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What is the difference between Class and Klass in ruby?
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class is a keyword used to define a new class. Since it's a reserved keyword, you're not able to use it as a variable name. You can't use any of Ruby's keywords as variable names, so you won't be able to have variables named def or module or if...
How to implement a many-to-many relationship in PostgreSQL?
I believe the title is self-explanatory. How do you create the table structure in PostgreSQL to make a many-to-many relationship.
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Deserialize JSON to ArrayList using Jackson
...ass MyPojo that I am interested in deserializing from JSON. I have configured a special MixIn class, MyPojoDeMixIn , to assist me with the deserialization. MyPojo has only int and String instance variables combined with proper getters and setters. MyPojoDeMixIn looks something like this:
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Recommended date format for REST GET API
... a recommended date format. Really it boils down to what works best for your end user and your system. Personally, I would want to stick to a standard like you have for ISO 8601 (url encoded).
If not having ugly URI is a concern (e.g. not including the url encoded version of :, -, in you URI) ...
static allocation in java - heap, stack and permanent generation
...ing a lot on memory allocation schemes in java, and there have been many doubts as I have been reading from various sources. I have collected my concepts, and I would request to go through all of the points and comment on them. I came to know that memory allocation is JVM specific, so I must say bef...
Cannot change column used in a foreign key constraint
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The type and definition of foreign key field and reference must be equal.
This means your foreign key disallows changing the type of your field.
One solution would be this:
LOCK TABLES
favorite_food WRITE,
person WRITE;
ALTER TABLE favorite_food
DROP FOREIGN KEY fk_fav...
How to send a JSON object using html form data
...ify it.
var formData = JSON.stringify($("#myForm").serializeArray());
You can use it later in ajax. Or if you are not using ajax; put it in hidden textarea and pass to server. If this data is passed as json string via normal form data then you have to decode it using json_decode. You'll then get...
What is a memory fence?
What is meant by using an explicit memory fence?
4 Answers
4
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Which Boost features overlap with C++11?
I put my C++ skills on the shelf several years ago and it seems now, when I need them again, the landscape has changed.
2 A...
Where to place $PATH variable assertions in zsh?
I love zsh , but I am not sure where to place my $PATH and other variable assertions? I find that they are scattered between the files .zshrc .zprofile .bashrc .bash_profile , and sometimes doubled.
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