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Is there a VB.NET equivalent for C#'s '??' operator?
...entation):
' Variable first is a nullable type.
Dim first? As Integer = 3
Dim second As Integer = 6
' Variable first <> Nothing, so its value, 3, is returned.
Console.WriteLine(If(first, second))
second = Nothing
' Variable first <> Nothing, so the value of first is returned again. ...
What do the numbers in a version typically represent (i.e. v1.9.0.1)?
... like 2.0.4.2709
You won't find a lot of apps going down to four levels, 3 is usually sufficient.
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How do I set default values for functions parameters in Matlab?
...gainst the number of arguments. Something like:
function f(arg1, arg2, arg3)
if nargin < 3
arg3 = 'some default'
end
end
There are a few fancier things you can do with isempty, etc., and you might want to look at Matlab central for some packages that bundle these sorts of things.
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Are PostgreSQL column names case-sensitive?
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what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?
...hen you are dealing with different file systems such as Local FS, (S)FTP, S3, and others
hadoop dfs <args>
dfs is very specific to HDFS. would work for operation relates to HDFS. This has been deprecated and we should use hdfs dfs instead.
hdfs dfs <args>
same as 2nd i.e wo...
Preloading CSS Images
...; z-index:-1; // hide images
content:url(img1.png) url(img2.png) url(img3.gif) url(img4.jpg); // load images
}
Demo
it's better to use a sprite image to reduce http requests...(if there are many relatively small sized images) and make sure the images are hosted where HTTP2 is used.
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Why can't I overload constructors in PHP?
...meterA("foo");
$anotherObject = MyClass::makeNewWithParametersBandC("bar", 3);
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Does Qt support virtual pure slots?
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answered Jun 8 '10 at 14:43
ianmac45ianmac45
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Change Canvas.Left property in code behind?
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Unable to modify ArrayAdapter in ListView: UnsupportedOperationException
... Shamim Ahmmed
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answered Jul 8 '10 at 4:15
st0lest0le
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