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How to install JSTL? The absolute uri: http://java.sun.com/jstl/core cannot be resolved

... deployed with this application That URI is for JSTL 1.0, but you're actually using JSTL 1.2 which uses URIs with an additional /jsp path (because JSTL, who invented EL expressions, was since version 1.1 integrated as part of JSP in order to share/reuse the EL logic in plain JSP too). So, fix the...
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Why do we need the “finally” clause in Python?

I am not sure why we need finally in try...except...finally statements. In my opinion, this code block 14 Answers ...
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Static methods - How to call a method from another method?

... class.method should work. class SomeClass: @classmethod def some_class_method(cls): pass @staticmethod def some_static_method(): pass SomeClass.some_class_method() SomeClass.some_static_method() sha...
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How should one use std::optional?

...std::string s, int& i); Another way that this could be done is especially bad: int* try_parse_int(std::string s); //return nullptr if fail This requires dynamic memory allocation, worrying about ownership, etc. - always prefer one of the other two signatures above. Another example: clas...
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sed or awk: delete n lines following a pattern

... how to delete all lines after the pattern is matched ? I am using sed -e '/<!--#content end--></div>/,$d' out.txt but it gives error saying : sed: -e expression #1, char 24: extra characters after command Thanks in advance. ...
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What is the difference (if any) between Html.Partial(view, model) and Html.RenderPartial(view,model)

... The usage of the two methods is slightly different: @Html.Partial("_yourPartialView") @{ Html.RenderPartial("_yourPartialView "); } The choice of which to use depends on your requirements. If you need to further manipulate the string being injected in the response stream, you shoul...
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How would you count occurrences of a string (actually a char) within a string?

...nsion methods on the string class. I guess they figured devs wouldn't want all those extension methods to show up on the string class. Probably a wise decision. – Judah Gabriel Himango Feb 15 '09 at 23:27 ...
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How to sort objects by multiple keys in Python?

Or, practically, how can I sort a list of dictionaries by multiple keys? 8 Answers 8 ...
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Checkout one file from Subversion

... The really simple solution is to access the repository with a web browser. – dolmen Jul 9 '10 at 8:32 11 ...
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How do I encode and decode a base64 string?

..., I'll agree that wrapping a deref error is definitely dubious (plus we're all slowly agreeing to the fact that null as a concept is a bit of a hack to begin with), but we can still see some effects otherwise: the parameter name given in the exception might not be correct if left unchecked. ...