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navigator.geolocation.getCurrentPosition sometimes works sometimes doesn't

... I have been having exactly the same problem, and finding almost no information online about it. Nothing at all in the books. Finally I found this sober query on stackoverflow and (ha!) it was the final impetus I needed to set up an account here. And I have a partial an...
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MongoDB and “joins” [duplicate]

...ll only be evaluated when needed. A join (in a SQL database) on the other hand will resolve relationships and return them as if they were a single table (you "join two tables into one"). You can read more about DBRef here: http://docs.mongodb.org/manual/applications/database-references/ There are ...
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What Makes a Good Unit Test? [closed]

I'm sure most of you are writing lots of automated tests and that you also have run into some common pitfalls when unit testing. ...
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The input is not a valid Base-64 string as it contains a non-base 64 character

I have a REST service that reads a file and sends it to another console application after converting it to Byte array and then to Base64 string. This part works, but when the same stream is received at the application, it gets manipulated and is no longer a valid Base64 string. Some junk characters ...
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Position Relative vs Absolute?

What is the difference between position: relative and position: absolute in CSS? And when should you use them? 10 Answe...
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How to get existing fragments when using FragmentPagerAdapter

...entPagerAdapter , as a helper class that implements the management of tabs and all details of connecting a ViewPager with associated TabHost . I have implemented FragmentPagerAdapter just as same as it is provided by the Android sample project Support4Demos . ...
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How to sort an array in Bash

...set IFS Supports whitespace in elements (as long as it's not a newline), and works in Bash 3.x. e.g.: $ array=("a c" b f "3 5") $ IFS=$'\n' sorted=($(sort <<<"${array[*]}")); unset IFS $ printf "[%s]\n" "${sorted[@]}" [3 5] [a c] [b] [f] Note: @sorontar has pointed out that care is re...
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ALTER TABLE without locking the table?

... And have a thorough test plan before swapping. If it fails, start over. – dkretz Jan 21 '09 at 2:29 2 ...
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How to get .pem file from .key and .crt files?

...ust named with .crt or .key. If the file's content begins with -----BEGIN and you can read it in a text editor: The file uses base64, which is readable in ASCII, not binary format. The certificate is already in PEM format. Just change the extension to .pem. If the file is in binary: For the serv...
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How to render a DateTime in a specific format in ASP.NET MVC 3?

... iterating an IEnumerable<T>. Creating a template is simple enough, and can provide a lot of flexibility too. Create a folder in your views folder for the current controller (or shared views folder) called DisplayTemplates. Inside that folder, add a partial view with the model type you want...