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NoClassDefFoundError - Eclipse and Android
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234
I had this problem after updating ADT.
I was storing all of my JAR files in a folder called "l...
How to connect to Mysql Server inside VirtualBox Vagrant?
...ow can I connect to that server outside the vm? I already forward the port 3306 of the Vagrantfile , but when I try to connect to the mysql server, it`s resposts with the error:
'reading initial communication packet'
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SQL error “ORA-01722: invalid number”
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13 Answers
13
Active
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What's the best practice using a settings file in Python? [closed]
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238
You can have a regular Python module, say config.py, like this:
truck = dict(
color = 'blu...
Keyboard shortcut to change font size in Eclipse?
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L Y E S - C H I O U K H
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answered May 19 '16 at 13:33
ROMANIA_engineer...
Instagram how to get my user id from username?
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239
Very late answer but I think this is the best answer of this topic. Hope this is useful.
You c...
Why use ICollection and not IEnumerable or List on many-many/one-many relationships?
... ICollection<> (MSDN: http://msdn.microsoft.com/en-us/library/92t2ye13.aspx) for a list of objects that needs to be iterated through and modified, List<> for a list of objects that needs to be iterated through, modified, sorted, etc (See here for a full list: http://msdn.microsoft.com/en...
Variable's scope in a switch case [duplicate]
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3
also: use break for maintainability and bug prevention! even if not required.
– worenga
Nov 28 '14 at...
How do I set up IntelliJ IDEA for Android applications?
How do I set up IntelliJ IDEA for Android applications?
7 Answers
7
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What is the easiest way to duplicate an activerecord record?
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To get a copy, use the clone (or dup for rails 3.1+) method:
# rails < 3.1
new_record = old_record.clone
#rails >= 3.1
new_record = old_record.dup
Then you can change whichever fields you want.
ActiveRecord overrides the built-in Object#clone to give you a new ...