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Sockets: Discover port availability using Java

How do I programmatically determine the availability of a port in a given machine using Java? 10 Answers ...
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Java: Get first item from a collection

...ction<String> strs , how can I get the first item out? I could just call an Iterator , take its first next() , then throw the Iterator away. Is there a less wasteful way to do it? ...
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What's the difference between %s and %d in Python string formatting?

... what do you call these %s, %d, etc? – Chaine May 19 '17 at 18:21 1 ...
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What is the difference between Class.getResource() and ClassLoader.getResource()?

...esource paths are always deemed to be absolute. So the following are basically equivalent: foo.bar.Baz.class.getResource("xyz.txt"); foo.bar.Baz.class.getClassLoader().getResource("foo/bar/xyz.txt"); And so are these (but they're different from the above): foo.bar.Baz.class.getResource("/data/x...
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How do you change the width and height of Twitter Bootstrap's tooltips?

...on, you shouldn't declare a final width or your tooltip content will eventually wrap at that point. Instead, you use an infinite width or flexible width. max-width: 100%; will ensure that once the tooltip has initiated at 100px wide, it will grow and adjust to your content regardless of the amount o...
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How can I get a java.io.InputStream from a java.lang.String?

... You might be right. I originally made it a comment probably because it wasn't an actual answer to OP's question. – Andres Riofrio Jul 15 '13 at 18:52 ...
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Get property value from string using reflection

...fferentiate between a null value of an existing property or no property at all? I'd much rather know immediately that I was sending in a bad property name. This is not production code, but a better improvement would be to throw a more specific exception (e.g. check for null on GetProperty and throw ...
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Is there a limit to the length of HTML attributes?

... element's attribute specification list (which should be the total size of all attributes for that element). The note above mentions that fixed limits should be avoided, however, so it's likely that there is no real limit other than available memory in most implementations. HTML 5 HTML 5 seems to...
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Is there an easy way to pickle a python function (or otherwise serialize its code)?

... You could serialise the function bytecode and then reconstruct it on the caller. The marshal module can be used to serialise code objects, which can then be reassembled into a function. ie: import marshal def foo(x): return x*x code_string = marshal.dumps(foo.func_code) Then in the remote proc...
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How to convert list of key-value tuples into dictionary?

...two-tuple, e.g. ('A', 1), but rather a 1916-length iterable. Once you actually have a list in the form you stated in your original question (myList = [('A',1),('B',2),...]), all you need to do is dict(myList). share ...