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MySQL foreign key constraints, cascade delete

I want to use foreign keys to keep the integrity and avoid orphans (I already use innoDB). 3 Answers ...
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Using PropertyInfo to find out the property type

... validation. The validation is not important as such, but I want to understand the PropertyInfo class better. 2 Answers ...
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Lowercase and Uppercase with jQuery

... postfix: "", imageUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
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Why java.io.File doesn't have a close() method?

While java.io.RandomAccessFile does have a close() method java.io.File doesn't. Why is that? Is the file closed automatically on finalization or something? ...
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How to exclude file only from root folder in Git

...me files being added, but I have several config.php files in source tree and I need to exclude only one, located in the root while other keep under revision control. ...
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What is Data URI support like in major email client software?

Data URIs are a standard way to embed images and other binary data in HTML, and browser support is well documented on the web. (IE8 was the first version of IE to support Data URI, with a max 32 KB size per URI; other major browsers have supported it even longer.) ...
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Remove duplicate lines without sorting [duplicate]

... The UNIX Bash Scripting blog suggests: awk '!x[$0]++' This command is telling awk which lines to print. The variable $0 holds the entire contents of a line and square brackets are array access. So, for each line of the file, the node of the array x is incremented and the line printed if ...
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Elastic search, multiple indexes vs one index and types for different data sets?

I have an application developed using the MVC pattern and I would like to index now multiple models of it, this means each model has a different data structure. ...
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How to wait for all goroutines to finish without using time.Sleep?

...s code selects all xml files in the same folder, as the invoked executable and asynchronously applies processing to each result in the callback method (in the example below, just the name of the file is printed out). ...
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How to calculate the bounding box for a given lat/lng location?

I have given a location defined by latitude and longitude. Now i want to calculate a bounding box within e.g. 10 kilometers of that point. ...