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How do I change Bootstrap 3 column order on mobile layout?

...a top fixed navbar. Underneath I have two columns, one for a sidebar (3), and one for content (9). Which on desktop looks like this ...
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How do I write JSON data to a file?

... You forgot the actual JSON part - data is a dictionary and not yet JSON-encoded. Write it like this for maximum compatibility (Python 2 and 3): import json with open('data.json', 'w') as f: json.dump(data, f) On a modern system (i.e. Python 3 and UTF-8 support), you can wr...
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How to calculate time elapsed in bash script?

I print the start and end time using date +"%T" , which results in something like: 20 Answers ...
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JavaScript data grid for millions of rows [closed]

...s set to the total height of all the rows. The rows are still being added and removed as the user is scrolling, but the scrolling itself is done by the browser. That allows it to be very fast yet smooth (onscroll events are notoriously slow). The caveat is that there are bugs/limits in the browse...
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Use of def, val, and var in scala

... new Person("Kumar",12) . If I use var or val the output is 20 . I understand the default is val in scala. This: 6 Answers...
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ROW_NUMBER() in MySQL

... SELECT t0.col3 FROM table AS t0 LEFT JOIN table AS t1 ON t0.col1=t1.col1 AND t0.col2=t1.col2 AND t1.col3>t0.col3 WHERE t1.col1 IS NULL; “Get the rows in the table for which no other row with matching col1,col2 has a higher col3.” (You will notice this and most other groupwise-maximum solu...
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why windows 7 task scheduler task fails with error 2147942667

...ogged on everything works fine. but I want to run this task in background and hence i am running it using the option Run whether user is logged on or not . Now when i run the task it is not working. I get following 2 errors. I don't understand this error. Please help me resolve this issue. ...
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How to override equals method in Java

... in Java. I have a class People which basically has 2 data fields name and age . Now I want to override equals method so that I can check between 2 People objects. ...
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How to debug in Django, the good way? [closed]

So, I started learning to code in Python and later Django . The first times it was hard looking at tracebacks and actually figure out what I did wrong and where the syntax error was. Some time has passed now and some way along the way, I guess I got a routine in debugging my Django code. As this ...
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How to use single storyboard uiviewcontroller for multiple subclass

...interface but with root view controller of class SpecificViewController1 and SpecificViewController2 which are subclasses of BasicViewController . Those 2 view controllers would have the same functionality and interface except for the IBAction method. It would be like the following: ...