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What is the difference between a database and a data warehouse?
...e acount that how they say over, OLTP Tables they have to be normalized in order not to have inconsistences . the normalization is not so complicated to do in a E-R schema but it´s much more complicate for Star-Schema or Snow-Flow thats. These Schemas are made to ease a read in the Database and no...
What is Full Text Search vs LIKE
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FTS involves indexing the individual words within a text field in order to make searching through many records quick. Using LIKE still requires you to do a string search (linear or the like) within the field.
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Can not deserialize instance of java.util.ArrayList out of START_OBJECT token
... a JSON Array - that would look like this:
[
{
"name": "Test order1",
"detail": "ahk ks"
},
{
"name": "Test order2",
"detail": "Fisteku"
}
]
Since you're not controlling the exact process of deserialization (RestEasy does) - a first option would be...
Xcode 5: Code signing entitlement errors
... build a new application which is going to support IOS 7. I got the new XCode 5 GM and tried to sign my apps using my fresh provisioning profile and distribution certificate, but i'm having trouble with distribution. I constantly get the following error:
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How to implement an STL-style iterator and avoid common pitfalls?
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Here is sample of raw pointer iterator.
You shouldn't use iterator class to work with raw pointers!
#include <iostream>
#include <vector>
#include <list>
#include <iterator>
#include <assert.h>
template<type...
How do I associate a Vagrant project directory with an existing VirtualBox VM?
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Using python's eval() vs. ast.literal_eval()?
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datamap = eval(raw_input('Provide some data here: ')) means that you actually evaluate the code before you deem it to be unsafe or not. It evaluates the code as soon as the function is called. See also the dangers of eval.
ast.literal_eval...
How to run a program without an operating system?
... select to boot from the USB.
It is often possible to configure the search order in those menus.
For example, on my T430 I see the following.
After turning on, this is when I have to press Enter to enter the boot menu:
Then, here I have to press F12 to select the USB as the boot device:
From th...
What JSON library to use in Scala? [closed]
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There are quite a variety of alternatives. I list them in no particular order, with notes:
parsing.json.JSON - Warning this library is available only up to Scala version 2.9.x (removed in newer versions)
spray-json - Extracted from the Spray project
Jerkson ± - Warning a nice library (built on...
Explanation of strong and weak storage in iOS5
... all remaining weak pointers will be zeroed out.
Perhaps an example is in order.
Imagine our object is a dog, and that the dog wants to run away (be deallocated).
Strong pointers are like a leash on the dog. As long as you have the leash attached to the dog, the dog will not run away. If five peo...