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Using custom std::set comparator

...overloads the () operator so it can be called like a function). struct lex_compare { bool operator() (const int64_t& lhs, const int64_t& rhs) const { stringstream s1, s2; s1 << lhs; s2 << rhs; return s1.str() < s2.str(); } }; You then...
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ImportError: No module named MySQLdb

...tall pymysql and switch your SQLAlchemy URI to start like this: SQLALCHEMY_DATABASE_URI = 'mysql+pymysql://.....' There are some other drivers you could also try. share | improve this answer ...
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Regular expression for a string that does not start with a sequence

...ng this program , but I need to ignore ones that start with the label "tbd_". So far I have something like [^tbd_] but that simply not match those characters. ...
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When do we need curly braces around shell variables?

...ing practice. This is both for consistency and to avoid surprises like $foo_$bar.jpg, where it's not visually obvious that the underscore becomes part of the variable name. share | improve this answ...
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Does this app use the Advertising Identifier (IDFA)? - AdMob 6.8.0

...ly ads (Google AdMob), I checked the first (Serve ads...) and last box (I, ___, confirm...). App was approved and released, no issues. Source: https://groups.google.com/forum/#!topic/google-admob-ads-sdk/BsGRSZ-gLmk share ...
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Rails 3 execute custom sql query without a model

... Maybe try this: ActiveRecord::Base.establish_connection(...) ActiveRecord::Base.connection.execute(...) share | improve this answer | follow ...
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Django rest framework, use different serializers in the same ModelViewSet

... Override your get_serializer_class method. This method is used in your model mixins to retrieve the proper Serializer class. Note that there is also a get_serializer method which returns an instance of the correct Serializer class DualSeri...
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Is there a way to detect if an image is blurry?

...ed image and takes the average of the 90% highest frequencies: testFft[img_] := Table[ ( blurred = GaussianFilter[img, r]; fft = Fourier[ImageData[blurred]]; {w, h} = Dimensions[fft]; windowSize = Round[w/2.1]; Mean[Flatten[(Abs[ fft[[w/2 - windowSize ;; w/2 + windowSize, ...
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Can a C# lambda expression have more than one statement?

...ven without curly brackets: Action<int, int> action = (x, y) => (_, _) = (X += x, Y += y); and Action<int, int> action = (x, y) => _ = (X += x, Y += y); would be the same as: Action<int, int> action = (x, y) => { X += x; Y += y; }; This also might be helpful if yo...
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What's the cause of this FatalExecutionEngineError in .NET 4.5 beta? [closed]

...d .cctor() cil managed { // Code size 11 (0xb) .maxstack 8 IL_0000: ldstr "" IL_0005: stsfld string System.String::Empty IL_000a: ret } // end of method String::.cctor In the .NET 4.5 version of mscorlib.dll, String.cctor (the static constructor) is conspicuously abse...