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initialize a vector to zeros C++/C++11

I know in C++11 they added the feature to initialize a variable to zero as such 2 Answers ...
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Iterating Through a Dictionary in Swift

I am a little confused on the answer that Xcode is giving me to this experiment in the Swift Programming Language Guide: 7 ...
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Why can't I center with margin: 0 auto?

I have a #header div that is 100% width and within that div I have an unordered list. I have applied margin: 0 auto to the unordered list but it won't center it within the header div. ...
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Can I multiply strings in Java to repeat sequences? [duplicate]

I have something like the following: 19 Answers 19 ...
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YouTube Video Embedded via iframe Ignoring z-index?

I'm trying to implement a horizontal multilevel dropdown navigation menu. Immediately below (vertically) the menu, I've got a YouTube video embedded via iframe. If I hover over one of the main level nav items in Firefox, the dropdown menu properly appears on top of the video. ...
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Python, remove all non-alphabet chars from string

I am writing a python MapReduce word count program. Problem is that there are many non-alphabet chars strewn about in the data, I have found this post Stripping everything but alphanumeric chars from a string in Python which shows a nice solution using regex, but I am not sure how to implement it ...
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What is the reason for having '//' in Python? [duplicate]

I saw this in someone's code: 5 Answers 5 ...
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What is the best way to tell if a character is a letter or number in Java without using regexes?

What is the best and/or easiest way to recognize if a string.charAt(index) is an A-z letter or a number in Java without using regular expressions? Thanks. ...
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Where is the WPF Numeric UpDown control?

Getting into the first serious WPF project. It seems like there are a lot of basic controls flat out missing. Specifically, I am looking for the Numeric UpDown control. Was there an out of band release that I missed? Really don't feel like writing my own control. ...
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Colspan all columns

How can I specify a td tag should span all columns (when the exact amount of columns in the table will be variable/difficult to determine when the HTML is being rendered)? w3schools mentions you can use colspan="0" , but it doesn't say exactly what browsers support that value (IE 6 is in our li...