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How can I use getSystemService in a non-activity class (LocationManager)?

...ct of fyl in onCreate function like this: package com.atClass.lmt; import android.app.Activity; import android.os.Bundle; import android.widget.TextView; import android.location.Location; public class lmt extends Activity { @Override public void onCreate(Bundle savedInstanceState) { ...
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AngularJS: Injecting service into a HTTP interceptor (Circular dependency)

I'm trying to write a HTTP interceptor for my AngularJS app to handle authentication. 5 Answers ...
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Why Doesn't C# Allow Static Methods to Implement an Interface?

...property, which would still allow it to be accessed from a static context, and return that value in the implementation. public class Animal: IListItem { /* Can be tough to come up with a different, yet meaningful name! * A different casing convention, like Java has, would help here. *...
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What is the meaning of addToBackStack with null parameter?

...ction is saved to the back stack so the user can reverse the transaction and bring back the previous fragment by pressing the Back button. If you add multiple changes to the transaction (such as another add() or remove()) and call addToBackStack(), then all changes applied before you ca...
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How to undo 'git reset'?

...list is the commit that you lost. Let's say you just typed git reset HEAD~ and want to undo it. My reflog looks like this: $ git reflog 3f6db14 HEAD@{0}: HEAD~: updating HEAD d27924e HEAD@{1}: checkout: moving from d27924e0fe16776f0d0f1ee2933a0334a4787b4c [...] The first line says that HEAD 0 pos...
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Difference between fold and reduce?

...ing to learn F# but got confused when trying to distinguish between fold and reduce . Fold seems to do the same thing but takes an extra parameter. Is there a legitimate reason for these two functions to exist or they are there to accommodate people with different backgrounds? (E.g.: String and...
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How to use jQuery in chrome extension?

I am writing a chrome extension. And I want to use jQuery in my extension. I am not using any background page , just a background script . ...
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Why does google.load cause my page to go blank?

... You just have to define a callback, and it will not clear the page (maybe the older versions of google.load() did, but apparently the new ones do not if used with callback). Here a simplified example when I'm loading the "google.charts" lib: if(google) { g...
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How do I append text to a file?

... into the file. CTRL-D sends an end-of-file signal, which terminates input and returns you to the shell. share | improve this answer | follow | ...
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What should I do if the current ASP.NET session is null?

... the HttpApplication.AcquireRequestState event. Your code runs in an IHttpHandler, that does not specify either the IRequiresSessionState or IReadOnlySessionState interface. If you only have code in pages, you won't run into this. Most of my ASP .NET code uses Session without checking for null repe...