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INSERT IF NOT EXISTS ELSE UPDATE?

I've found a few "would be" solutions for the classic "How do I insert a new record or update one if it already exists" but I cannot get any of them to work in SQLite. ...
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How to compile without warnings being treated as errors?

The problem is that the same code that compiles well on Windows, is unable to compile on Ubuntu. Every time I get this error: ...
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What is the advantage of using forwarding references in range-based for loops?

const auto& would suffice if I want to perform read-only operations. However, I have bumped into 3 Answers ...
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Difference between @Before, @BeforeClass, @BeforeEach and @BeforeAll

What is the main difference between 4 Answers 4 ...
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How to start nginx via different port(other than 80)

Hi I am a newbie on nginx, I tried to set it up on my server(running Ubuntu 4), which already has apache running. 5 Answer...
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Access Asset Catalog programmatically

I know it's a new feature and this may not be possible, but I would love to be able to use an Asset Catalog to organize my assets, but I access all of my images programmatically. How would I access my images, now? Do I still access them by their file names like so: ...
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Android: Generate random color on click?

I have an ImageView , in which I am programmaticly creating drawables and presenting them to the user. My goal is to click on said ImageView and change the drawable's color. ...
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Java inner class and static nested class

What is the main difference between an inner class and a static nested class in Java? Does design / implementation play a role in choosing one of these? ...
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How to properly add cross-site request forgery (CSRF) token using PHP

I am trying to add some security to the forms on my website. One of the forms uses AJAX and the other is a straightforward "contact us" form. I'm trying to add a CSRF token. The problem I'm having is that the token is only showing up in the HTML "value" some of the time. The rest of the time, the va...
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Is a `=default` move constructor equivalent to a member-wise move constructor?

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