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Is there a software-engineering methodology for functional programming? [closed]

Software Engineering as it is taught today is entirely focused on object-oriented programming and the 'natural' object-oriented view of the world. There is a detailed methodology that describes how to transform a domain model into a class model with several steps and a lot of (UML) artifacts like us...
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When would anyone use a union? Is it a remnant from the C-only days?

... Unions are usually used with the company of a discriminator: a variable indicating which of the fields of the union is valid. For example, let's say you want to create your own Variant type: struct my_variant_t { int type; union { char char_value; ...
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PHP how to get local IP of system

I need to get local IP of computer like 192.*.... Is this possible with PHP? 16 Answers ...
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How do I create a constant in Python?

Is there a way to declare a constant in Python? In Java we can create constant values in this manner: 41 Answers ...
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Javascript reduce on array of objects

...er and then trying to get property x of it to add to the next object which is undefined and maths involving undefined results in NaN. try returning an object contain an x property with the sum of the x properties of the parameters: var arr = [{x:1},{x:2},{x:4}]; arr.reduce(function (a, b) { re...
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Troubleshooting “Illegal mix of collations” error in mysql

... This is generally caused by comparing two strings of incompatible collation or by attempting to select data of different collation into a combined column. The clause COLLATE allows you to specify the collation used in the quer...
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When is a Java method name too long? [closed]

...some guys using really long names for a Method or Class (50 characters), this is usually under the premise that it improves readability, my opinion is that a long name like this is an indicator that we are trying to do a lot or too much in a method class if we need such a long name, however I wanted...
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Preferred Java way to ping an HTTP URL for availability

I need a monitor class that regularly checks whether a given HTTP URL is available. I can take care of the "regularly" part using the Spring TaskExecutor abstraction, so that's not the topic here. The question is: What is the preferred way to ping a URL in java? ...
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Is there a way to access an iteration-counter in Java's for-each loop?

Is there a way in Java's for-each loop 15 Answers 15 ...
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Set cursor position on contentEditable

...regains focus. It appears default functionality of a content editable div is to move the caret/cursor to the beginning of the text in the div each time you click on it, which is undesirable. ...