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How to map calculated properties with JPA and Hibernate
...SQL fragment:
@Formula("PRICE*1.155")
private float finalPrice;
Or even complex queries on other tables:
@Formula("(select min(o.creation_date) from Orders o where o.customer_id = id)")
private Date firstOrderDate;
Where id is the id of the current entity.
The following blog post is worth the...
MongoDB/NoSQL: Keeping Document Change History
A fairly common requirement in database applications is to track changes to one or more specific entities in a database. I've heard this called row versioning, a log table or a history table (I'm sure there are other names for it). There are a number of ways to approach it in an RDBMS--you can wri...
Ruby Regexp group matching, assign variables on 1 line
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How to set standard encoding in Visual Studio
...setting tip. I had this problem with xaml files, which caused error during compilation
– surfen
Jul 27 '12 at 10:09
Hi...
jQuery find element by data attribute value
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@MrUpsidown Welcome Happy to help :)
– Tushar Gupta - curioustushar
Feb 13 '14 at 14:45
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Fixed page header overlaps in-page anchors
...n my site (unrelated to anchors) been driving me crazy. Your non-clickable comment really helped. I owe ya big!
– zipzit
Mar 21 '14 at 16:27
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What is Robocopy's “restartable” option?
...an improvement of 20MB/s to 600MB/s after removing /z. Source: serverfault.com/a/812212/268224
– user643011
Jun 12 '19 at 6:37
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Custom attributes in styles.xml
...encoding="utf-8" ?>
<resources xmlns:android="http://schemas.android.com/apk/res/android">
<style name="CustomStyle">
<item name="android:layout_width">wrap_content</item>
<item name="android:layout_height">wrap_content</item>
<i...
How do I check if string contains substring? [duplicate]
...st the opposite of this. Will return a -1 if it does not exist. w3schools.com/jsref/jsref_indexof.asp Return value: A Number, representing the position where the specified searchvalue occurs for the first time, or -1 if it never occurs. For my needs: if (str.toLowerCase().indexOf("yes") == -1)
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What is http multipart request?
...HTTP clients construct to send files and data over to a HTTP Server. It is commonly used by browsers and HTTP clients to upload files to the server.
What it looks like
See Multipart Content-Type
See multipart/form-data
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