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Why does scanf() need “%lf” for doubles, when printf() is okay with just “%f”?

Why is it that scanf() needs the l in " %lf " when reading a double , when printf() can use " %f " regardless of whether its argument is a double or a float ? ...
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Which data type for latitude and longitude?

I am newbie to PostgreSQL and PostGIS. I want to store latitude and longitude values in PostgreSQL 9.1.1 database table. I will calculate distance between two points, find nearer points by using this location values. ...
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Https Connection Android

...ption of ssl exception Not trusted server certificate. If i do normal http it is working perfectly fine. Do I have to accept the server certificate somehow? ...
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Login failed for user 'DOMAIN\MACHINENAME$'

...his is almost a duplicate of : The error "Login failed for user 'NT AUTHORITY\IUSR'" in ASP.NET and SQL Server 2008 and Login failed for user 'username' - System.Data.SqlClient.SqlException with LINQ in external project / class library but some things don't add up compared to other appliations o...
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Rebasing remote branches in Git

I am using an intermediate Git repository to mirror a remote SVN repository, from which people can clone and work on. The intermediate repository has it's master branch rebased nightly from the upstream SVN, and we are working on feature branches. For example: ...
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Object.watch() for all browsers?

...fine here) I have created a small object.watch shim for this a while ago. It works in IE8, Safari, Chrome, Firefox, Opera, etc. share | improve this answer | follow ...
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How to split a string in shell and get the last field

Suppose I have the string 1:2:3:4:5 and I want to get its last field ( 5 in this case). How do I do that using Bash? I tried cut , but I don't know how to specify the last field with -f . ...
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When does static class initialization happen?

When are static fields initialized? If I never instantiate a class, but I access a static field, are ALL the static blocks and private static methods used to instantiate private static fields called (in order) at that instant? ...
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Support for “border-radius” in IE

... border-style: solid; border-width: 2px; -moz-border-radius: 15px; -webkit-border-radius: 15px; border-radius: 15px; } IE9 will use the default border-radius, so just make sure you include that in all your styles calling a border radius. Then your site will be ready for IE9. -moz-border-radiu...
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ios simulator: how to close an app

...home button to suspend the app. What I want to do is close the app from within the simulator. So, how can this be done? 9...