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How do I pick randomly from an array?

...if there is a much cleaner way of doing this. Basically, I want to pick a random element from an array of variable length. Normally, I would do it like this: ...
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How to make an element in XML schema optional?

... Indeed, tested it, and you only need to specify minOccurs="0" to make it optional if you want to allow one element max. – Wouter Schut Jan 10 '17 at 8:42 ...
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How to get ASCII value of string in C#

...s—including throwing an exception—are available in the Encoding class. And, of course, other character encodings—especially UTF-8—are available, too; One should question whether it is ASCII that is actually wanted. – Tom Blodget Jan 11 '19 at 17:53 ...
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How to filter out files by extension in NERDTree?

...nary files, but it becomes manageable. NERDTree has a mechanism to detect and highlight files with the extra execute bit, where -rwxr-xr-x displays in bold with a "*" at the end of the filename. It would not be hard to add an extra mechanism to hide executable files (useful for compiled stuff, not ...
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RVM: Uninstalling all gems of a gemset

I have global gems and various gemsets. I want to remove all gems of a gemset. Is there a way do to this, besides uninstalling the gemset? ...
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NameError: name 'self' is not defined

...ot refer each other. It's a common pattern to default an argument to None and add a test for that in code: def p(self, b=None): if b is None: b = self.a print b share | improve th...
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How do I select child elements of any depth using XPath?

... C# doesn't seem to understand this notation. //form//input returns null in C# while Chrome can find 35 inputs using the same xpath – Achilles Mar 22 '15 at 7:27 ...
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How to destroy a DOM element with jQuery?

... Will .empty() have a similar effect? – Saurabh Nanda Oct 30 '12 at 19:35 3 @SaurabhNanda - E...
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How to use split?

...dited Apr 29 '13 at 8:31 Cyril Gandon 15.3k1010 gold badges6767 silver badges113113 bronze badges answered Mar 31 '10 at 19:20 ...
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When maven says “resolution will not be reattempted until the update interval of MyRepo has elapsed”

...ownload artifact directory in my local repo. Next time I run the maven command the artifact download is triggered again. Therefore I'd say it's a client side setting. Nexus side (server repo side), this issue is solved configuring a scheduled task. Client side, this is done using -U, as you alread...