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HTML input - name vs. id [duplicate]
...aScript and PHP can see the URL there are workarounds
Is referenced in JS with getElementsByName()
Shares the same namespace as the id attribute
Must begin with a letter
According to specs is case sensitive, but most modern browsers don't seem to follow this
Used on form elements to submit informati...
How do I uninstall a Windows service if the files do not exist anymore?
...e.
Method 1 - You can use the SC tool (Sc.exe) included in the Resource Kit.
(included with Windows 7/8)
Open a Command Prompt and enter
sc delete <service-name>
Tool help snippet follows:
DESCRIPTION:
SC is a command line program used for communicating with the
NT Serv...
sql primary key and index
...et as the primary key. If I query off the ID often do I also need to index it? Or does it being a primary key mean it's already indexed?
...
Career day in kindergarten: how to demonstrate programming in 20 minutes? [closed]
I was invited to the kindergarten group of my elder daughter to talk and answer the kids' questions about my profession. There are 26 kids of age 4-6 in the group, plus 3 teachers who are fairly scared of anything related to programming and IT themselves, but bold enough to learn new tricks. I would...
How do you find all subclasses of a given class in Java?
...iven interface) in Java?
As of now, I have a method to do this, but I find it quite inefficient (to say the least).
The method is:
...
Sockets: Discover port availability using Java
How do I programmatically determine the availability of a port in a given machine using Java?
10 Answers
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Iterate through a HashMap [duplicate]
What's the best way to iterate over the items in a HashMap ?
7 Answers
7
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PersistentObjectException: detached entity passed to persist thrown by JPA and Hibernate
...
This is a typical bidirectional consistency problem. It is well discussed in this link as well as this link.
As per the articles in the previous 2 links you need to fix your setters in both sides of the bidirectional relationship. An example setter for the One side is in this ...
How to COUNT rows within EntityFramework without loading contents?
...ying to determine how to count the matching rows on a table using the EntityFramework.
7 Answers
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ssh: The authenticity of host 'hostname' can't be established
When i ssh to a machine, sometime i get this error warning and it prompts to say "yes" or "no". This cause some trouble when running from scripts that automatically ssh to other machines.
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