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How do the post increment (i++) and pre increment (++i) operators work in Java?
... in the addition and then increment it to 6 (current value 6). Increment a from current value 6 to 7 to get other operand of +. Sum is 12 and current value of a is 7. Next increment a from 7 to 8 (current value = 8) and add it to previous sum 12 to get 20.
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How to use ternary operator in razor (specifically on HTML attributes)?
...esource_en.Department_View_DescartChanges)
</a>
if the text is not from App string Resources use this
@(Model.ID == 0 ? "Back" :"Descart Changes")
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Why can't I forward-declare a class in a namespace using double colons?
... still wouldn't work, because you can't declare a class within a namespace from outside that namespace. You have to be in the namespace.
So, you can in fact forward declare a class within a namespace. Just do this:
namespace Namespace
{
class Class;
};
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How do I create an HTML table with a fixed/frozen left column and a scrollable body?
...r anyone who is interested. Essentially the solution moves the headers off from the table and set each of them a 5em width. The table itself is pushed to the right for the same 5em width. This makes a visual appearance that the headers are still part of the normal flow in the table.
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Java - JPA - @Version annotation
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Although @Pascal answer is perfectly valid, from my experience I find the code below helpful to accomplish optimistic locking:
@Entity
public class MyEntity implements Serializable {
// ...
@Version
@Column(name = "optlock", columnDefinition = "intege...
What are the “standard unambiguous date” formats for string-to-date conversion in R?
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This is documented behavior. From ?as.Date:
format: A character string. If not specified, it will try
'"%Y-%m-%d"' then '"%Y/%m/%d"' on the first non-'NA' element,
and give an error if neither works.
as.Date("01 Jan 2000") ...
Choosing between qplot() and ggplot() in ggplot2 [closed]
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One more variant from me: I use qplot when I'm typing directly into the console, and ggplot when I'm writing scripts. But after finding over and over again that I want to recreate a plot I typed into the console 15 minutes earlier, I write a...
Refused to display in a frame because it set 'X-Frame-Options' to 'SAMEORIGIN'
...g a website that is supposed to be responsive so that people can access it from their phones. The site has got some secured parts that can be logged into using Google, Facebook, ...etc (OAuth).
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CreateElement with id?
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You can use g.id = 'desiredId' from your example to set the id of the element you've created.
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What is meant by “managed” vs “unmanaged” resources in .NET?
...p after if it's abandoned. A short-lived object's subscription to an event from a long-lived object, for example, would be an unmanaged resource even though both objects are under the control of the garbage-collector, since the GC will have no way of knowing that the subscription should be scrapped ...