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How to close activity and go back to previous activity in android
...ave described will occur in following two ways:
EITHER
You have set android:noHistory = "true" for MainActivity inside AndroidManifest.xml which causes MainActivity to finish automatically on pressing the back key.
OR
Before switching to your 'SettingsActivity', you have called finish() in your ...
How can I kill a process by name instead of PID?
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A bit longer alternative:
kill `pidof firefox`
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Parsing a JSON string in Ruby
...s looks like JavaScript Object Notation (JSON). You can parse JSON that resides in some variable, e.g. json_string, like so:
require 'json'
JSON.parse(json_string)
If you’re using an older Ruby, you may need to install the json gem.
There are also other implementations of JSON for Ruby that ...
How to select distinct rows in a datatable and store into an array
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Following single line of code will avoid the duplicate rows of a DataTable:
dataTable.DefaultView.ToTable(true, "employeeid");
Where:
first parameter in ToTable() is a boolean which indicates whether you want distinct rows or not.
second parameter in the ToT...
UITextField auto-capitalization type - iPhone App
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It doesn't work, i tried it on Xcode 6 iOS 8 Swift. I did it in code and interface builder, neither works.
– Van Du Tran
Nov 27 '14 at 21:26
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Generating random number between 1 and 10 in Bash Shell Script [duplicate]
...re should be a fair draw from numbers 0 to 32767, but because you can't divide that evenly into groups of 10, there is a very small bias against 9 and 10 in this implementation. Most people shouldn't need to worry about this, because you shouldn't be using $RANDOM for security purposes anyway.
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How do you set up use HttpOnly cookies in PHP
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For your cookies, see this answer.
For PHP's own session cookie (PHPSESSID, by default), see @richie's answer
The setcookie() and setrawcookie() functions, introduced the httponly parameter, back in the dark ages of PHP 5.2.0, making this nice and easy. Simply set the 7th parameter to true, as ...
How do I free my port 80 on localhost Windows?
I installed XAMPP 1.6.8 and for some reason it didn't work. Later realized port 80 is not free or not listening. How can I release it or make it free?
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android TextView: setting the background color dynamically doesn't work
Setting the background color programatically of an android TextView doesn't seem to work.
I'm I missing something!
14 Ans...
How to center an iframe horizontally?
Consider the following example: ( live demo )
11 Answers
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