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Unique BooleanField value in Django?

Suppose my models.py is like so: 13 Answers 13 ...
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No newline at end of file

... It indicates that you do not have a newline (usually '\n', aka CR or CRLF) at the end of file. That is, simply speaking, the last byte (or bytes if you're on Windows) in the file is not a newline. The message is displayed because otherwise the...
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Android: I am unable to have ViewPager WRAP_CONTENT

I have setup a simple ViewPager that has an ImageView with a height of 200dp on each page. 34 Answers ...
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Is Dvorak typing appropriate for programming? [closed]

I'm always looking for ways to be more productive, and I've been reading a lot about typing using a Dvorak keyboard. 12 A...
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Automatic Preferred Max Layout Width is not available on iOS versions prior to 8.0

... Update 3: This warning can also be triggered by labels that have numberOfLines set to anything but 1 if your deployment target is set to 7.1. This is completely reproducible with new single-view project. Steps to Reproduce: ...
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How to use phpexcel to read data and insert into database?

...rom excel, Insert into database and then generate pdf reports for specific users. I searched a lot but nothing specific given about both things. ...
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Android Shared preferences for creating one time activity (example) [closed]

...forms and after filling and saving the form data in database(SQLITE). I am using intent from A to B and then B to C.What i want is that every time I open my app I want C as my home screen and not A and B anymore. ...
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capturing self strongly in this block is likely to lead to a retain cycle

... The capture of self here is coming in with your implicit property access of self.timerDisp - you can't refer to self or properties on self from within a block that will be strongly retained by self. You can get around this by creati...
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NOW() function in PHP

Is there a PHP function that returns the date and time in the same format as the MySQL function NOW() ? 20 Answers ...
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How to log cron jobs?

...ant to know how I can see exactly what the cron jobs are doing on each execution. Where are the log files located? Or can I send the output to my email? I have set the email address to send the log when the cron job runs but I haven't received anything yet. ...