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How can you use optional parameters in C#?

Note: This question was asked at a time when C# did not yet support optional parameters (i.e. before C# 4). 23 Answers ...
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How do I get a UTC Timestamp in JavaScript?

While writing a web application, it makes sense to store (server side) all datetimes in the DB as UTC timestamps. 16 Answ...
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“for” vs “each” in Ruby

I just had a quick question regarding loops in Ruby. Is there a difference between these two ways of iterating through a collection? ...
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Get specific ArrayList item

... As many have already told you: mainList.get(3); Be sure to check the ArrayList Javadoc. Also, be careful with the arrays indices: in Java, the first element is at index 0. So if you are trying to get the third element, your solution would be mainList.get(2); ...
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Output data from all columns in a dataframe in pandas [duplicate]

... output the data anyway (it won't probably fit on a screen and does not look very well): print paramdata.values converts the dataframe to its numpy-array matrix representation. paramdata.columns stores the respective column names and paramdata.index stores the respective index (row names). ...
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How can I match on an attribute that contains a certain string?

...d contains(@class ,'btag')] However, it will also find partial matches like class="catag bobtag". If you don't want partial matches, see bobince's answer below. share | improve this answer ...
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UIScrollView not scrolling

... much longer that the UIScrollView , but when I run the app, I cannot click and scroll down... 24 Answers ...
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How do I make a Mac Terminal pop-up/alert? Applescript?

... that displays my custom text. How is this done? Also, is it possible to make one with several buttons that sets a variable? ...
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`static` keyword inside function?

I was looking at the source for Drupal 7, and I found some things I hadn't seen before. I did some initial looking in the php manual, but it didn't explain these examples. ...
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Numbering rows within groups in a data frame

Working with a data frame similar to this: 7 Answers 7 ...