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How to annotate MYSQL autoincrement field with JPA annotations
Straight to the point, problem is saving the object Operator into MySQL DB.
Prior to save, I try to select from this table and it works, so is connection to db.
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How do I clone a Django model instance object and save it to the database?
...set the primary key to None, and save the object again:
blog = Blog(name='My blog', tagline='Blogging is easy')
blog.save() # blog.pk == 1
blog.pk = None
blog.save() # blog.pk == 2
In this snippet, the first save() creates the original object, and the second save() creates the copy.
If you keep...
How do I detect “shift+enter” and generate a new line in Textarea?
...etter I suggest using that:
https://stackoverflow.com/a/6015906/4031815
My solution
I think you can do something like this..
EDIT : Changed the code to work irrespective of the caret postion
First part of the code is to get the caret position.
Ref: How to get the caret column (not pixels) ...
Cannot change version of project facet Dynamic Web Module to 3.0?
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I updated my web.xml
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xm...
C/C++ include header file order
...'s a problem with the headers themselves, not with the order of includes.
My personal preference is to go from local to global, each subsection in alphabetical order, i.e.:
h file corresponding to this cpp file (if applicable)
headers from the same component,
headers from other components,
system...
git rebase: “error: cannot stat 'file': Permission denied”
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When I see this on my machine, it's worse than just a "some process has the file open". The actual ownership of the file gets jacked up to the point where I (running as administrator) can only access it after rebooting.
Nearest I can tell, II...
Codesign error: Provisioning profile cannot be found after deleting expired profile
... I found that, in addition to the above, I had to delete all of my profiles, re-download them from the provisioning portal, and reimport them into XCode. Then, in Build Settings / Code Signing, select the proper profile for all build configurations.
– Jay Imerman
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External template in Underscore
...nd outdated. I'd delete it, but it is the "accepted" answer. I'll inject my opinion instead.
I wouldn't advocate doing this anymore. Instead, I would separate all templates into individual HTML files. Some would suggest loading these asynchronously (Require.js or a template cache of sorts). Tha...
inject bean reference into a Quartz job in Spring?
...iringSupport.processInjectionBasedOnCurrentContext(this); as first line of my Job.execute(JobExecutionContext context) method.
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Is there a command line utility for rendering GitHub flavored Markdown?
... How does one go about getting nice styling on the resulting HTML? My output is still rendered with Times New Roman, for example.
– Holistic Developer
Aug 25 '18 at 18:49
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