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When should I use ugettext_lazy?

I have a question about using ugettext and ugettext_lazy for translations. I learned that in models I should use ugettext_lazy , while in views ugettext. But are there any other places, where I should use ugettext_lazy too? What about form definitions? Are there any performance diffrences betwe...
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Set type for function parameters?

... Blessing and a curse. – Jeffrey Sweeney Dec 6 '11 at 22:17 41 ...
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How can I run a directive after the dom has finished rendering?

...nswered Sep 3 '12 at 6:41 Artem AndreevArtem Andreev 19.7k55 gold badges4141 silver badges4141 bronze badges ...
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How to get the path of a running JAR file?

My code runs inside a JAR file, say foo.jar , and I need to know, in the code, in which folder the running foo.jar is. 3...
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NSString: isEqual vs. isEqualToString

What is the difference between isEqual: and isEqualToString: ? 5 Answers 5 ...
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What is SELF JOIN and when would you use it? [duplicate]

What is self join and when would you use it? I don't understand self joins so a layman explanation with an example would be great. ...
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Why does Popen.communicate() return b'hi\n' instead of 'hi'?

...someone explain why the result I want, "hi", is preceded with a letter 'b' and followed with a newline? 4 Answers ...
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Are there any style options for the HTML5 Date picker?

...picker-indicator So if you thought the date input could use more spacing and a ridiculous color scheme you could add the following: ::-webkit-datetime-edit { padding: 1em; } ::-webkit-datetime-edit-fields-wrapper { background: silver; } ::-webkit-datetime-edit-text { color: red; padding: 0 ...
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How many database indexes is too many?

...nds on the operations that occur on the table. If there's lots of SELECTs and very few changes, index all you like.... these will (potentially) speed the SELECT statements up. If the table is heavily hit by UPDATEs, INSERTs + DELETEs ... these will be very slow with lots of indexes since they all ...
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Is there a way to detect if a browser window is not currently active?

... in incompatible browsers: (function() { var hidden = "hidden"; // Standards: if (hidden in document) document.addEventListener("visibilitychange", onchange); else if ((hidden = "mozHidden") in document) document.addEventListener("mozvisibilitychange", onchange); else if ((hidden...