computer vision – Descriptors on key features during mapping

This question is related to this question.

In SLAM applications, feature detectors such as SIFT are used to find key points in the images to be combined. The key candidate points are combined by aligning deformed patches around these points (as far as I can understand).
What is the role of the descriptor vector in this process? Is it used to select the best candidate in the neighborhood?

Does Gmail Exchange sync offer more features than IMAP sync?

I understand that it is possible to configure a Gmail account to synchronize with your email client not with IMAP but with Microsoft Exchange.

The iPhone mail client is compatible with IMAP and Microsoft Exchange as a synchronization method.

My question is: is Exchange-based synchronization better in several ways?

The only way I know it is better is that Exchange-based synchronization supports a true "push" notification, which tells the iPhone when a new message has arrived, so it is always synchronized without. In contrast, with IMAP, I understand that it is mail. The application is only recovering periodically.

Are there other important differences in functionality, stability, speed, etc.?

Recommended research articles or best practices for UI techniques to encourage users to explore more features of a complex application?

All of the following is a guide to what not to do, which could leave the best practices more obvious, but still completely subjective.

TL; DR do not bother to read if you are looking for an obvious and objective answer, this question is, as indicated above, completely subjective. And software design best practices finally conflict with any attempt to answer the question.


This is an interesting question because Microsoft has made a terrible effort to answer this question with its tapes in Office. And then he successfully patented these fucking things.

That is insult to injury. Get in the wound. etc.

Their stated objective was to make the discovery of features and functionalities easier and faster, but they did it in such a way that they discouraged people who knew how to use more software, eliminating the original processes of use and adding steps to make the most Things, too. Moronic in the extreme.

Microsoft has followed this path with the changes in Windows 8 throughout the UI / UX and Windows 10 is not significantly better.

This is the greatest example of what not to do, in the most prominent and dominant software on earth. Therefore, it is important to consider and learn from their lessons. Although they have not done so. And I will not do it.

Similarly, "tip of the day" went out of style when Shareware did. Now it's just another window to click that nobody wants to try, and it's annoying.

Domain is something that should be encouraged. That means you must describe the benefits and find ways to attract users to search and find the powers of an application. This is as much marketing and advertising as UI and UX design.

Ice sculpture with chainsaws is a very good example of this well done.

The interactive prototypes made with Apple's Keynote are similar.

The process of removing features from Apple Pages is another illicit step. The fact that many users do not use all the functions does not mean that it was not they who pastored, taught and otherwise guided the majority of their users.

It's strange how Microsoft and Apple are constantly moving towards less concern for ambassadors and opinion leaders among their user bases, despite going in different directions in other aspects of their approaches.

Which leaves me with a very subjective response: your UI and UX should allow simplistic and demotivated users as much as possible without compromising UI and UX for advanced users and those who can discover and learn on their own.

Perhaps I am saying that you have to accept that people also have tools with different goals, talents and levels of trust.

And make videos about ice sculpture with your application.

features – add_filter to a specific WooCommerce category

To take into account variations, I would suggest using $product->get_category_ids() and checking if your category is there:

function wcs_custom_get_availability( $availability, $_product ) {
    $workshops_category   = get_term_by( 'slug', 'workshops', 'product_cat' );
    $product_category_ids = $_product->get_category_ids();

    if ( ! in_array( $workshops_category->term_id, $product_category_ids ) ) {
        return $availability;

    // Change In Stock Text
    if ( $_product->is_in_stock() ) {
        $availability('availability') = __('Available!', 'woocommerce');

    // Change in Stock Text to only 1 or 2 left
    if ( $_product->is_in_stock() && $_product->get_stock_quantity() <= 4 ) {
        $availability('availability') = sprintf( __('Only %s left!', 'woocommerce'), $_product->get_stock_quantity());

    // Change Out of Stock Text
    if ( ! $_product->is_in_stock() ) {
        $availability('availability') = __('Sorry, we sold out!', 'woocommerce');

    return $availability;

Also note that I have deleted the global $product; variable. Make sure you are reviewing the same product object for all your conditions, and that it is the product that is passed to the filter callback.

