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Automatic creation date for Django model form objects?

What's the best way to set a creation date for an object automatically, and also a field that will record when the object was last updated? ...
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C# Convert string from UTF-8 to ISO-8859-1 (Latin1) H

I have googled on this topic and I have looked at every answer, but I still don't get it. 8 Answers ...
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user authentication libraries for node.js?

...an do password authentication for a user (using a custom backend auth DB), and associate that user with a session. 15 Answe...
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How do I retrieve an HTML element's actual width and height?

... the browser's display (viewport). To do so, I need to calculate the width and height of the <div> element. 14 Ans...
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how to install gcc on windows 7 machine?

I have MinGW on my windows 7 machine. I wish to install and use complete gcc for C compiler. I found there is no single pre-compiled ready-made installation file for this purpose. I checked the following page : http://gcc.gnu.org/install/ It is difficult and I find it above my level of understandi...
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How many bytes does one Unicode character take?

...ough it sure does try. Unicode itself is a mapping, it defines codepoints and a codepoint is a number, associated with usually a character. I say usually because there are concepts like combining characters. You may be familiar with things like accents, or umlauts. Those can be used with another ch...
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How to ignore HTML element from tabindex?

...ential focus navigation. Watch out though that this is a HTML5 feature and might not work with old browsers. To be W3C HTML 4.01 standard (from 1999) compliant, tabindex would need to be positive. Sample usage below in pure HTML. <input /> <input tabindex="-1" placeholder="NoTa...
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Secondary axis with twinx(): how to add to legend?

... a plot with two y-axes, using twinx() . I also give labels to the lines, and want to show them with legend() , but I only succeed to get the labels of one axis in the legend: ...
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Real mouse position in canvas [duplicate]

....clientY - rect.top }; } Just call it from your event with the event and canvas as arguments. It returns an object with x and y for the mouse positions. As the mouse position you are getting is relative to the client window you'll have to subtract the position of the canvas element to convert...
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How can I make a time delay in Python? [duplicate]

...l... it'll print less frequently than that, because it takes time to print and handle all the buffers that entails (possibly doing a kernel context switch), and to register the alarm signal, but... yeah. A little under once per minute. – Parthian Shot Jun 17 '1...