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How does '20 seconds' work in Scala?

... There are a few things going on. First, Scala allows dots and parens to be omitted from many method calls, so 20 seconds is equivalent to 20.seconds()*. Second, an "implicit conversion" is applied. Since 20 is an Int and Int has no seconds method, the compiler searches for an impli...
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Check orientation on Android phone

How can I check if the Android phone is in Landscape or Portrait? 23 Answers 23 ...
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How to change default timezone for Active Record in Rails?

...e.local (if set to :local) or Time.utc (if set to :utc) when pulling dates and times from the database. The default is :utc. http://guides.rubyonrails.org/configuring.html If you want to change Rails timezone, but continue to have Active Record save in the database in UTC, use # application.r...
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Android: TextView automatically truncate and replace last 3 char of String

...idth it automatically wraps onto the next line. I can avoid this by using android:singleLine (deprecated) or by setting android:inputType="text" . What I need now is something that replaces the last 3 characters of my String with " ... ". Since I'm not using a monospace font this will always be...
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How to dismiss a Twitter Bootstrap popover by clicking outside?

...== 0) { $(this).popover('hide'); } }); }); This handles closing of popovers already open and not clicked on or their links have not been clicked. Update: Bootstrap 3.3.6, see fiddle Fixes issue where after closing, takes 2 clicks to re-open $(document).on('click', fun...
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Log4net rolling daily filename with date in the file name

... <preserveLogFileNameExtension value="true" /> is the correct syntax and this is a great answer. How did the loss occur, may I ask? – Larry B Feb 12 '18 at 14:48 ...
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Python: How to create a unique file name?

I have a python web form with two options - File upload and textarea . I need to take the values from each and pass them to another command-line program. I can easily pass the file name with file upload options, but I am not sure how to pass the value of the textarea. ...
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PG undefinedtable error relation users does not exist

...llowing: rake db:reset The rake db:reset task will drop the database and set it up again. This is functionally equivalent to rake db:drop db:setup. This is not the same as running all the migrations. It will only use the contents of the current schema.rb file. If a migration can't be ro...
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RVM is not a function, selecting rubies with 'rvm use …' will not work

... Your console is not running as a login shell and hence have no access to rvm function. If you are running Ubuntu, you can: Open console Select Edit -> Profile Preferences Select tab: Title and Command Check box 'Run command as a login shell' Restart terminal ...
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How to declare a global variable in php?

...T is attempted to modify? Is it just like final in Java or const in C, C++ and C#? – Lion Nov 23 '12 at 14:05 ...