Capture SQL Server queries without third-party tools and without using deprecated features?

You could use Extended Events to capture this data. However, depending on the amount of traffic your server receives, this could turn into a large amount of data very quickly and could lead to performance problems.

I would like to limit the events that it tracks to something like sqlserver.rpc_completed or sqlserver.sql_statement_completed, these only capture what was completed. Erin Stellato wrote an excellent piece about using XEvent Profiler to capture queries in SQL Server.

From SSMS, I would go to Administration> Extended Events> Session and use the New Session Wizard or New Session to start building your session to track data. Microsoft documents include many details on how to configure this.

This is an example of something that I recently implemented to capture queries on a specific server, you can add filters to remove queries you don't want to see, such as some server names or application names that run queries too:

ADD EVENT sqlserver.rpc_completed(
    WHERE (NOT (sqlserver).(like_i_sql_unicode_string)((sqlserver).(client_hostname),N'%name%') 
            AND (sqlserver).(not_equal_i_sql_unicode_string)((sqlserver).(client_hostname),N'name') 
            AND NOT (sqlserver).(like_i_sql_unicode_string)((sqlserver).(client_app_name),N'%name%') 
            AND (sqlserver).(server_principal_name)<>N'')),
ADD EVENT sqlserver.sql_statement_completed(
    WHERE (NOT (sqlserver).(like_i_sql_unicode_string)((sqlserver).(client_hostname),N'%%') 
            AND (sqlserver).(not_equal_i_sql_unicode_string)((sqlserver).(client_hostname),N'name') 
            AND NOT (sqlserver).(like_i_sql_unicode_string)((sqlserver).(client_app_name),N'%name%') 
            AND (sqlserver).(server_principal_name)<>N''))
ADD TARGET package0.event_file(SET filename=N'D:XETrackQueries.xel',max_file_size=(5120))

This captures the details of what has been executed and places it in a file for easy reference and analysis.

sql server: Capture SQLServer queries without third-party tools and without using deprecated features?

Is it possible to capture all the queries sent to an MS SQL server, without third-party tools and without using disused features?

I am looking for something similar to the "general query record" in MySQL.

Here is an example using a third-party tool:

Here is an alternative that uses deprecated features:

Is there a native solution not in disuse?

popup – Discovering new features

I think the point is: do not show them your new features when you add them, show them when they need it.

Balsamiq does a great job hiding the functionality, and then makes you trip over it when you need it. For example, I was copying many images in the wired structure of balsamiq, and suddenly I thought: what would happen if I could copy and paste them? And I could! It is not a program of word processing, but in this case, it behaved as if in this way it took advantage of my knowledge already acquired in new ways.

Website design: How to name a page that contains 3 features that have no relation to each other?

I'm working on an intranet that requires users to enter 3 different sets of information.

A set is about your relationship with your organization (Partner, License, Applicant, etc.).
The second set is about their location (they usually live in the United Kingdom).
The third set is the team in which they work (international office).

I need to have the results (summary) of this information on the same page, because all the sets have a start and end date and they must be aligned. (Like having the same start or end date in a location and a team).

How do I name this page when the 3 features do not have information correlation or user tasks? I realize that I could summarize, but a summary of what? What is the name of the collection of these 3 characteristics?

scrum: standard approach for tracking half-baked features in Azure DevOps

We practice Scrum (SAFe) and we use Azure DevOps to track features and PBI. The team is not sure how to handle the features that were started but were not finalized at the end of an increment of the program.

Half of the team wants to move the function back to the accumulation of the program, but then we lose the ability to report on the effort we have already invested in the function, and the fact that our forecasts were wrong.

The other half of the team wants to clone the function … that contaminated our arrears.

Is there any standard way to do this? I would like an approach that does not confuse the new team members if possible.

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