Software Engineering Stack Exchange
Software Engineering Stack Exchange

Questions tagged [evaluation]

Evaluation of expressions in a program.

This tag was used also for questions about the rating of algorithms, architectures or people in the past, but that is not the intended usage any more. Use it for questions related to expression evaluation in a parser, compiler or interpreter, or for expression evaluation in a mathematical sense.

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How Can I Know Whether I Am a Good Programmer?

Like most people, I think of myself as being a bit above average in my field. I get paid well, I've gotten promotions, and I've never had a real problem getting good references or getting a job. But I've been around enough to notice that many of…
Kristopher Johnson
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Why are eval-like features considered evil, in contrast to other possibly harmful features?

Most modern languages (which are somehow interpreted) have some kind of eval function. Such a function executes arbitrary language code, most of the time passed as the main argument as a string (different languages may add more features to the eval…
Luis Masuelli
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How do managers know if a person is a good or a bad programmer?

In most companies that do programming teams and divisions consist of programmers who design and write code and managers who... well, do the management stuff. Aside from just not writing code, managers usually do not even look at the code the team…
P Shved
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11 answers

How is fundamental mathematics efficiently evaluated by programming languages?

As I get more and more involved with the theory behind programming, I find myself fascinated and dumbfounded by seemingly simple things.. I realize that my understanding of the majority of fundamental processes is justified through circular logic Q:…
Korvin Szanto
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9
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2 answers

What is a good method to do lightweight architecture evaluation?

I'm familiar with architecture evaluation methods such as the technical Architecture Tradeoff Analysis Method (ATAM) and more business-oriented Cost Benefit Analysis Method (CBAM). However, these methods are fairly large scale: they prescribe…
Deckard
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Is there a general method to evaluate the optimality of an optimization algorithm?

is there a general method to evaluate the optimality of an optimization algorithm, for example an algorithm solving an otherwise NP-hard or NP-complete problem? The only method I came up so far is comparing the results of the algorithm against…
scravy
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What's the best way to do a Proof of Concept shootout?

In preparation for a new release of software our company maintains, I've been working on what I believe to be a really good approach to solving our scalability issues. I have every intention of putting together a proof of concept to validate the…
Berin Loritsch
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How to convert the following node evaluation procedure to a non recursive solution?

I have the following recursive method. It evaluates a node (that represent a logical expression), using deep first search traversal : EvaluateNode(Node node) { bool result; switch(node.Type) { case AND_OPERATOR: …
tigrou
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Evaluation order of expressions in Clojure?

I'm currently learning Clojure (my first functional programming language), and I'm curious as to its order of evaluation. Here is an example: (take 10 (cycle [1 2 3])) If the cycle expression was not wrapped in a take expression, this would cause a…
joecritch
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What's the effect of this assignment (whatever the language)?

I think my book (Programming Languages: Principles and Paradigms) is wrong. a is a vector, assume a C-like language: b = 0; a[f(3)] = a[f(3)] + 1; int f(int n) { if(b == 0) { b = 1; return 1; } else return 2; } It has…
user34295
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Why do negative numbers evaluate to true in PHP?

function haha($lol) { if($lol) { echo "plus"; } else { echo "minus"; } } haha(-1) echoes plus. Is it because PHP uses twos complement? Google search wasn't really helpful.
Vegan Sv
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How to accomplish a task of evaluating editable variables and formulas, using PHP?

Task as defined: User needs to be able to define their own variables and formulas to operate on those variables, to get output based on their inputs. Since formulas and variables and their inputs change often, user needs to have control.…
Dennis
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Best practices for dynamically-evaluated dates in system?

Let me introduce you into a minimalistic and made-up case with real-case chronological order, updates and problems. User with ID only I had a system, and it had User entity with ID column only. So, there was a class User and SQL table…
Yeldar Kurmangaliyev
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Concerns on lazy evaluation and infinite data structures

I am trying to learn how lazy evaluation works because I'm going to implement try to implement it in the programming language I'm developing (I know it isn't the best thing to do (to try to implement something you don't even understand) but it's…
user6245072
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Efficient way of evaluating an array of strings then add to an array in Ruby

I am looking for an efficient way of evaluating an array of strings against a series of rules and then adding them to another array. For example I have an array of strings: something a 1234 #gohere I want to iterate through all the items in the…
Matt S
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