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Convert a negative number to a positive one in JavaScript
... 100; ~x+1 === -100. Math.abs always makes it a positive whilst taking the ones complement simply inverts the sign.
– jduncanator
Dec 18 '14 at 12:53
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Android: What is better - multiple activities or switching views manually?
...icult later on to change the flow of your application. It also results in one mega-Activity that can be a lot harder to handle than a lot of smaller pieces of code.
I have trouble imagining that speed is really an issue; if it is then there's something wrong with the way you're initializing each A...
How to split a column into two columns?
I have a data frame with one column and I'd like to split it into two columns, with one column header as ' fips' and the other 'row'
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Difference between 3NF and BCNF in simple terms (must be able to explain to an 8-year old)
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Your pizza can have exactly three topping types:
one type of cheese
one type of meat
one type of vegetable
So we order two pizzas and choose the following toppings:
Pizza Topping Topping Type
-------- ---------- -------------
1 mozzarella cheese
1 ...
SQL Server - copy stored procedures from one db to another
...m new to SQL, and what I needed to do was to combine 2 .mdf databases into one. I did that using SQL Server 2008 Manager - Tasks > Import/Export tables.The tables and views were copied successfully, but there are no Stored procedures in the new database. Is there any way to do that?
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any tool for java object to object mapping? [closed]
...r is a Java Bean to Java Bean
mapper that recursively copies data
from one object to another. Typically,
these Java Beans will be of different
complex types.
Dozer supports simple property
mapping, complex type mapping,
bi-directional mapping,
implicit-explicit mapping, as well as...
DTO = ViewModel?
... the model of the view. ViewModels typically are full or partial data from one or more objects (or DTOs) plus any additional members specific to the view's behavior (methods that can be executed by the view, properties to indicate how toggle view elements etc...). You can look at the viewmodel as al...
Constructor in an Interface?
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This is true and may solve Sebi's immediate problem. But one reason for using interfaces in Java is because you cannot have multiple inheritance. In a case where I cannot make my "thing" an abstract class because I need to inherit from something else, the problem remains. Not that ...
Why should I use an IDE? [closed]
...ly of IDEs, saying "some people still just dont know "why" they should use one...". As someone who uses vim for programming, and works in an environment where most/all of my colleagues use either vim or emacs for all of their work, what are the advantages of IDEs? Why should I use one?
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Can I call a constructor from another constructor (do constructor chaining) in C++?
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The one downside of using init() is you can't declare a pointer or ref that is const (as in the ref/pointer is const rather the thing it points at) if you don't initialise it in the constructor().
– locka
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