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Where do I find the line number in the Xcode editor?

In Xcode 3, the line number of the current cursor location was displayed. I don't see this in Xcode 4. Is there a setting that will turn it on? Or a keypress that will give it to me? ...
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Converting RGB to grayscale/intensity

When converting from RGB to grayscale, it is said that specific weights to channels R, G, and B ought to be applied. These weights are: 0.2989, 0.5870, 0.1140. ...
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How can I determine installed SQL Server instances and their versions?

I'm trying to determine what instances of sql server/sql express I have installed (either manually or programmatically) but all of the examples are telling me to run a SQL query to determine this which assumes I'm already connected to a particular instance. ...
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Removing first x characters from string?

How might one remove the first x characters from a string? For example, if one had a string lipsum , how would they remove the first 3 characters and get a result of sum ? ...
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Styling Google Maps InfoWindow

I've been attempting to style my Google Maps InfoWindow , but the documentation is very limited on this topic. How do you style an InfoWindow ? ...
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Has anyone ever got a remote JMX JConsole to work?

It seems that I've never got this to work in the past. Currently, I KNOW it doesn't work. 20 Answers ...
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Python loop counter in a for loop [duplicate]

In my example code below, is the counter = 0 really required, or is there a better, more Python, way to get access to a loop counter? I saw a few PEPs related to loop counters, but they were either deferred or rejected ( PEP 212 and PEP 281 ). ...
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Using jQuery to center a DIV on the screen

How do I go about setting a <div> in the center of the screen using jQuery? 28 Answers ...
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Manifest merger failed : uses-sdk:minSdkVersion 14

Since downloading the latest SDK and installing Android Studio, my project fails to build. I get the following message: 28 ...
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Disable time in bootstrap date time picker

I am using bootstrap date time picker in my web application, made in PHP/HTML5 and JavaScript. I am currently using one from here: http://tarruda.github.io/bootstrap-datetimepicker/ ...