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How do you add Boost libraries in CMakeLists.txt?

...Boost_INCLUDE_DIRS} ) add_executable( run main.cpp ) # Example application based on main.cpp # Alternatively you could use ${Boost_LIBRARIES} here. target_link_libraries( run ${Boost_PROGRAM_OPTIONS_LIBRARY} ${Boost_REGEX_LIBRARY} ) Some general tips: When searching, FindBoost checks the envir...
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What is the difference between NaN and None?

...n reason to use NaN (over None) is that it can be stored with numpy's float64 dtype, rather than the less efficient object dtype, see NA type promotions. # without forcing dtype it changes None to NaN! s_bad = pd.Series([1, None], dtype=object) s_good = pd.Series([1, np.nan]) In [13]: s_bad.dtype...
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ORA-12505, TNS:listener does not currently know of SID given in connect descriptor

...get started with JDBC, you need to be sure that you can connect to the database using SQL*Plus. If you're not familiar with SQL*Plus, it's a command-line tool for connecting to Oracle databases that has been a standard part of Oracle for a long time and it is included with Oracle XE. When connecti...
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Which iomanip manipulators are 'sticky'?

...ators return an object rather than a stream: setiosflags resetiosflags setbase setfill setprecision setw This is a common technique to apply an operation to only the next object that is applied to the stream. Unfortunately this does not preclude them from being sticky. Tests indicate that all of ...
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Flex-box: Align last row to grid

... the other items in the grid (per-breakpoint, overriding the above default/base module code), the last row spread out correctly. Seems to work on Safari, iOS, Firefox, Chrome (need to test IE) and my largest row size is 3 on my initial implementation. – webbower ...
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Storing Images in PostgreSQL

..., PostgreSQL additional supplied modules, How-tos etc. use a separate database with DBlink: for original image store, at another (unified/specialized) database. In this case, I prefer bytea, but blob is near the same. Separating database is the best way for a "unified image webservice". use bytea...
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Coding Conventions - Naming Enums

... In our codebase; we typically declare enums in the class that they belong to. So for your Fruit example, We would have a Fruit class, and inside that an Enum called Fruits. Referencing it in the code looks like this: Fruit.Fruits.App...
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How do I sort unicode strings alphabetically in Python?

...'t have word separators. You'll need to have a corpus of words to use as a base for the splitting, because that's not included, though. It also has long names for the locales so you can get pretty display names for the locale, support for other calendars than Gregorian (although I'm not sure the Py...
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Android studio, gradle and NDK

... My action was based upon how I was defining "integration". I understood it to mean "a way to use the NDK with gradle" which now does exist, albeit none of them are fantastic solutions. However, based on your comment, it seems your team has...
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What is the size of column of int(11) in mysql in bytes?

... stored value of 250000 will show 250000 The actual value stored in database is not affected, the size is still the same, and any calculation will behave normally. This also applies to BIGINT, MEDIUMINT, SMALLINT, and TINYINT. ...