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When should I use a NoSQL database instead of a relational database? Is it okay to use both on the s

...proven and suitable for 99% of the real world applications. You can practically do anything with relational databases. But, there are limitations on speed and scaling when it comes to massive high availability data stores. For example, Google and Amazon have terabytes of data stored in big data cen...
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npm install private github repositories by dependency in package.json

I'm trying to install github private repository by npm that includes other private github repositories as dependency. 10 An...
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How do you implement an async action delegate method?

I am learning the Web API stack and I am trying to encapsulate all data in the form of a "Result" object with parameters such as Success and ErrorCodes. ...
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How to git log in reverse order?

... You don't need to type --reverse all the time, nor do you need a bash function. You can just create a git alias. Open up your favorite text editor and open up your global .gitconfig file. It's usually found in your home directory. Navigate to or create a se...
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Should I embed images as data/base64 in CSS or HTML

... practice? Are there some reasons to avoid this? It's a good practice usually only for very small CSS images that are going to be used together (like CSS sprites) when IE compatibility doesn't matter, and saving the request is more important than cacheability. It has a number of notable downsides...
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Store output of subprocess.Popen call in a string

I'm trying to make a system call in Python and store the output to a string that I can manipulate in the Python program. 15...
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Using Enums while parsing JSON with GSON

...d "status": "N",, where N=0,1,2,3 - depend on the Status values. So that's all, GSON works fine with the values for the nested enum class. In my case i've parsed a list of Items from json array: List<Item> items = new Gson().<List<Item>>fromJson(json, ...
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Angularjs Template Default Value if Binding Null / Undefined (With Filter)

I have a template binding that displays a model attribute called 'date' which is a date, using Angular's date filter. 6 Ans...
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How to check type of variable in Java?

... Java is a statically typed language, so the compiler does most of this checking for you. Once you declare a variable to be a certain type, the compiler will ensure that it is only ever assigned values of that type (or values that are sub-ty...
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iOS Image Orientation has Strange Behavior

...erty. If the metadata specifies the orientation of the image which is generally ignored by other OS but Mac. Most of images taken are having their meta data property set to right angle. So Mac shows it 90 degree rotated manner. You can see the same image in proper way in windows OS. For more detail...