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How to save an activity state using save instance state?

... savedInstanceState is null when the system is creating a new instance of your Activity and not null when it's restoring. – Gabriel Câmara Jan 15 '14 at 13:21 7 ...
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How to use ssh agent forwarding with “vagrant ssh”?

Rather than create a new SSH key pair on a vagrant box, I would like to re-use the key pair I have on my host machine, using agent forwarding . I've tried setting config.ssh.forward_agent to TRUE in the Vagrantfile, then rebooted the VM, and tried using: ...
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ASP.NET MVC Razor Concatenation

...unction () { StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f4702957%2fasp-net-mvc-razor-concatenation%23new-answer', 'question_page'); } ); ...
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Amazon SimpleDB vs Amazon DynamoDB

...al perfectly. I didn't migrate my code yet, and not plan to do so. But for new products, I choose other databases like dynamodb or mysql. – Mason Zhang Jun 9 '15 at 9:32 ...
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Computed / calculated / virtual / derived columns in PostgreSQL

...hu: Depends on the details of your setup and requirements. You might ask a new question with the necessary information. – Erwin Brandstetter Sep 9 '18 at 9:55 ...
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How can I recover a lost commit in Git?

...hed HEAD: git checkout git checkout <commit_id> git checkout -b <new branch> <commit_id> git checkout HEAD~X // x is the number of commits t go back This will checkout new branch pointing to the desired commit. This command will checkout to a given commit. At this point, you ca...
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Multiple commands on same line

...ng to do substitutions in a chain and one fails from a comment % s/word/newword/ge | % s/word2/newword2/ge You can use the e flag to ignore the error when the string is not found. share | impro...
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How to split a String by space

...u can use StringTokenizer class in Java as.. StringTokenizer tokens = new StringTokenizer("Hello I'm your String", " "); String[] splited = new String[tokens.countTokens()]; int index = 0; while(tokens.hasMoreTokens()){ splited[index] = tokens.nextToken(); ++index; ...
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Android: How to create a Dialog without a title?

...ewById(R.id.image); image.setImageResource(R.drawable.android); builder = new AlertDialog.Builder(mContext); builder.setView(layout); alertDialog = builder.create(); In response to comment: I assume that TextView with the id nr is in the View you are inflating with View view = inflater..... If s...
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Dilemma: when to use Fragments vs Activities:

...represents a screen. Can you load another screen in this box? If you use a new box, will you have to copy multiple items from the 1st box? If the answer is Yes, then you should use Fragments, because the root Activity can hold all duplicated elements to save you time in creating them, and you can si...