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Why can Java Collections not directly store Primitives types?

...d up with multiple collections, so you will need an intlist and a charlist etc. Taking advantage of the object oriented nature of Java when you write a collection class it can store any object so you need only one collection class. This idea, polymorphism, is very powerful and greatly simplifies th...
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Getting current device language in iOS?

...ly selected language. "en" for English, "es" for Spanish, "de" for German, etc. For more examples, please see this Wikipedia entry (in particular, the 639-1 column): List of ISO 639-1 codes Then it's a simple matter of converting the two letter codes to the string you would like to display. So if ...
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Why do most C developers use define instead of const? [duplicate]

...== x, but if SCALE is an (extern) const, it will need to generate code to fetch the value and perform the multiplication because the value will not be known until the linking stage. (extern is needed to use the constant from several source files.) A closer equivalent to using #define is using enume...
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How do I create a Python function with optional arguments?

...s): c = kwargs.get('c', None) d = kwargs.get('d', None) #etc myfunc(a,b, c='nick', d='dog', ...) And then kwargs would have a dictionary of all the parameters that are key valued after a,b share ...
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Detecting programming language from a snippet

...r with certain frequencies in a text it's likely that the language is Java etc. But I don't think you will get anything that is completely fool proof, as you could name for example a variable in C the same name as a keyword in Java, and the frequency analysis will be fooled. If you take it up a not...
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#1071 - Specified key was too long; max key length is 767 bytes

...(which is the most used encoding for newer databases, as it accepts emojis/etc). – Claudio Holanda Sep 8 '16 at 0:48 ...
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Could not find default endpoint element

...s are read from the main project in a solution, be that web, winforms, wpf etc. Say for example you have a class library project to access a database, the connectionString entry will need to be in the main project config rather than the class library config. – Ciaran Bruen ...
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What are the respective advantages/limitations of Amazon RDS vs. EC2 with MySQL? [closed]

...failover to offsite replicas, we use the RDS failover, otherwise promotion etc back to new master would become tricky. The offsite replicas mainly are for out-of-cloud backup DR as well as for read/write splitting for reporting environments (our application level is aware of them). HTH ...
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Missing XML comment for publicly visible type or member

...for most things, how they need to be worded (for properties, constructors, etc.), and GhostDoc puts those in -- even cooler: If you're in a child class, it can fill in the documentation with that from the base class as a template to work with, instead of copying it by hand -- it puts in the exceptio...
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Generating HTML email body in C#

...ssentially hold a template of the Email some where (on disk, in a database etc) and simply insert the key data (IE: Recipients name etc) into the template. This is far more flexible because it means you can alter the template as required without having to alter your code. In my experience your like...