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Impossible to Install PG gem on my mac with Mavericks

...t a note that you can still use bundler by setting a config env variable: export CONFIGURE_ARGS="with-pg-config=/Applications/Postgres.app/Contents/MacOS/bin/pg_config" – film42 Nov 16 '13 at 17:47 ...
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How to remove specific element from an array using python

... You don't need to iterate the array. Just: >>> x = ['ala@ala.com', 'bala@bala.com'] >>> x ['ala@ala.com', 'bala@bala.com'] >>> x.remove('ala@ala.com') >>> x ['bala@bala.com'] This will remove the first occurence that matches the string. EDIT:...
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How to pick a new color for each plotted line within a figure in matplotlib?

... matplotlib 1.5+ You can use axes.set_prop_cycle (example). matplotlib 1.0-1.4 You can use axes.set_color_cycle (example). matplotlib 0.x You can use Axes.set_default_color_cycle. ...
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Why use the SQL Server 2008 geography data type?

... If you plan on doing any spatial computation, EF 5.0 allows LINQ Expressions like: private Facility GetNearestFacilityToJobsite(DbGeography jobsite) { var q1 = from f in context.Facilities let distance = f.Geocode.Distance(jobsite) where distanc...
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Is Fortran easier to optimize than C for heavy calculations?

...nd allow them to generate more efficient code. Take a look at this little example in C: void transform (float *output, float const * input, float const * matrix, int *n) { int i; for (i=0; i<*n; i++) { float x = input[i*2+0]; float y = input[i*2+1]; output[i*2...
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Python list sort in descending order

... In one line, using a lambda: timestamp.sort(key=lambda x: time.strptime(x, '%Y-%m-%d %H:%M:%S')[0:6], reverse=True) Passing a function to list.sort: def foo(x): return time.strptime(x, '%Y-%m-%d %H:%M:%S')[0:6] timestamp.sort(key=foo, reverse=True) ...
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How can I start PostgreSQL server on Mac OS X?

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Git for beginners: The definitive practical guide

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Open multiple Eclipse workspaces on the Mac

... the officially supported way to do this as of 10.5. Earlier version of OS X and even 10.5 and up should still work using the following instructions though. Open the command line (Terminal) Navigate to your Eclipse installation folder, for instance: cd /Applications/eclipse/ cd /Developer/Ecl...
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Way to ng-repeat defined number of times instead of repeating over array?

...ou to do this with only a variable (no function needed): <li ng-repeat="x in [].constructor(number) track by $index"> <span>{{ $index+1 }}</span> </li> $scope.number = 5; This was not possible at the time the question was first asked. Credit to @Nikhil Nambiar from his...