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What's the difference between session.persist() and session.save() in Hibernate?
Can anyone tell me what's the advantage of persist() vs save() in Hibernate?
10 Answers
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How does the vim “write with sudo” trick work?
Many of you have probably seen the command that allows you to write on a file that needs root permission, even when you forgot to open vim with sudo:
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android.view.InflateException: Binary XML file: Error inflating class fragment
I have a very frustrating error that I cannot explain. I created an Android application that uses Android AppCompat to make it compatible with older versions. Here is my main activity layout file:
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Hidden Features of Xcode
With a huge influx of newbies to Xcode, I'm sure there are lots of Xcode tips and tricks to be shared.
89 Answers
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Is there a good reason to use upper case for SQL keywords? [closed]
The default seems to be upper case, but is there really any reason to use upper case for keywords? I started using upper case because I was just trying to match what SQL Server gives me whenever I tried to create something, like a new stored procedure. But then, I felt terrible for my baby (5th) fin...
How to clear gradle cache?
I'm trying to use Android Studio, and the first time I boot it up, it takes like 45 MINUTES to compile... If I don't quit the application, it is okay - each subsequent compilation/running the app will take around 45 seconds.
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Convert java.util.Date to java.time.LocalDate
What is the best way to convert a java.util.Date object to the new JDK 8/JSR-310 java.time.LocalDate ?
13 Answers
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redirect COPY of stdout to log file from within bash script itself
I know how to redirect stdout to a file:
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What is a software framework? [closed]
Can someone please explain me what a software framework is? Why do we need a framework? What does a framework do to make programming easier?
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What should my Objective-C singleton look like? [closed]
My singleton accessor method is usually some variant of:
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