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In MySQL, I would simply go \SELECT sum(pts) FROM table\ to get the sum of the pts column on the tab...

In a traditional blocking-thread server, I would do something like this class ServerSideThread { ...

I am new to python and am trying to write a web app that involves importing an excel, displaying it ...

I want to annotate mean of each boxplot using ggplot2. However, I could not figure out how to horizo...

Let\'s say you have an Person object, with several fields like first_name, last_name, age which are ...

**********************Original edit********************** I am using different kind of clocks to ...

When I run my app into my iphone I have this Warning: unable to build chain to self-signed root fo...

I\'m creating pages for a small web-based game which must have some background music playing. Those ...

The story: in our multi-tenant app (one PostgreSql db, multiple schemas) we need to use one DbContex...

Been trying to get this working for a while and not really quite getting it. Basically, I have a fil...

When I run python manage.py runserver I get this error File \/usr/local/lib/python2.7/dist-packa...

Why can the following code be complied correctly, rather than the compiler raising an error Type \'(...

enter image description here i am working on a photo editing application in home page of application...

I found importing modules in Python complicated, so I\'m doing experiments to clear it up. Here is m...

what does echo $line mean in bash？ I am searching for a long time on net. But no use. Please help or...