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Access parent URL from iframe

Okay, I have a page on and on this page I have an iframe. What I need to do is on the iframe page, find out what the URL of the main page is. ...
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Is it bad practice to make a setter return “this”?

...you know which fields you need to set at the time you're writing the code, and there are many different combinations for which fields you want to set. Alternatives to this method might be: One mega constructor (downside: you might pass lots of nulls or default values, and it gets hard to know w...
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Strip spaces/tabs/newlines - python

...lied: runs of consecutive whitespace are regarded as a single separator, and the result will contain no empty strings at the start or end if the string has leading or trailing whitespace. Demo: >>> myString.split() ['I', 'want', 'to', 'Remove', 'all', 'white', 'spaces,', 'new', 'line...
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Adding placeholder text to textbox

...; myTxtbx.Text = "Enter text here..."; myTxtbx.GotFocus += GotFocus.EventHandle(RemoveText); myTxtbx.LostFocus += LostFocus.EventHandle(AddText); public void RemoveText(object sender, EventArgs e) { if (myTxtbx.Text == "Enter text here...") { myTxtbx.Text = ""; } } public void A...
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When and why to 'return false' in JavaScript?

When and why to return false in JavaScript? 12 Answers 12 ...
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Is there a faster/shorter way to initialize variables in a Rust struct?

...default. You could define a new type that implements a default value of -1 and use that instead of i64 in your struct. (I haven't tested that, but it should work). However, I'd suggest to slightly change your data structure and use Option<i64> instead of i64. I don't know the context of your ...
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How to wait for async method to complete?

... Very nice, thank you. I was scratching my head on a similar issue and the difference was to change void to Task just as you had said. – Jeremy Dec 11 '14 at 20:19 ...
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How can I get column names from a table in SQL Server?

... You can obtain this information and much, much more by querying the Information Schema views. This sample query: SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = N'Customers' Can be made over all these DB objects: CHECK_CONSTRAINTS COL...
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How do I get a plist as a Dictionary in Swift?

I am playing around with Apple's new Swift programming language and have some problems... 26 Answers ...
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Django rest framework nested self-referential objects

...gories') def get_related_field(self, model_field): # Handles initializing the `subcategories` field return CategorySerializer() Actually, as you've noted the above isn't quite right. This is a bit of a hack, but you might try adding the field in after the seriali...