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Notification click: activity already open

...certain activity if I click them. I want that, if I click the notification and the activity is already opened, it's not started again, but just brought to front. ...
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Change the color of glyphicons to blue in some- but not at all places using Bootstrap 2

...="color:blue"></span> Or you can add it as a class to your icon and then set the font color to it in CSS HTML <span class="glyphicon glyphicon-search"></span> <span class="glyphicon glyphicon-user blue"></span> <span class="glyphicon glyphicon-trash"></...
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What command opens Ruby's REPL?

What command opens Ruby's REPL? 2 Answers 2 ...
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How do I sort a list of dictionaries by a value of the dictionary?

I have a list of dictionaries and want each item to be sorted by a specific property values. 18 Answers ...
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How does Rails keep track of which migrations have run for a database?

...runs a migration, it takes the leading digits in the migration's file name and inserts a row for that "version", indicating it has been run. If you roll back that migration, Rails will delete the corresponding row from schema_migrations. For example, running a migration file named 20120620193144_cr...
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Add a reference column migration in Rails 4

... Rails 4.x When you already have users and uploads tables and wish to add a new relationship between them. All you need to do is: just generate a migration using the following command: rails g migration AddUserToUploads user:references Which will create a migr...
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Maximum on http header values?

...it? If not, is this something that's server specific or is the accepted standard to allow headers of any size? 5 Answers ...
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Specifying a custom DateTime format when serializing with Json.Net

...he JsonConverter attribute where needed, specifying your custom converter, and you're ready to go. Here is the entirety of the code needed: class CustomDateTimeConverter : IsoDateTimeConverter { public CustomDateTimeConverter() { base.DateTimeFormat = "yyyy-MM-dd"; } } If you...
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Get TransactionScope to work with async / await

... MSDN, it enables transaction flow across thread continuations. My understanding is that it is meant to allow you to write code like this: // transaction scope using (var scope = new TransactionScope(... , TransactionScopeAsyncFlowOption.Enabled)) { // connection using (var connection = new ...
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Excel VBA App stops spontaneously with message “Code execution has been halted”

...expected solution for a bizarre problem. After pressing [Ctrl+Break] twice and continuing, I saved the file. After that, the problem no longer appeared when I closed and re-opened the file. – dbenham Oct 1 '12 at 16:59 ...