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What is the simplest and most robust way to get the user's current location on Android?

... Here's what I do: First of all I check what providers are enabled. Some may be disabled on the device, some may be disabled in application manifest. If any provider is available I start location listeners and timeout timer. It's 20 seconds in my example, may not be enough for GPS so you can en...
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Escape a string for a sed replace pattern

...s a bad idea. Sed needs many characters to be escaped to get their special meaning. For example, if you escape a digit in the replacement string, it will turn in to a backreference. As Ben Blank said, there are only three characters that need to be escaped in the replacement string (escapes themsel...
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How do I have an enum bound combobox with custom string formatting for enum values?

In the post Enum ToString , a method is described to use the custom attribute DescriptionAttribute like this: 21 Answers...
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How can I control the width of a label tag?

...get at. :-) This is the core aspect here, since it’s the difficult part. Merely setting width won’t have much use. – Konrad Rudolph May 12 '10 at 21:12 ...
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I do not want to inherit the child opacity from the parent in CSS

...nd it. You can build a 1x1 semi-transparent PNG, then use a conditional comment to set it as the background image on the parent div, and use AlphaImageLoader to make the transparency work. – Dan Blows Apr 24 '11 at 12:17 ...
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Functions that return a function

...erence to the function. Putting the parenthesis at the end of a function name, calls the function, returning the functions return value. Demo function a() { alert('A'); } //alerts 'A', returns undefined function b() { alert('B'); return a; } //alerts 'B', returns function a function ...
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How can I force division to be floating point? Division keeps rounding down to 0?

...the float division in another place of the file... – mercury0114 Jul 23 '19 at 10:26 3 ...
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What does enctype='multipart/form-data' mean?

What does enctype='multipart/form-data' mean in an HTML form and when should we use it? 9 Answers ...
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Testing modules in rspec

What are the best practices on testing modules in rspec? I have some modules that get included in few models and for now I simply have duplicate tests for each model (with few differences). Is there a way to DRY it up? ...
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How to have Android Service communicate with Activity

... and activities. I have a Service that will run in the background and do some gps and time based logging. I will have an Activity that will be used to start and stop the Service. ...