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How can you do anything useful without mutable state?

...y to create and manipulate lists. Nearly all data structures can be easily converted into their functional equivalents. I wrote a page here which provides immutable implementations of stacks, queues, leftist heaps, red-black trees, lazy lists. Not a single snippet of code contains any mutable state....
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Difference between 'struct' and 'typedef struct' in C++?

... class foo with a default constructor, and a conversion operator that converts a foo object to char const *. The expression p = foo(); in main should construct a foo object and apply the conversion operator. The subsequent output statement cout << p << '\n'; shou...
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How can I post an array of string to ASP.NET MVC Controller without a form?

...ll be to use jQuery.param method with traditional parameter set to true to convert JSON object to string: $.post("/your/url", $.param(yourJsonObject,true)); share | improve this answer | ...
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Splitting templated C++ classes into .hpp/.cpp files--is it possible?

...argument of the class method is the 'this' operator. All class methods are converted into individual methods with name mangling and the first parameter as the object which it operates on. The 'this' argument is which actually tells about size of the object which incase of template class is unavailab...
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urlencode vs rawurlencode?

...oes things the old school way, where + meant "space." If you're trying to convert between the old format and new formats, be sure that your code doesn't goof up and turn something that's a decoded + sign into a space by accidentally double-encoding, or similar "oops" scenarios around this space/20%...
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Gets byte array from a ByteBuffer in java

...u'll need to call something (not in your own code) that takes a byte[], so converting isn't optional. – James Moore Mar 16 '11 at 14:55 add a comment  |  ...
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Merging two images in C#/.NET

... @Anant Dabhi Okay I am sorry to bring back a old question, but I converted this to VB.NET.. Will this overlay other photos if I place them over each other if the unused pixels / blank pixels on the next image is transparent? If not, is there any way to do it? – user54...
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Function that creates a timestamp in c#

....Ticks - DateTime.Parse("01/01/1970 00:00:00").Ticks; ticks /= 10000000; //Convert windows ticks to seconds timestamp = ticks.ToString(); Adjusting the denominator allows you to choose your level of precision share ...
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Insert new item in array on any position in PHP

...scalar), but for an array, an object, or null, it will be ignored (array), convert to an array (object), or become an empty array (null) - see php.net/manual/en/… – Lukas Nov 27 '14 at 7:49 ...
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How can I tell gcc not to inline a function?

...on't want to use Hedley (it's a single public domain / CC0 header) you can convert the version checking macros without too much effort, but more than I'm willing to put in ☺. share | improve this ...