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Is there a VB.NET equivalent for C#'s '??' operator?
Is there a VB.NET equivalent for C#'s ?? operator?
6 Answers
6
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error: default argument given for parameter 1
... @pocoa: Actually, it does make sense. If you give default values for parameters, these are filled in at the caller. So they have to be in the function's declaration, because this is what the callers need to see. If you had to repeat them at the definition it would be redundant and more has...
Fade/dissolve when changing UIImageView's image
...Fade;
transition.delegate = self;
[self.view.layer addAnimation:transition forKey:nil];
view1.hidden = YES;
view2.hidden = NO;
See the View Transitions example project from Apple: https://developer.apple.com/library/content/samplecode/ViewTransitions/Introduction/Intro.html#//apple_ref/doc/uid/DTS...
How does one reorder columns in a data frame?
...This is ok when you have a limited number of columns, but what if you have for example 50 columns, it would take too much time to type all column numbers or names. What would be a quicker solution?
– Herman Toothrot
Aug 30 '13 at 12:01
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A TwoWay or OneWayToSource binding cannot work on the read-only property
...="True" - no luck.
Other searches say the readonly should fix it, but not for me.
I've got an ugly workaround by adding a dummy setter...
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MySQL: Order by field size/length
... @mastazi according to MySQL documentation: OCTET_LENGTH() is a synonym for LENGTH().
– Heitor
Oct 1 '17 at 5:35
'C...
Error: “The node to be inserted is from a different document context”
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You need to import the node into the document before appending it:
XmlNode oNode = moDoc.CreateNode(sNodeType, sName, sNamespaceURI);
//necessary for crossing XmlDocument contexts
XmlNode importNode = oParent.OwnerDocument.ImportNode(oNode, true);
oParent.AppendChild(im...
How to check if a column exists in Pandas
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This will work:
if 'A' in df:
But for clarity, I'd probably write it as:
if 'A' in df.columns:
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Missing Maven dependencies in Eclipse project
We have a project set up with maven for resolving dependancies. It usually works fine, but now I am trying to compile and run it on a new PC and I have problem with missing dependencies in Eclipse.
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vim repeat find next character 'x'
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Is there a useful reason you can't use . for this? That was the command I expected to work.
– Daniel Kaplan
Mar 20 '15 at 22:58
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