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Does java.util.List.isEmpty() check if the list itself is null? [duplicate]

...ollections http://commons.apache.org/proper/commons-collections/javadocs/api-release/org/apache/commons/collections4/CollectionUtils.html#isEmpty(java.util.Collection) which implements it quite ok and well documented: /** * Null-safe check if the specified collection is empty. * <p> * ...
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How to retrieve GET parameters from javascript? [duplicate]

...og(params.get("ping")) https://developer.mozilla.org/en-US/docs/Web/API/URLSearchParams https://polyfill.io/v2/docs/features/ share | improve this answer | follow ...
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How to Replace dot (.) in a string in Java

... //replaces a literal . with /*/ http://docs.oracle.com/javase/7/docs/api/java/lang/String.html#replaceAll(java.lang.String,%20java.lang.String) share | improve this answer | ...
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Getting the caller function name inside another function in Python? [duplicate]

...the _getframe method name (hey, it starts with an underscore), it's not an API method one should be thoughtlessly rely on. share | improve this answer | follow ...
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What is the rationale behind having companion objects in Scala?

...n underlying Java implementation based delegator and let consumers of your API live in pure world. share | improve this answer | follow | ...
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Using Java 8's Optional with Stream::flatMap

...:stream) .findFirst(); Java 8 Yes, this was a small hole in the API, in that it's somewhat inconvenient to turn an Optional<T> into a zero-or-one length Stream<T>. You could do this: Optional<Other> result = things.stream() .map(this::resolve) .fl...
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Git - fatal: Unable to create '/path/my_project/.git/index.lock': File exists

...ng for .get instead of .git which would not exist. – Apie Jul 22 '13 at 12:34 3 Permission denied...
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How to remove “onclick” with JQuery?

...]').prop('onclick',null).off('click'); <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script> <a id="a$id" onclick="alert('get rid of this')" href="javascript:void(0)" class="black">Qualify</a> ...
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How to put individual tags for a scatter plot

... That's what I was going to say. Link to docs: matplotlib.sourceforge.net/api/… Link to demo: matplotlib.sourceforge.net/examples/pylab_examples/… – Paul Feb 28 '11 at 21:06 ...
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Get selected value in dropdown list using JavaScript

...the variations / language! Now if I only knew the equivalent for Office JS API Dropdown... – Cindy Meister Mar 1 '18 at 18:21 ...