prices, it works well.
But the problem is if I change the conversion base of B from 10 to 12, then in this situation:
Product1: monthly: 120 billion and every year, 1200 billion!

That's the problem I'm having right now and I'm unfortunately unable to solve it.
I want to change the conversion base from B to 12, for example, so that the correct monthly price is 12B and 120B per year.

Can you help me what should I do to overcome this problem?

Is there a problem in the compilation of jitismeet to generate jitismeet.framework to increase the price of the App store?

ERROR ITMS-90206: "Invalid package." The "XXX.app/Frameworks/JitsiMeet.framework" package contains the unauthorized "Frameworks" file. "

Ajax html response problem in Magento 1.9

I am facing a problem while getting an HTML response from ajax.
My ajax response contains an html element with the attribute "onclick". When I removed onclick, I received the answer, otherwise it shows me an error of 500 internal server.

Sample phtml file code (Ajax):

 jQuery( window ).load(function() {
            var temp_quote =jQuery('#quote-list-data').val();
            var compare =jQuery('#compare-data').val();
            var loadcollect = jQuery('#machine-key').val();
            var presentData = jQuery('#parent-class-data').val();
            var catData = jQuery('#cat-data').val();

                url: "getUrl('attr/employee/getListing'); ?>",
                type: "POST",
                data: {
                    temp_qquote_list: temp_quote,
                    compare_product: compare,
                     loadcollect: loadcollect,
                    presentData: presentData,
                dataType: 'html',
                success: function (response) {
                    console.log("Success Ajax ");


function showCompareLink(id, classname, link)
--------- code stmt ----------

Sample controller file code:

public function getListing()
    $listData = '';
        $compare_product = ($_POST('compare_product'));

    foreach ($_productCollectionData as $_product) {
          $entity_id = $_product->getId();

    $listData .='
'; if($_product->isSaleable()) { if (in_array($entity_id, $compare_product) && count($compare_product) >= 2) { $addto_class = 'after_compare_checkbox_new_' . $_product->getId(); $addto_display = 'none'; $compare_display = 'block'; } else { $addto_class = 'before_compare_checkbox_new_' . $entity_id; $addto_display = 'block'; $compare_display = 'none'; } if (in_array($entity_id, $compare_product)) { $ckhed = 'checked'; } else { $ckhed = ''; } $showCompareLinkParam = 'new'; $compareUrlForAnchor = Mage::getUrl('catalog/product_compare/index'); $onclickCompare = 'window.open("'.$compareUrlForAnchor.'", "_blank", "location=yes,height=720,width=720,toolbar=no,menubar=no,scrollbars=yes,resizable=yes")'; $_compareUrl = $obj->helper('catalog/product_compare')->getAddUrl($_product); $listData .='
'. $obj->__('Compare').'
'; } $listData .='
'; } echo $listData; }

Algorithm – How can I match my field of view with the Theta star? How could I solve my problem below?

I'm trying to implement my Theta Star algorithm, but I must first implement the line of sight algorithm. I've implemented my lineOFsight algorithm below in Python, I do not know if it's accurate. But when I call this line of sight function in my program, I have the error below:

    sight = lineOfsight(elevation1,drone_height,y1,x1,y2,x2)
NameError: name 'lineOfsight' is not defined

How could I fix this error? … and did I coded?

My Python code below for the line-of-sight algorithm:

from Thetastar import *
def lineOfsight(elevation1,drone_height,y1,x1,y2,x2):
    y_size = len(elevation1)
    x_size = len(elevation1(0))


    if dy < 0:

    if dx < 0:

    if dy >= dx:
        while y1 != y2:
            f = f + dx
            if f>=dy and 0 drone_height:

                    sight = 0
                    return sight
                x1 = x1 + sx
                f = f - dy
                if 0 drone_height:
                        sight = 0
                        return sight

                if 0h and E(y1+(sy-1)/2,x1-1) > drone_height:
                        return sight


        while x1 != x2:         
            if f>=dx and 0 drone_height:
                    return sight

            if 0 drone_height:
                    return sight

            if 1h and E(y1-1,x1+(sx-1)/2)> drone_height:
                    return sight
    sight = 1
    return sight 

8 – What would be the least clever way to solve the following problem with the layout builder?

We have a content type pageand taxonomic vocabulary sections. page has reference to a section and section has reference to a menu. In addition, we are interested in being able to build layouts per node, based roughly on the following:


The problem with the above structure is that the header (red) is node-specific and the actual content (green) is node-specific, but they are disconnected.

The menu is not specific to a node, it simply depends on a node, but it is actually the menu of the section. It must be displayed automatically if the node belongs to the section to which the menu has been assigned.

This disconnection of content creates a problem with regard to the Layout Builder. Why? Because through Layout Builder The node is built from sections, namely their layout. Sections act as a multi-valued field, they are rendered linearly to create the final result.

They can not be grouped or nested, which could potentially solve a problem, because if we could nest sections, we could simply create a section with header, section with menu and content, and in nested content several sections with several presentations. However, we have to do this in a linear way and we have a problem because we can create a section for the header, a section for the menu and the content, but we can not create multiple layouts for the content, because they require nesting.

Few solutions to this problem come to mind.

  1. To make the header and menu outside the layout generator, simply place them in the page.html.twig or node.html.twigwhich would extract the required data for the header and render them correctly outside the layout builder.

We do not feel well, because the best thing would be to manage all the content of the node in the layout builder, without making such exceptions. But as mentioned, the layout builder seems to only handle linear content, so it seems impossible to separately process the header and other content, as different regions, to which multiple sections could be added. The regions seem to exist only in sections, not outside of them.

  1. Use something like https://www.drupal.org/project/mini_layouts to allow nesting of the layout. This introduces dependency on a module in alpha version, but seems to be the best choice at the moment. Content that is not a header could then be put into mini-layouts.

  2. Somehow change the rendering / editing of layouts to allow me to have at least one level of nesting. The best thing would be for each section to have a "region" to which it belongs – which might perhaps be possible if I could create an "overlay", which would be an effective layout.

As you can see, I am aware of many more or less radical solutions to this problem, but I am looking for something that would be the least effective of all. Maybe I miss a popular contrib module, which would help in a more elegant way than other ideas?

Edit: It has just come to my mind. Can I effectively achieve an extra level of nesting by creatively using section setup? Could I make the section so configurable to the point of defining its "sub-layers"? In fact, this seems like a very clean way to achieve what I have to accomplish without adding addiction. Hmmm. Is there anything better?

Algorithms – Solve / mitigate the driver's problem without requiring identification?

Is there an algorithm / protocol to solve / mitigate the problem of stowaways without requiring identification?

In a web-based system, I want to distribute exactly one virtual dollar a day to each person, without requiring identification, when someone creates an account.

A mitigation solution would mean, for example, that a given person can get up to $ 2 a day (in case he would have created more than one account), but not much more. .

The algorithm should distribute to each person roughly the same amount of money per day. Thus, the ratio of money distributed to two different people per day should be about 1.

What are the advantages of the static site ..?

Hello friends,

What are the advantages of the static site ..?

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