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Django select only rows with duplicate field values
suppose we have a model in django defined as follows:
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HTTP Error 404.3 - Not Found" while browsing wcf service on Windows Server 2008(64bit)
I am developing an application based on .Net Framework 3.5 sp1 and hosted on windows server 2008(64bit).
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How to tell which version of a gem a rails app is using
I'm investigating a rails app - the prod server has two version of a specific gem installed, how can I tell which version the prod app is using?
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What's the difference between subprocess Popen and call (how can I use them)?
I want to call an external program from Python. I have used both Popen() and call() to do that.
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What's the difference between ContentControl and ContentPresenter?
I'm not sure when I should use ContentPresenter instead of ContentControl (and vice-versa). At the moment, I'm using ContentControl pretty much all the time in my DataTemplate s. When would ContentPresenter be a better choice? and why?
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How can I obtain an 'unbalanced' grid of ggplots?
With grid.arrange I can arrange multiple ggplot figures in a grid to achieve a multi-panel figure by using something like:
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Getting a timestamp for today at midnight?
How would I go about getting a timestamp in php for today at midnight. Say it's monday 5PM and I want the Timestamp for Monday(today) at midnight(12 am) which already has happened.
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Reading InputStream as UTF-8
I'm trying to read from a text/plain file over the internet, line-by-line. The code I have right now is:
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How to remove jar file from local maven repository which was added with install:install-file?
I use above command to install local jar into maven local repo. Now I have got the dependency from maven repo. I want to remove this from local repo. How to clean it ?
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How is std::function implemented?
According to the sources I have found, a lambda expression is essentially implemented by the compiler creating a class with overloaded function call operator and the referenced variables as members. This suggests that the size of lambda expressions varies, and given enough references variables tha...