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Why does Oracle 9i treat an empty string as NULL?

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What is a Python equivalent of PHP's var_dump()? [duplicate]

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Can a dictionary be passed to django models on create?

... answered Oct 15 '09 at 10:49 AlasdairAlasdair 235k3838 gold badges431431 silver badges416416 bronze badges ...
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Creating C macro with ## and __LINE__ (token concatenation with positioning macro)

... | edited Aug 10 '16 at 16:55 Warty 6,58311 gold badge2424 silver badges4646 bronze badges a...
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Creating a dynamic choice field

... answered Aug 6 '10 at 2:17 AshokAshok 9,64522 gold badges3131 silver badges2323 bronze badges ...
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PHP array_filter with arguments

... $i < $this->num; } } Usage (demo): $arr = array(7, 8, 9, 10, 11, 12, 13); $matches = array_filter($arr, array(new LowerThanFilter(12), 'isLower')); print_r($matches); As a sidenote, you can now replace LowerThanFilter with a more generic NumericComparisonFilter with methods lik...
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How do I plot in real-time in a while loop using matplotlib?

...-11-14): import numpy as np import matplotlib.pyplot as plt plt.axis([0, 10, 0, 1]) for i in range(10): y = np.random.random() plt.scatter(i, y) plt.pause(0.05) plt.show() Note some of the changes: Call plt.pause(0.05) to both draw the new data and it runs the GUI's event loop (...
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What is the difference between SIGSTOP and SIGTSTP?

... answered Apr 22 '13 at 2:10 Royce ChaoRoyce Chao 58155 silver badges55 bronze badges ...
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Run function from the command line

... answered Oct 21 '10 at 11:52 Frédéric HamidiFrédéric Hamidi 232k3737 gold badges445445 silver badges455455 bronze badges ...
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How to set the prototype of a JavaScript object that has already been instantiated?

...nd no IE ever will). It's likely it'll work in webkit and moz for the next 10 years as ES6 won't be finalized until 2013. Brendan Eich - re:Approach of new Object methods in ES5: Sorry, ... but settable __proto__, apart from the object initialiser use case (i.e., on a new object not yet reachab...