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What is the difference between JOIN and JOIN FETCH when using JPA and Hibernate

... In this two queries, you are using JOIN to query all employees that have at least one department associated. But, the difference is: in the first query you are returning only the Employes for the Hibernate. In the second query, you are returning the Employes and all Depart...
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Useful example of a shutdown hook in Java?

...tting down gracefully. I am reading about shutdown hooks and I don't actually get how to make use of them in practice. 2 ...
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How do you close/hide the Android soft keyboard using Java?

...o help clarify this madness, I'd like to begin by apologizing on behalf of all Android users for Google's downright ridiculous treatment of the soft keyboard. The reason there are so many answers, each different, for the same simple question is that this API, like many others in Android, is horribly...
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When is it appropriate to use C# partial classes?

...es is to make life easier for code generators / designers. Partial classes allow the generator to simply emit the code they need to emit and they do not have to deal with user edits to the file. Users are likewise free to annotate the class with new members by having a second partial class. This pr...
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How to use JavaScript regex over multiple lines?

... way to specify "any character, including a newline". If you want to match all newlines, you would need to add \r as well to include Windows and classic Mac OS style line endings: (.|[\r\n]). That turns out to be somewhat cumbersome, as well as slow, (see KrisWebDev's answer for details), so a bett...
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Why can't I reference my class library?

... Then Microsoft should say this and include an option to put them all at the same version. – PRMan Apr 30 '17 at 23:12 1 ...
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Difference between webdriver.Dispose(), .Close() and .Quit()

...ose the browser window that the driver has focus of webDriver.Quit() - Calls Dispose() webDriver.Dispose() Closes all browser windows and safely ends the session The code below will dispose the driver object, ends the session and closes all browsers opened during a test whether the test fa...
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Android Task Affinity Explanation

...ayer stack of activities, and two of them were the same activity. Popping all 5 off the stack will create the phenomenon where you will be interacting with two different versions of the same activity and can be quite confusing. Users don't usually think in terms of a rigid stack of activities. ...
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How do I do a case-insensitive string comparison?

...he string Σίσυφος (“Sísyphos”, or better “Síſyphos”) has all three: uppercase at the front, lowercase final at the end, and lowercase nonfinal at the third position. If your two strings are Σίσυφος and ΣΊΣΥΦΟΣ, then your approach fails, because those are supposed to ...
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C# Test if user has write access to a folder

I need to test if a user can write to a folder before actually attempting to do so. 18 Answers ...