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Get the _id of inserted document in Mongo database in NodeJS

...ection.insert that will return the doc or docs inserted, which should have _ids. Try: collection.insert(objectToInsert, function(err,docsInserted){ console.log(docsInserted); }); and check the console to see what I mean. ...
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Symfony 2 EntityManager injection in service

...service and I need to inject doctrine EntityManager, but I don't see that __construct() is called on my service, and injection doesn't work. ...
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Call a python function from jinja2

... For those using Flask, put this in your __init__.py: def clever_function(): return u'HELLO' app.jinja_env.globals.update(clever_function=clever_function) and in your template call it with {{ clever_function() }} ...
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How to determine the version of the C++ standard used by the compiler?

...ngs: /*Define Microsoft Visual C++ .NET (32-bit) compiler */ #if (defined(_M_IX86) && defined(_MSC_VER) && (_MSC_VER >= 1300) ... #endif /*Define Borland 5.0 C++ (16-bit) compiler */ #if defined(__BORLANDC__) && !defined(__WIN32__) ... #endif You probably wil...
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Why is using 'eval' a bad practice?

..." attsToStore=('Name', 'Artist', 'Album', 'Genre', 'Location') def __init__(self): for att in self.attsToStore: setattr(self, att.lower(), None) def setDetail(self, key, val): if key in self.attsToStore: setattr(self, key.lower(), val) EDIT: The...
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How to get number of entries in a Lua table?

...ole table with pairs(..). function tablelength(T) local count = 0 for _ in pairs(T) do count = count + 1 end return count end Also, notice that the "#" operator's definition is a bit more complicated than that. Let me illustrate that by taking this table: t = {1,2,3} t[5] = 1 t[9] = 1 Ac...
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How are Python's Built In Dictionaries Implemented?

...keys' hashes. You can think of it like this: hash key dict_0 dict_1 dict_2... ...010001 ffeb678c 633241c4 fffad420 ... ... ... ... ... ... For a 64 bit machine, this could save up to 16 bytes per key per extra dictionary. Shared Keys for...
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What is Autoloading; How do you use spl_autoload, __autoload and spl_autoload_register?

...dards and trying to implement new and useful methods. Earlier I was using __autoload just to escape including multiple files on each page, but recently I have seen a tip on __autoload manual ...
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__getattr__ on a module

How can implement the equivalent of a __getattr__ on a class, on a module? 8 Answers ...
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Call static method with reflection

... I prefer simplicity... private void _InvokeNamespaceClassesStaticMethod(string namespaceName, string methodName, params object[] parameters) { foreach(var _a in AppDomain.CurrentDomain.GetAssemblies()) { foreach(var _t in _a.GetTypes()) { ...