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Correct use of flush() in JPA/Hibernate
...formation about the flush() method, but I'm not quite clear when to use it and how to use it correctly. From what I read, my understanding is that the contents of the persistence context will be synchronized with the database, i. e. issuing outstanding statements or refreshing entity data.
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Increment a database field by 1
...say logins, how would I go about updating that field by 1 within a sql command?
5 Answers
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Java: Difference between the setPreferredSize() and setSize() methods in components
What is the main difference between setSize() and setPreferredSize() . Sometimes I used setSize() , sometimes setPreferredSize() , sometimes one does what I want, sometimes the other.
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Difference between MVC 5 Project and Web Api Project
I am new to ASP.NET MVC and Web API and trying to get the basics. AFAIK, we have project templates in VS 2013, named as MVC , Web API and Both of them together .
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Closing multiple issues in Github with a commit message
...rest of commit message.
The closes clauses can be anywhere in the message and fixes is a valid synonym:
This fixes a memory leak in foo() that closes #4,
also fixes #5 which is a duplicate.
The following used to work, but nowadays only references issues #2 and #3.
Closes #1, #2, #3
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Show a PDF files in users browser via PHP/Perl
...n why I use cgi to show the pdf is I want to track the clicks for the pdf, and cloak the real location of the saved pdf.
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Intersection of two lists in Bash
...und in two lists. To simplify, let's use ls as an example. Imagine "one" and "two" are directories.
6 Answers
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List tables in a PostgreSQL schema
...nslated to the regular-expression notation .*, ? which is translated to ., and $ which is matched literally. You can emulate these pattern characters at need by writing ? for ., (R+|) for R*, or (R|) for R?. $ is not needed as a regular-expression character since the pattern must match the whole nam...
What is ModelState.IsValid valid for in ASP.NET MVC in NerdDinner?
...le if property names have been changed, migrations have not been performed and as a result the SaveChanges(); fails and cannot occur due to the change.
– Oracular Man
Feb 25 '18 at 18:46
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Differences between Microsoft .NET 4.0 full Framework and Client Profile
The Microsoft .NET Framework 4.0 full installer (32- and 64-bit) is 48.1 MB and the Client Profile installer is 41.0 MB. The extracted installation files are 237 MB and 194 MB respectively, and once installed, they are 537 MB and 427 MB.
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