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Git: Cannot see new remote branch

... First, double check that the branch has been actually pushed remotely, by using the command git ls-remote origin. If the new branch appears in the output, try and give the command git fetch: it should download the branch references from the remote repository. If your remot...
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What is the difference between Non-Repeatable Read and Phantom Read?

...at user A has queried has a different value the second time. Phantom read: All the rows in the query have the same value before and after, but different rows are being selected (because B has deleted or inserted some). Example: select sum(x) from table; will return a different result even if none of...
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How exactly do Django content types work?

I'm really having a difficult time grasping the concept of Django's content types. It feels very hackish and, ultimately, against how Python tends to do things. That being said, if I'm going to use Django then I have to work within the confines of the framework. ...
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How do I display the current value of an Android Preference in the Preference summary?

...ic solution, if that suits your needs. For example, if you want to generically have all list preferences show their choice as summary, you could have this for your onSharedPreferenceChanged implementation: public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) { ...
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Converting between datetime, Timestamp and datetime64

...>> numpy.__version__ '1.6.2' # current version available via pip install numpy I can reproduce the long value on numpy-1.8.0 installed as: pip install git+https://github.com/numpy/numpy.git#egg=numpy-dev The same example: >>> from datetime import datetime >>> import num...
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Samples of Scala and Java code where Scala code looks simpler/has fewer lines?

I need some code samples (and I also really curious about them) of Scala and Java code which show that Scala code is more simple and concise then code written in Java (of course both samples should solve the same problem). ...
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Why doesn't C++ have a garbage collector?

... asking this question because of the merits of garbage collection first of all. My main reason for asking this is that I do know that Bjarne Stroustrup has said that C++ will have a garbage collector at some point in time. ...
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Using GZIP compression with Spring Boot/MVC/JavaConfig with RESTful

...fig/http.html#Standard_Implementation IRL Production Note: Also to avoid all of this consider using a proxy/load balancer setup in front of Tomcat with nginx and/or haproxy or similar since it will handle static assets and gzip MUCH more efficiently and easily than Java/Tomcat's threading model. ...
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What's the best name for a non-mutating “add” method on an immutable collection?

... In situations like that, I usually go with Concat. That usually implies to me that a new object is being created. var p = listA.Concat(listB); var k = listA.Concat(item); share...
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What's the point of OOP?

...sistency to the approaches that people take to modelling problem domains. All too often, the class is used simply for its syntactic sugar; it puts the functions for a record type into their own little namespace. ...