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User Help Web Pro

Improve single page SERP position

I have several city specific pages, more like extended suburbs specific pages, each with their own CTA. My home page uses a similar CTA as these other cities, but is more generic about location. My city specific pages rank well for the exact keywords, but I’m wondering if I’m diluting everything by having similar but […]

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User Help Web Pro

Google Ads and Google Analytics Conversion Values do not match

I’m seeing some pretty different numbers for Conversion Value in Google Ads and Revenue in Google Analytics over the same time period for the same campaign. The Revenue reported in Google Analytics for a campaign seems to be quite higher than Conversion Value in Google Ads. For one of our campaigns, it’s 18% higher. This […]

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Ask Chemistry

Why is the water solubility of CO worse than CO2’s?

I tried my best to ask SciFinder, Google and Google Scholar the wrong questions … I found many paper on the fitting of the solubility to some equations to be able to calculate the amount of CO in water, but I could hardly find any explanation on the low solubility. Only one paper [1] dealt […]

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Ask Chemistry

How does copper rich “weld thru” primer protect iron / steel?

In the automotive industry, to protect steel which cannot be painted (e.g. the gap or seam between two sheet panels), a product known as weld thru primer is sometimes used. This is a coating of zinc-rich or copper-rich material which is meant to prevent rusting of the steel, especially at the weld points. From the […]

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Mastering Development

Why doesn’y my Kivy label text fit in the label?

I have a big knowledge gap about how Kivy sizes the various elements, and it is being resistant to my attempts to fix it. Here is my .kv file #:kivy 1.11.1 <StopWatch>: BoxLayout: orientation: ‘vertical’ canvas.before: Color: rgba: .2, .2, .2, 1 Rectangle: pos: self.pos size: self.size Label: text: “A long piece of text #1” […]

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Mastering Development

Output from Python running on Docker back to host with docker-compose

Im working on a OpenCv project and as many know, the instalation of that on windows is iritating. So, what i want to do is to run the project in a docker container and store the output to a folder on the host computer. In simple terms it is something like this: Program python / […]

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Mastering Development

Visual Studio Extension Mouse Button events not working

I have a Visual Studio extension with a tool window. The tool window has an UserControl, and the control has an Image which I use WriteableBitmap as a source. I want them to handle mouse and keyboard inputs by using events like MouseLeftButtonDown, but it seems like those events never get called. I have tried […]

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Mastering Development

two LEFT JOINs in SQL does not preserve data

This query: SELECT contacts.name, accounts.account FROM contacts LEFT JOIN deals ON contacts.id = deals.contact_id LEFT JOIN accounts ON accounts.deal_id = deals.id; returns: +——+——————-+ | name | account | +——+——————-+ | Bob | fun deal account | | Bob | NULL | | John | NULL | +——+——————-+ But I expected: +——+——————-+ | name | account […]

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Mastering Development

Python Exec not passing full variables to exec shell

Python “Exec” command is not passing full variables to exec shell. This should be a simple question but there is a lot of confusing answers and poorly exampled docs online. So for I can’t see how to pass this … “data” is a pandas dataframe and EXEC is only passing “SI” and then also offering […]

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Mastering Development

Qt Signal/Slot Issue

Hello guys I can’t figure out what’s going wrong here. I want to pass a value from a class to another. Here’s the code: mainwindow.h public slots: void printNumbers(int); mainwindow.cpp void MainWindow::printNumbers(int a) { qDebug() << a; } myudp.h signals: inline void sendBuff(int); myudp.cpp [***] connect(socket, SIGNAL(readyRead()), this, SLOT(readyRead())); const bool connected = connect(this , […]