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Matplotlib (pyplot) savefig outputs blank image

...values that depend whether or not T0 exists. Second, after plt.show() is called, a new figure is created. To deal with this, you can Call plt.savefig('tessstttyyy.png', dpi=100) before you call plt.show() Save the figure before you show() by calling plt.gcf() for "get current figure", then you ca...
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How to set default value to the input[type=“date”] [duplicate]

... @sheriffderek . This is not supported in all browsers, you need a jquery or similar fallback solution – jonah May 3 '17 at 2:49 ...
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Get the name of the currently executing method

... Even better than my first answer you can use __method__: class Foo def test_method __method__ end end This returns a symbol – for example, :test_method. To return the method name as a string, call __method__.to_s instead. Note: This requires Ruby 1.8.7. ...
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Simple Log to File example for django 1.3+

...ogfile'], 'level': 'DEBUG', }, } } Now what does all of this mean? Formaters I like it to come out as the same style as ./manage.py runserver Handlers - I want two logs - a debug text file, and an info console. This allows me to really dig in (if needed) and look at a te...
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Sequelize.js delete query?

Is there a way to write a delete/deleteAll query like findAll? 9 Answers 9 ...
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Should I declare Jackson's ObjectMapper as a static field?

...hey are fully immutable, thread-safe, meaning that it is not even theoretically possible to cause thread-safety issues (which can occur with ObjectMapper if code tries to re-configure instance). share | ...
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How do I check in JavaScript if a value exists at a certain array index?

... Conceptually, arrays in JavaScript contain array.length elements, starting with array[0] up until array[array.length - 1]. An array element with index i is defined to be part of the array if i is between 0 and array.length - 1 inclu...
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Why can I not push_back a unique_ptr into a vector?

...to a local variable. The lifetime of a local variable is managed automatically: local variables are destroyed when the block ends (e.g., when the function returns, in this case). You need to dynamically allocate the object: std::unique_ptr<int> ptr(new int(1)); ...
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Is there a __CLASS__ macro in C++?

Is there a __CLASS__ macro in C++ which gives the class name similar to __FUNCTION__ macro which gives the function name ...
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How to check if running in Cygwin, Mac or Linux?

... Usually, uname with its various options will tell you what environment you're running in: pax> uname -a CYGWIN_NT-5.1 IBM-L3F3936 1.5.25(0.156/4/2) 2008-06-12 19:34 i686 Cygwin pax> uname -s CYGWIN_NT-5.1 And, accordin...