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Escaping a forward slash in a regular expression

My question is a simple one, and it is about regular expression escaping. Do you have to escape a forward slash / in a regular expression? And how would you go about doing it? ...
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Is there a reason that we cannot iterate on “reverse Range” in ruby?

I tried to iterate backwards with using a Range and each : 12 Answers 12 ...
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How to grab substring before a specified character jQuery or JavaScript

I am trying to extract everything before the ',' comma. How do I do this in JavaScript or jQuery? I tried this and not working.. ...
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Get first day of week in PHP?

Given a date MM-dd-yyyy format, can someone help me get the first day of the week? 38 Answers ...
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Increase number of axis ticks

I'm generating plots for some data, but the number of ticks is too small, I need more precision on the reading. 5 Answers...
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How can I do a line break (line continuation) in Python?

I have a long line of code that I want to break up among multiple lines. What do I use and what is the syntax? 10 Answers ...
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What is the tilde (~) in the enum definition?

I'm always surprised that even after using C# for all this time now, I still manage to find things I didn't know about... 1...
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Get average color of image via Javascript

Not sure this is possible, but looking to write a script that would return the average hex or rgb value for an image. I know it can be done in AS but looking to do it in JavaScript. ...
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Resize UIImage by keeping Aspect ratio and width

I seen in many posts for resizing the image by keeping aspect ratio. These functions uses the fixed points(Width and Height) for RECT while resizing. But in my project, I need to resize the view based on the Width alone, Height should be taken automatically based on the aspect ratio. anyone help me ...
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Getting the current page

In my scroll view, I want to get the current page that's being displayed (maybe page isn't the correct term). I can't find any variable that holds this. But I think it must be held somewhere, since the indicator is able to show which sub-view of the scroll view is currently being displayed. ...