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How do I loop through a list by twos? [duplicate]

I want to loop through a Python list and process 2 list items at a time. Something like this in another language: 7 Answers...
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SharedPreferences.onSharedPreferenceChangeListener not being called consistently

... preference change listener like this (in the onCreate() of my main activity): 8 Answers ...
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Most efficient way to concatenate strings?

...ilder sb = new StringBuilder(); sb.Append(someString); The only problem with String.Join is that you have to concatenate the strings with a common delimiter. Edit: as @ryanversaw pointed out, you can make the delimiter string.Empty. string key = String.Join("_", new String[] { "Customers_Contac...
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How to deploy an ASP.NET Application with zero downtime

To deploy a new version of our website we do the following: 11 Answers 11 ...
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PHP - concatenate or directly insert variables in string

..., you should really choose the one you prefer :-) Personally, I would go with your second solution in such a case (Variable interpolation), which I find easier to both write and read. The result will be the same; and even if there are performance implications, those won't matter 1. As a sidenote...
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Why are there two ways to unstage a file in Git?

Sometimes git suggests git rm --cached to unstage a file, sometimes git reset HEAD file . When should I use which? 13 An...
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What does href expression do?

... An <a> element is invalid HTML unless it has either an href or name attribute. If you want it to render correctly as a link (ie underlined, hand pointer, etc), then it will only do so if it has a href attribute. Code like this is therefore sometimes used as a w...
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0.1 float is greater than 0.1 double. I expected it to be false [duplicate]

...he rounding mode when converting the double to float. float has 24 binary bits of precision, and double has 53. In binary, 0.1 is: 0.1₁₀ = 0.0001100110011001100110011001100110011001100110011…₂ ^ ^ ^ ^ 1 10 20 24 So if we round up a...
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What underlies this JavaScript idiom: var self = this?

I saw the following in the source for WebKit HTML 5 SQL Storage Notes Demo : 10 Answers ...
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git - skipping specific commits when merging

I've been using Git for about a year now and think it's fantastic, but I've just started on a second version of the project and started a new branch for it. I'm struggling a little with the best way to handle things going forward. ...