How can I check the size of a collection with JSTL? Something like: <c:if test="${companies.size() > 0}"> </c:if> 4 Answers 4
I’m sure there’s a good reason, but could someone please explain why the java.util.Set interface lacks get(int Index), or any similar get() method? ...
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May 23, 2022
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This question already has answers here: Is there an IDictionary implementation that, on missing key, returns the default value instead of throwing? (18 ...
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May 23, 2022
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I’ve got a generic dictionary Dictionary<string, T> that I would like to essentially make a Clone() of ..any suggestions. 14 Answers 14
Say I have 3 strings in a List (e.g. “1”,”2″,”3″). Then I want to reorder them to place “2” in position 1 (e.g. ...
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May 21, 2022
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I have two arraylist filelist and imgList which related to each other, e.g. “H1.txt” related to “e1.jpg”. How to automatically randomized the list ...
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May 20, 2022
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DataGridView, for example, lets you do this: DataGridView dgv = ...; DataGridViewCell cell = dgv...
I’m migrating a piece of code to make use of generics. One argument for doing so is that the for loop is much ...
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May 20, 2022
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I want to verify whether a collection is empty and null. Could anyone please let me know the best practice. Currently, I am ...
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May 18, 2022
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