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android get all contacts
... if(cur!=null){
cur.close();
}
}
If you need more reference means refer this link Read ContactList
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scopes with lambda and arguments in Rails 4 style?
... style of lambda either, so if you feel more comfortable using that by all means go for it.
I don't personally like the stabby lambda's syntax myself but eventually they will probably become the norm so it doesn't hurt to get used to them.
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Meaning of epsilon argument of assertEquals for double values
...If you want a margin of error (say for degrees) you could set epsilon to 1 meaning that, for example, 64.2° is the same as 64.8° (since abs(64.8-64.2) < 1)
– Pieter De Bie
Sep 25 '15 at 8:14
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When and why I should use session_regenerate_id()?
...e specific: dependend on the scripts security a session ID not necessarily means you can access the data of a logged out user, but generally spoken it's a possible and a high risk.
– codekandis
Feb 15 '18 at 10:33
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Coarse-grained vs fine-grained
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In term of dataset like a text file ,Coarse-grained meaning we can transform the whole dataset but not an individual element on the dataset While fine-grained means we can transform individual element on the dataset.
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How to redirect to a 404 in Rails?
...uch as the ActiveRecord::RecordNotFound displaying the 404 error page.
It means you don't need to rescue this action yourself
def show
user = User.find(params[:id])
end
User.find raises an ActiveRecord::RecordNotFound when the user doesn't exist. This is a very powerful feature. Look at the fo...
Java ArrayList replace at specific index
...o asked question, he has mentioned he wants to replace the element so that means he has the arraylist with elements in it. now clear Sir???
– Android Killer
Oct 15 '13 at 4:45
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Difference between attr_accessor and attr_accessible
...ield for :price_off, if it's in your model it's available by default. This means a crafted POST could still set it. Using attr_accessible white lists those things that can be mass assigned.
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SPA best practices for authentication and session management
...which can be pretty bad.
tl;dr: Sending unencrypted tokens over the wire means that attackers can easily nab those tokens and pretend to be your user. FireSheep is a program that makes this very easy.
A Separate, More Secure Zone
The larger the application that you're running, the harder it is ...
Understanding dict.copy() - shallow or deep?
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By "shallow copying" it means the content of the dictionary is not copied by value, but just creating a new reference.
>>> a = {1: [1,2,3]}
>>> b = a.copy()
>>> a, b
({1: [1, 2, 3]}, {1: [1, 2, 3]})
>>> a[1].appe...