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Detect network connection type on Android

...twork is connected and fast enough to meet your demands you have to handle all the network types returned by getSubType(). It took me an hour or two to research and write this class to do just exactly that, and I thought I would share it with others that might find it useful. Here is a Gist of the...
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Creating an abstract class in Objective-C

I'm originally a Java programmer who now works with Objective-C. I'd like to create an abstract class, but that doesn't appear to be possible in Objective-C. Is this possible? ...
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How to append contents of multiple files into one file

... should be >> right ? and also why is there a newline before all the text in my 0.txt file ? – Steam Aug 2 '13 at 0:00 2 ...
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How to implement an STL-style iterator and avoid common pitfalls?

...requirements for an iterator to be "STL-style" and what are some other pitfalls to avoid (if any)? 8 Answers ...
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How do I spool to a CSV formatted file using SQLPLUS?

...tion on IDs) spool myfile.csv select table_name, tablespace_name from all_tables where owner = 'SYS' and tablespace_name is not null; Output will be like: TABLE_PRIVILEGE_MAP ,SYSTEM SYSTEM_PRIVILEGE_MAP ,SYSTEM ...
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What are inline namespaces for?

C++11 allows inline namespace s, all members of which are also automatically in the enclosing namespace . I cannot think of any useful application of this -- can somebody please give a brief, succinct example of a situation where an inline namespace is needed and where it is the most idiomatic s...
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Why do we use __init__ in Python classes?

...Spot is a bit of a cripple and is mostly yellow. The __init__ function is called a constructor, or initializer, and is automatically called when you create a new instance of a class. Within that function, the newly created object is assigned to the parameter self. The notation self.legs is an attrib...
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Entity Framework rollback and remove bad migration

...things that have gone to multiple environments. The other option is to actually run Update-Database –TargetMigration: TheLastGoodMigration against your deployed database and then delete the migration from your solution. This is kinda the hulk smash alternative and requires this to be performed aga...
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If table exists drop table then create it, if it does not exist just create it

...s case than not to cover, see locking note below). Second RENAME ... atomically replaces table definition, refer to MySQL manual for details. At last, DROP ... just cleans up the old table, obviously. Wrapping all statements with something like SELECT GET_LOCK('__upgrade', -1); ... DO RELEASE_LOCK...
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Leaflet - How to find existing markers, and delete markers?

... Should be a way to collect all of the layers used by Leaflet. :/ – jackyalcine Aug 1 '12 at 21:39 10 ...