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Storing JSON in database vs. having a new column for each key
I am implementing the following model for storing user related data in my table - I have 2 columns - uid (primary key) and a meta column which stores other data about the user in JSON format.
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How do you get the index of the current iteration of a foreach loop?
Is there some rare language construct I haven't encountered (like the few I've learned recently, some on Stack Overflow) in C# to get a value representing the current iteration of a foreach loop?
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Weird Integer boxing in Java
I just saw code similar to this:
10 Answers
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How can I quantify difference between two images?
Here's what I would like to do:
22 Answers
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How to apply a function to two columns of Pandas dataframe
Suppose I have a df which has columns of 'ID', 'col_1', 'col_2' . And I define a function :
12 Answers
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ArrayList initialization equivalent to array initialization [duplicate]
I am aware that you can initialize an array during instantiation as follows:
8 Answers
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How to show a confirm message before delete?
I want to get a confirm message on clicking delete (this maybe a button or an image). If the user selects ' Ok ' then delete is done, else if ' Cancel ' is clicked nothing happens.
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Passing by reference in C
If C does not support passing a variable by reference, why does this work?
17 Answers
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css 'pointer-events' property alternative for IE
I have a drop down navigation menu in which some of the title should not navigate to other page when clicked(these title open a drop down menu when clicked on) while others should navigate (these dont have dropdown and navigate directly).However, both types have href defined to them
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Why should the “PIMPL” idiom be used? [duplicate]
Backgrounder:
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