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What is the difference between const and readonly in C#?
...he value at the time of a definition for a const VS readonly values can be computed dynamically but need to be assigned before the constructor exits.. after that it is frozen.
'const's are implicitly static. You use a ClassName.ConstantName notation to access them.
There is a subtle difference. Co...
Difference between Java Enumeration and Iterator
...e verbiage, and it has an additional remove method. Here is a side-by-side comparison:
Enumeration Iterator
---------------- ----------------
hasMoreElements() hasNext()
nextElement() next()
N/A ...
Android Activity as a dialog
...sses the back button.
Note that if you are using ActionBarActivity (or AppCompat theme), you'll need to use @style/Theme.AppCompat.Dialog instead.
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Difference between window.location.href=window.location.href and window.location.reload()
...w.location.href does not include the POST data.
As noted by @W3Max in the comments below, window.location.href=window.location.href will not reload the page if there's an anchor (#) in the URL - You must use window.location.reload() in this case.
Also, as noted by @Mic below, window.location.reloa...
How to use count and group by at the same select statement
...e functions when using GROUP BY.
Update (following change to question and comments)
You can declare a variable for the number of users and set it to the number of users then select with that.
DECLARE @numOfUsers INT
SET @numOfUsers = SELECT COUNT(*) FROM user
SELECT DISTINCT town, @numOfUsers
FR...
“Add as Link” for folders in Visual Studio projects
...
As this blogpost stated, it is possible.
<ItemGroup>
<Compile Include="any_abs_or_rel_path\**\*.*">
<Link>%(RecursiveDir)%(FileName)%(Extension)</Link>
</Compile>
</ItemGroup>
But be aware, the files will not be copied.
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Detecting when user scrolls to bottom of div with jQuery
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Is there a way to take a screenshot using Java and save it to some sort of image?
Simple as the title states: Can you use only Java commands to take a screenshot and save it? Or, do I need to use an OS specific program to take the screenshot and then grab it off the clipboard?
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C/C++ line number
In the sake of debugging purposes, can I get the line number in C /C++ compilers?
(standard way or specific ways for certain compilers)
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