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M_PI works with math.h but not with cmath in Visual Studio

...is specifically designed so that you can include it again with that define now changed to add M_PI etc. This is NOT the case with cmath. So you need to make sure you #define _USE_MATH_DEFINES before you include anything else. Hope that clears it up for you :) Failing that just include math.h you a...
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Positioning MKMapView to show multiple annotations at once

... The link posted by Jim is now dead, but i was able to find the code (which I had bookmarked somewhere). Hope this helps. - (void)zoomToFitMapAnnotations:(MKMapView *)mapView { if ([mapView.annotations count] == 0) return; CLLocationCoordin...
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How do you rename a MongoDB database?

... This is great! I already had a mongodump created. Didnt know you can restore it with a different name. Thanks! – Dushyant Bangal Mar 31 '17 at 13:29 5 ...
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Auto-center map with multiple markers in Google Maps API v3

...s[i][0]); infowindow.open(map, marker); } })(marker, i)); } //now fit the map to the newly inclusive bounds map.fitBounds(bounds); //(optional) restore the zoom level after the map is done scaling var listener = google.maps.event.addListener(map, "idle", function () { map.setZoom(3...
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Saving interactive Matplotlib figures

... pickle now works on MPL figures, so this can be done and appears to work reasonable well - almost like a Matlab ".fig" figure file. See my answer below (for now?) for an example of how to do it. – Demis ...
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Tree data structure in C#

... Don't know if maybe things have changed but right now the book is freely available to download as PDF from the C5 site. – Oskar Aug 6 '09 at 12:10 ...
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Mongoose query where value is not null

... the mongodb docs about it are here (now): docs.mongodb.org/manual/reference/operator/query The up-to-date doc about it, is here: mongoosejs.com/docs/api.html#query_Query-ne – zeropaper Jul 20 '14 at 7:52 ...
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Displaying better error message than “No JSON object could be decoded”

...ew error message format. I don’t have time to track exact releases right now however. – Martijn Pieters♦ Mar 14 at 0:29 1 ...
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How does the keyword “use” work in PHP and can I import classes with it?

...you have two classes with the same name, put them in different namespaces. Now consider when your auto loader is loading both classes (does by require), and you are about to use object of class. In this case, the compiler will get confused which class object to load among two. To help the compiler m...
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Partial Commits with Subversion

... Tortoise SVN 1.8 now supports this with it's "Restore after commit" feature. This allow you to make edits to a file, with all of the edits being undone after the commit Per the documentation: To commit only the parts of the file that rel...