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How to get the insert ID in JDBC?
... key, then you can use Statement#getGeneratedKeys() for this. You need to call it on the same Statement as the one being used for the INSERT. You first need to create the statement using Statement.RETURN_GENERATED_KEYS to notify the JDBC driver to return the keys.
Here's a basic example:
public v...
Django - Circular model import issue
I'm really not getting this, so if someone could explain how this works I'd very much appreciate it. I have two applications, Accounts and Theme... here is my settings list:
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Cleanest way to write retry logic?
Occasionally I have a need to retry an operation several times before giving up. My code is like:
29 Answers
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Most concise way to convert a Set to a List
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... and thereby radically defying the Java code conventions: oracle.com/technetwork/java/javase/documentation/… ! :) :)
– Håvard Geithus
Feb 1 '14 at 0:49
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Is there a difference between /\s/g and /\s+/g?
...eans "one or more spaces".
But, because you're using the /g flag (replace all occurrences) and replacing with the empty string, your two expressions have the same effect.
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GSON throwing “Expected BEGIN_OBJECT but was BEGIN_ARRAY”?
...pe. You can't just try and cast the result like that and expect it to magically work ;)
The User guide for Gson Explains how to deal with this:
https://github.com/google/gson/blob/master/UserGuide.md
This will work:
ChannelSearchEnum[] enums = gson.fromJson(yourJson, ChannelSearchEnum[].class);
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Flatten List in LINQ
...nt>> but i want to return only List<int> so i want to merge all my record in my IEnumerable<List<int>> to only one array.
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jQuery find parent form
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In HTML5, there is a new 'form' attribute which allows you to have the element outside the parent form. This should be checked first.
– mcintyre321
Aug 4 '15 at 11:00
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ActiveRecord, has_many :through, and Polymorphic Associations
...on. :source should points to the polymorphic belongs_to relationship. Then all you need to do is specify :source_type for the relationship you're trying to define.
This fix to the Widget model should allow you do exactly what you're looking for.
class Widget < ActiveRecord::Base
has_many :wid...
How to output a comma delimited list in jinja python template?
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This is awesome, especially at the end of the loop in html
– Sinux
Aug 27 '15 at 14:38
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