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How do I partially update an object in MongoDB so the new object will overlay / merge with the exist

...n would be that you are happy with $set, but do not want to explicitly set all fields. How would you pass in the data then? You know you can do the following: db.collection.update( { _id:...} , { $set: someObjectWithNewData } ...
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Is it possible to create static classes in PHP (like in C#)?

... You can have static classes in PHP but they don't call the constructor automatically (if you try and call self::__construct() you'll get an error). Therefore you'd have to create an initialize() function and call it in each method: <?php class Hello { private static...
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Calculating frames per second in a game

... mean the value of time that you calculated for the last frame. This way, all previous frames will be included, with the most recent frames weighted the most heavily. – j_random_hacker May 23 '13 at 20:37 ...
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How to split a column into two columns?

... answered Feb 7 '13 at 7:03 rootroot 54.3k1818 gold badges9292 silver badges113113 bronze badges ...
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How to check version of python modules?

I just installed the python modules: construct and statlib with setuptools like this: 25 Answers ...
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Multiple levels of 'collection.defaultdict' in Python

...ng specific that you need help with? When d[new_key] is accessed, it will call the lambda which will create a new defaultdict(int). And when d[existing_key][new_key2] is accessed, a new int will be created. – interjay Oct 11 '13 at 12:53 ...
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What is the difference between exit and return? [duplicate]

...hat is difference between return and exit statement in C programming when called from anywhere in a C program? 4 Answers ...
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How to measure time in milliseconds using ANSI C?

... Doesn't this measure cpu time and not wall time? – krs013 Feb 1 '15 at 4:53  |  show 1 more comment ...
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Structure padding and packing

.... A note though - unaligned memory access is slower on architectures that allow it (like x86 and amd64), and is explicitly prohibited on strict alignment architectures like SPARC. share | improve t...
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background function in Python

...em is. I've got a function that downloads the image needed and saves it locally. Right now it's run inline with the code that displays a message to the user, but that can sometimes take over 10 seconds for non-local images. Is there a way I could call this function when it's needed, but run it in t...