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JPA EntityManager: Why use persist() over merge()?
EntityManager.merge() can insert new objects and update existing ones.
15 Answers
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Rearranging Tab Bar Controller Order in StoryBoard
... relationship in the StoryBoard graphically? I can't find a way to do this and I'm sure I must be missing something!
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What does “@@ -1 +1 @@” mean in Git's diff output?
...:30:39.942229878 -0800 to indicate the date, time with fractional seconds, and time zone. The fractional seconds are omitted on hosts that do not support fractional time stamps.
You can change the header's content with the --label=label option; see See Alternate Names.
Next come one or mor...
Rename package in Android Studio
How do you rename packages in the new IDE Android Studio, based on IntelliJ IDEA?
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Differences between utf8 and latin1
what is the difference between utf8 and latin1?
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Numpy array dimensions
I'm currently trying to learn Numpy and Python. Given the following array:
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How to add leading zeros?
...s of 10 width 8 too.
anim <- 25499:25504
x <- 10 ^ (0:5)
paste (and it's variant paste0) are often the first string manipulation functions that you come across. They aren't really designed for manipulating numbers, but they can be used for that. In the simple case where we always have t...
How may I sort a list alphabetically using jQuery?
I'm a bit out of my depth here and I'm hoping this is actually possible.
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How can I force division to be floating point? Division keeps rounding down to 0?
I have two integer values a and b , but I need their ratio in floating point. I know that a < b and I want to calculate a / b , so if I use integer division I'll always get 0 with a remainder of a .
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Export specific rows from a PostgreSQL table as INSERT SQL script
I have a database schema named: nyummy and a table named cimory :
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