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JavaScript for detecting browser language preference [duplicate]

...e)], debug=False) def main(): run_wsgi_app(application) if __name__ == "__main__": main() Edit3: Have open sourced the app engine code here: https://github.com/dansingerman/app-engine-headers ...
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How to throw std::exceptions with variable messages?

...atter & operator << (const Type & value) { stream_ << value; return *this; } std::string str() const { return stream_.str(); } operator std::string () const { return stream_.str(); } enum ConvertToString { to_str };...
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Update MongoDB field using value of another field

...; { requests.push( { 'updateOne': { 'filter': { '_id': document._id }, 'update': { '$set': { 'name': document.name } } } }); if (requests.length === 500) { //Execute per 500 operations and re-init db.collection.bulkWrite(requests)...
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How to avoid “if” chains?

...the basic flow, e.g. instead of if (ok) { DoSomething(); } else { _log.Error("oops"); return; } ... you'd use.... if (!ok) { _log.Error("oops"); return; } DoSomething(); //notice how this is already farther to the left than the example above When there is a long series of ...
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How do I set a conditional breakpoint in gdb, when char* x points to a string whose value equals “he

... This method can have side effects. $_streq method from @tlwhitec is better. – rools Apr 14 '19 at 14:08 add a comment ...
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Regular expression to match URLs in Java

...placeholder. String regex = "^(https?|ftp|file)://[-a-zA-Z0-9+&@#/%?=~_|!:,.;]*[-a-zA-Z0-9+&@#/%=~_|]"; This works too: String regex = "\\b(https?|ftp|file)://[-a-zA-Z0-9+&@#/%?=~_|!:,.;]*[-a-zA-Z0-9+&@#/%=~_|]"; Note: String regex = "<\\b(https?|ftp|file)://[-a-zA-Z0-9+&am...
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Difference between Node object and Element object?

...e various types of nodes here (diagram from MDN): You can see an ELEMENT_NODE is one particular type of node where the nodeType property has a value of 1. So document.getElementById("test") can only return one node and it's guaranteed to be an element (a specific type of node). Because of that ...
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How do I search for an object by its ObjectId in the mongo console?

...est.find() // no criteria { "_id" : ObjectId("4ecc05e55dd98a436ddcc47c"), "x" : 1 } > db.test.find({"_id" : ObjectId("4ecc05e55dd98a436ddcc47c")}) // explicit { "_id" : ObjectId("4ecc05e55dd98a436ddcc47c"), "x" : 1 } > db.test.find(ObjectId...
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What is the pythonic way to avoid default parameters that are empty lists?

... def my_func(working_list=None): if working_list is None: working_list = [] working_list.append("a") print(working_list) The docs say you should use None as the default and explicitly test for it in the body ...
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Converting XML to JSON using Python?

...nversion. from xml.etree import ElementTree as ET xml = ET.parse('FILE_NAME.xml') parsed = parseXmlToJson(xml) def parseXmlToJson(xml): response = {} for child in list(xml): if len(list(child)) > 0: response[child.tag] = parseXmlToJson(child) else: response[child.t...