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@Basic(optional = false) vs @Column(nullable = false) in JPA
... the specification and read up about it.
Here is what the spec has to say:
http://download.oracle.com/otndocs/jcp/persistence-2.0-fr-oth-JSpec/
Basic(optional): Whether the value of the field or property may be
null. This is a hint and is disregarded for primitive types; it may be
used in sc...
When does Java's Thread.sleep throw InterruptedException?
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From Don't swallow interrupts
See the entire paper here:
http://www.ibm.com/developerworks/java/library/j-jtp05236/index.html?ca=drs-
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JSON Naming Convention (snake_case, camelCase or PascalCase) [closed]
...our technology" stack. A producer of JSON especially if to served up by a HTTP server should have no knowledge of who or what is consuming it, or for what reasons. If JSON is used as a method of communication between many producers and consumers, then the technology stack of the producer should no...
Change File Extension Using C#
... = Path.ChangeExtension(myfile,".blah")
You should look this post too:
http://msdn.microsoft.com/en-us/library/system.io.path.changeextension.aspx
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How to send an email with Gmail as provider using Python?
...but my user name / pass was correct. Here is what fixed it. I read this:
https://support.google.com/accounts/answer/6010255
In a nutshell, google is not allowing you to log in via smtplib because it has flagged this sort of login as "less secure", so what you have to do is go to this link while y...
How to return raw string with ApiController?
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You could have your Web Api action return an HttpResponseMessage for which you have full control over the Content. In your case you might use a StringContent and specify the correct content type:
public HttpResponseMessage Get()
{
return new HttpResponseMessage()
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How to assign Profile values?
...gn-time out-of-the-box. Here is a utility that supposedly does it for you: http://weblogs.asp.net/joewrobel/archive/2008/02/03/web-profile-builder-for-web-application-projects.aspx. Personally, that utility caused an error in my project so I ended up rolling my own profile class to inherit from Prof...
Getting distance between two points based on latitude/longitude
I tried implementing this formula: http://andrew.hedges.name/experiments/haversine/
The aplet does good for the two points I am testing:
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Rails Model find where not equal
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In Rails 4.x (See http://edgeguides.rubyonrails.org/active_record_querying.html#not-conditions)
GroupUser.where.not(user_id: me)
In Rails 3.x
GroupUser.where(GroupUser.arel_table[:user_id].not_eq(me))
To shorten the length, you could sto...
How do I compare two files using Eclipse? Is there any option provided by Eclipse?
...se Install Software via Eclipse->Help->Install New Software screen):
http://andrei.gmxhome.de/eclipse/
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