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Rails raw SQL example

... and then you'd need to call values on this PG::Result object to get the results array – jobwat Mar 26 '14 at 1:00 3 ...
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Is errno thread-safe?

...t errno; so my question is, is it safe to check errno value after some calls or use perror() in multi-threaded code. Is this a thread safe variable? If not, then whats the alternative ? ...
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Java abstract interface

...blic void interfacing(); public abstract boolean interfacing(boolean really); \___.__/ | '----> nor this, are necessary. } Interfaces and their methods are implicitly abstract and adding that modifier makes no difference. Is there other rules tha...
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No output to console from a WPF application?

... You'll have to create a Console window manually before you actually call any Console.Write methods. That will init the Console to work properly without changing the project type (which for WPF application won't work). Here's a complete source code example, of how a C...
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How to read a file into a variable in shell?

... Ok but it's bash, not sh; it may not fit all cases. – moala Apr 15 '13 at 11:25 18 ...
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Express-js can't GET my static files, why?

... In case of new install you should verify that your express module is properly installed (expressjs.com/en/starter/installing.html) then you should check the path and your directory name like Giacomo said ;) – Spl2nky ...
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mysql -> insert into tbl (select from another table) and some default values [duplicate]

... If you want to insert all the columns then insert into def select * from abc; here the number of columns in def should be equal to abc. if you want to insert the subsets of columns then insert into def (col1,col2, col3 ) select scol1,scol2,...
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Sphinx autodoc is not automatic enough

...for modules project.module1 and project.module2 will be generated automatically and placed into _autosummary directory. PROJECT ======= .. toctree:: .. autosummary:: :toctree: _autosummary project.module1 project.module2 By default autosummary will generate only very short summaries fo...
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How to use phpexcel to read data and insert into database?

...el_Cell::columnIndexFromString($sheet->getHighestColumn()); I am not infallible ` – Mark Baker Jun 16 '13 at 21:48 ...
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How can I check for Python version in a program that uses new language features?

...rom the question that needed addressing is that a program must be syntactically correct for that version of python to even begin executing, so using new syntax precludes a program from starting on older versions of the interpreter. eval works around that – Autoplectic ...