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Generate a random double in a range

... This question was asked before Java 7 release but now, there is another possible way using Java 7 (and above) API: double random = ThreadLocalRandom.current().nextDouble(min, max); nextDouble will return a pseudorandom double value between the minimum (inclusive) and the ...
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How to remove all namespaces from XML with C#?

...te static XElement RemoveAllNamespaces(XElement xmlDocument) { if (!xmlDocument.HasElements) { XElement xElement = new XElement(xmlDocument.Name.LocalName); xElement.Value = xmlDocument.Value; foreach (XAttribute attribute in xmlDocument.Attri...
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How to check if bootstrap modal is open, so i can use jquery validate

i need to make a validation only if a modal is open, because if i open it, and then i close it, and the i press the button that opens the modal it doesn't work because it is making the jquery validation, but not showing because the modal was dismissed. ...
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What is the meaning of “POSIX”?

... POSIX is a family of standards, specified by the IEEE, to clarify and make uniform the application programming interfaces (and ancillary issues, such as commandline shell utilities) provided by Unix-y operating systems. When you write your programs to rely on ...
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What Makes a Good Unit Test? [closed]

... in the code, ensure that you test all key paths and scenarios.. Use tools if you must to know untested regions Repeatable: Tests should produce the same results each time.. every time. Tests should not rely on uncontrollable params. Independent: Very important. Tests should test only one thing a...
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Real world use cases of bitwise operators [closed]

...te is defined by several "yes or no" properties. ACLs are a good example; if you have let's say 4 discrete permissions (read, write, execute, change policy), it's better to store this in 1 byte rather than waste 4. These can be mapped to enumeration types in many languages for added convenience. C...
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Print string to text file

...) text_file.write("Purchase Amount: %s" % TotalAmount) text_file.close() If you use a context manager, the file is closed automatically for you with open("Output.txt", "w") as text_file: text_file.write("Purchase Amount: %s" % TotalAmount) If you're using Python2.6 or higher, it's preferred...
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Why is creating a Thread said to be expensive?

... executed within the JVM thread in the OS. They are not often used, to my knowledge. The biggest factor I can think of in the thread-creation overhead, is the stack-size you have defined for your threads. Thread stack-size can be passed as a parameter when running the VM. Other than that, thread ...
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File Upload without Form

... IMHO this is the best solution, however another choice is to use an <iframe inside you can do a regular post back – John Smith Nov 12 '14 at 16:41 ...
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Google Maps API 3 - Custom marker color for default (dot) marker

... Not sure if this is new but you can add _withshadow to have the shadow built in automatically. Example, chart.apis.google.com/… – Lionel Chan Apr 1 '13 at 8:52 ...