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Can someone explain mappedBy in JPA and Hibernate?

...that. You're telling both models that they "own" the IDAIRLINE column. Really only one of them actually should! The 'normal' thing is to take the @JoinColumn off of the @OneToMany side entirely, and instead add mappedBy to the @OneToMany. @OneToMany(cascade = CascadeType.ALL, mappedBy="airline")...
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Table Naming Dilemma: Singular vs. Plural Names [closed]

...t wanted to add this... Is it possible that "User" (or "Users") is not actually a full description of the data held in the table? Not that you should get too crazy with table names and specificity, but perhaps something like "Widget_Users" (where "Widget" is the name of your application or website) ...
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How do you comment out code in PowerShell?

... PowerShell V2 <# #> can be used for block comments and more specifically for help comments. #REQUIRES -Version 2.0 <# .SYNOPSIS A brief description of the function or script. This keyword can be used only once in each topic. .DESCRIPTION A detailed description of the function...
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How to clear Facebook Sharer cache?

...the URL of the page you want to share, and click "debug". It will automatically extract all the info on your meta tags and also clear the cache. share | improve this answer | ...
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Optional Parameters in Go?

...ety of methods with the same name but different signatures was occasionally useful but that it could also be confusing and fragile in practice. Matching only by name and requiring consistency in the types was a major simplifying decision in Go's type system. ...
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How can I use Google's Roboto font on a website?

... You don't really need to do any of this. Go to Google's Web Fonts page search for Roboto in the search box at the top right Select the variants of the font you want to use click 'Select This Font' at the top and choose the weights an...
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Join vs. sub-query

... @user1735921 IMO it depends ... Generally, it's very important the readability of the code, because it is of great importance for later management of it... Let's remember the famous statement of Donald Knuth: "Premature optimization is the root of all evil (or a...
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Windows XP or later Windows: How can I run a batch file in the background with no window displayed?

... Do you need the second batch file to run asynchronously? Typically one batch file runs another synchronously with the call command, and the second one would share the first one's window. You can use start /b second.bat to launch a second batch file asynchronously from your first that s...
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Resizing UITableView to fit content

... Actually I found the answer myself. I just create a new CGRect for the tableView.frame with the height of table.contentSize.height That sets the height of the UITableView to the height of its content. Since the code modifies th...
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Add a custom attribute to a Laravel / Eloquent model on load?

...; } } Any attributes listed in the $appends property will automatically be included in the array or JSON form of the model, provided that you've added the appropriate accessor. Old answer (for Laravel versions < 4.08): The best solution that I've found is to override the toArray() metho...