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Java - JPA - @Version annotation
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192
But still I am not sure how it works?
Let's say an entity MyEntity has an annotated versi...
How to convert timestamp to datetime in MySQL?
How to convert 1300464000 to 2011-03-18 16:00:00 in MySQL?
5 Answers
5
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IntelliJ IDEA JDK configuration on Mac OS
I am using IntelliJ IDEA 10. Every time when I create a new project, it is asking me to choose JDK for this project. Anyone know how I can configure it and make it easy to use?
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SQL Server: Maximum character length of object names
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152
128 characters. This is the max length of the sysname datatype (nvarchar(128)).
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What is the difference between Int and Integer?
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188
"Integer" is an arbitrary precision
type: it will hold any number no
matter how big, up...
Why should I prefer single 'await Task.WhenAll' over multiple awaits?
... of multiple await ? e.g, is DoWork2 below a preferred method to DoWork1 (and why?):
5 Answers
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Swift Programming: getter/setter in stored property
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107
Ok. Reading through Apples documentation on Swift I found this:
If you assign a value to a...
Regex to validate date format dd/mm/yyyy
...post.
I modified it to take dd/mm/yyyy, dd-mm-yyyy or dd.mm.yyyy.
^(?:(?:31(\/|-|\.)(?:0?[13578]|1[02]))\1|(?:(?:29|30)(\/|-|\.)(?:0?[13-9]|1[0-2])\2))(?:(?:1[6-9]|[2-9]\d)?\d{2})$|^(?:29(\/|-|\.)0?2\3(?:(?:(?:1[6-9]|[2-9]\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00))))$...
SQLite string contains other string query
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199
Using LIKE:
SELECT *
FROM TABLE
WHERE column LIKE '%cats%' --case-insensitive
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How to add to an existing hash in Ruby
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191
If you have a hash, you can add items to it by referencing them by key:
hash = { }
hash[:a] =...