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Sharing link on WhatsApp from mobile website (not application) for Android

I have developed a website which is mainly used in mobile phones. I want to allow users to share information directly from the web page into WhatsApp. ...
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What does “WARN Could not determine content-length of response body.” mean and how to I get rid of i

Since upgrading to Rails 3.1 I'm seeing this warning message in my development log: 9 Answers ...
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ViewDidAppear is not called when opening app from background

I have a View Controller in which my value is 0 (label) and when I open that View Controller from another ViewController I have set viewDidAppear to set value 20 on label. It works fine but when I close my app and than again I open my app but the value doesn't change because viewDidLoad , vie...
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Tab Vs Space preferences in Vim

Vim is very accommodating when it comes to tab Vs. space preferences. As I understand it, the tabstop setting indicates the width of a tab character. The shiftwidth setting specifies how many columns to increment/decrement when using the << and >> commands, whereas the softtabst...
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Which is preferred: Nullable.HasValue or Nullable != null?

I always used Nullable<>.HasValue because I liked the semantics. However, recently I was working on someone else's existing codebase where they used Nullable<> != null exclusively instead. ...
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How do I select an entire row which has the largest ID in the table?

How would I do something like this? 6 Answers 6 ...
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Foreign key constraint may cause cycles or multiple cascade paths?

I have a problem when I try to add constraints to my tables. I get the error: 9 Answers ...
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Auto Scale TextView Text to Fit within Bounds

I'm looking for an optimal way to resize wrapping text in a TextView so that it will fit within its getHeight and getWidth bounds. I'm not simply looking for a way to wrap the text- I want to make sure it both wraps and is small enough to fit entirely on the screen. ...
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java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\xBD\xF0\x9F…'

I have the following string value: "walmart obama ????????" 11 Answers 11 ...
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Bootstrap 3 jquery event for active tab change

I spent an unrealistic amount of time trying to fire a function when the tab changes of the bootstrap 3 tab/navbar and literally all suggestions google spat out were wrong/did not work. ...