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Find element's index in pandas Series

I know this is a very basic question but for some reason I can't find an answer. How can I get the index of certain element of a Series in python pandas? (first occurrence would suffice) ...
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Select random row from a sqlite table

I have a sqlite table with the following schema: 7 Answers 7 ...
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How can I check if a URL exists via PHP?

How do I check if a URL exists (not 404) in PHP? 22 Answers 22 ...
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How to bind a List to a ComboBox?

I want to connect a BindingSource to a list of class objects and then objects value to a ComboBox. Can anyone suggest how to do it? ...
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Remove characters from C# string

How might I remove characters from a string? For example: "My name @is ,Wan.;'; Wan" . 21 Answers ...
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How to add a second css class with a conditional value in razor MVC 4

While Microsoft has created some automagic rendering of html attributes in razor MVC4, it took me quite some time to find out how to render a second css class on an element, based on a conditional razor expression. I would like to share it with you. ...
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how to rotate a bitmap 90 degrees

There is a statement in android canvas.drawBitmap(visiblePage, 0, 0, paint); 10 Answers ...
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Objective-C - Remove last character from string

In Objective-C for iOS, how would I remove the last character of a string using a button action? 4 Answers ...
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Does C have a “foreach” loop construct?

Almost all languages have a foreach loop or something similar. Does C have one? Can you post some example code? 12 Answer...
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Selecting a row in DataGridView programmatically

How can I select a particular range of rows in a DataGridView programmatically at runtime? 8 Answers ...