Loops are a type of control flow structure, in which, a series of statements may be executed repeatedly until some condition is met.

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2
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1answer
27 views

Calculating top position of elements based on their heights

I have a data representing several elements (that could be rendered at some point as div), composed of y position (property top) and its height (property height). ...
0
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0answers
15 views

Lodash chain implementation

I am mainly trying to avoid the nested forEach statements and am trying to move towards a lazy evaluation type solution. jsFiddle ...
-1
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0answers
19 views

Access VBA loop freezes after 10 seconds [on hold]

I am assigning representatives at a call center to a list of call recipients (members). However, I am grouping the members by household. I am trying to assign reps using a loop through the member ...
-2
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0answers
29 views
4
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2answers
377 views

Non-recursive method for finding a ^ n

I am working on an interview question from Amazon Software. The particular question I am working on is "to write a program to find an." Here is my recursive solution to this problem (in Java): ...
6
votes
3answers
380 views

Nested loop to render tiles in a grid

This code works but I'm not really sure if I wrote it good enough. It seems a bit vague but I can't really assess it properly. I'm particularly concerned with the ...
4
votes
1answer
192 views

Optimizing critical loop for consuming a byte-buffer

I'm currently developing an Open Source project called sims3py using Python2.7. One overarching goal of the project is to ensure a Pure Python implementation of functions currently available only ...
3
votes
1answer
37 views

Perceptron algorithm

This is the Perceptron algorithm, I wrote this implementation with my friend. It gets the job done, but it's quite dirty, perhaps one of you stylish hackers might help me beautify this beast. This ...
8
votes
4answers
352 views

Calculating range of ArrayLists

I have written this method which calculates the range (max - min) of an ArrayList. I have two for loops each for a different ...
1
vote
1answer
41 views

DRYing out my Sass, looping through selectors

Need help with DRYing out my Sass... there is just so much repetition in here: ...
6
votes
1answer
67 views

Quicker way to go through 550 variables with very similar code

I'm hoping to figure out a faster way to write this before I resign myself to copying and pasting 500 times. I have code here that needs to do tons of vlookup matches. The only thing that changes ...
4
votes
3answers
100 views

Aggregate array values into ranges

In five minutes I made a pretty ugly looking function. Can you help before I have to commit the code into history? Requirements: I would like a function that takes an array of numbers, and ...
3
votes
1answer
33 views

Variable to byte decaying function

A function that prints out the values of each of the bytes of a variable, which value is given from stdin. Consists of size detector and a loop. ...
6
votes
2answers
123 views

Splitting three comma-delimited strings

I've been reading about loops this morning, to try to improve this snippet of code: ...
0
votes
1answer
40 views

Sort by a custom date field

I've got this code to work, but being really new to PHP, I don't know if this is proper. I've sorted a CPT loop by a custom date. I'm displaying items from most recent (or future date) to oldest if ...
3
votes
1answer
37 views

Iterate over large list of lists and replace its elements

I have a large list of lists, where each list contains words/characters as elements, and each list is of different length and may contain same words/characters more than once, as for example: ...
4
votes
1answer
90 views

Optimizing code to find maximum XOR in Java

This problem is from HackerRank (not a competition, just for practice) Basically what you do is take in two integers as a range and then finding the maximum XOR from a pair of integers in that ...
1
vote
2answers
65 views

Print all combinations

Question: ...
3
votes
1answer
33 views

Finding candidate with the most matching values

I haven't coded all winter, and it seems like everything I learned about efficiency from my data structures class leaked out my head. I was wondering if I can get some help in making my code less ...
6
votes
1answer
102 views

An algorithm that finds the number of “lined up columns”

I found this question in an old exam in computer science. I solved it in a good way, but I'm not convinced that my solution is the best solution. I believe that there's a better way to solve it. ...
2
votes
1answer
77 views

Producing a pyramid of capital letters

Now I'm reading C Premier Plus by Stephen Prata and there's an exercise 4 in chapter 6 which has no solution in the book, so I can't check if I did it properly. My code works like it should, but I ...
6
votes
1answer
140 views

Cash Register Challenge

Challenge: Design a cash register program Specifications: Your register currently has the following bills/coins within it: 'PENNY': .01, 'NICKEL': .05, 'DIME': .10, 'QUARTER': .25, ...
2
votes
1answer
46 views

Efficient Traversal and Manipulation of the DOM with Native JavaScript Using For/In Loop

With native JavaScript, I intend to traverse a collection of elements in the DOM that contain a link and an image (and possibly other elements). The image may or may not be inside the link—in ...
7
votes
2answers
122 views

Mastermind code taking hours to calculate

I'm trying to implement Knuth's Five-guess Mastermind algorithm in my own version of Mastermind, but when running step 6 it takes my code hours to actually run through everything to get the neccesary ...
4
votes
2answers
79 views

Java calculator for long calculations involving positive integers

I'm making a calculator that can solve calculations that are inputed in a very raw form. Say: "3*52+11+3/2" I'm using the console, at least for now. This will also take in consideration that ...
-4
votes
1answer
66 views

Is this a better loop? [closed]

My team has a lot of code written with fairly traditional for-loops: for(int i=0; i < Something.GetSize(); ++i) { /* do work */ } But recently, some devs ...
-2
votes
2answers
99 views

return inside a loop - is it a good style? [closed]

Is it a bad style to return inside a loop? I have the following method ...
8
votes
3answers
379 views

Project Euler #2 (Fibonacci Sequence)

Challenge: The Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be: 1, 2, 3, 5, 8, 13, 21, 34, 55, 89. Consider a ...
2
votes
2answers
61 views

WordPress: multiple loops

I have two loops on my page - each with their own category. It works, but I don't know if this is the best practice as I'm pretty new to this stuff. ...
5
votes
4answers
572 views

Project Euler #5 (LCM of 1-20)

Challenge: 2520 is the smallest number divisible by 1 to 10 without any remainder. What is the smallest positive number that is evenly divisible by 1-20? Solution: ...
1
vote
1answer
98 views

Are nested foreach loops to compare two multidimensional arrays efficient in PHP?

I've got the following PHP code, which is taking a search term, and checking if any of the search terms could be or could have a nickname. ...
2
votes
3answers
361 views

Program that multiplies numbers over and over

Would appreciate a review on this. The program does work as it is intended to. However I am unsure if there is a more elegant or better way to execute this process with less code. ...
2
votes
1answer
70 views

Javascript Performance Optimization

I am using the code below that loops around thousands of time, I need this to be as fast as possible, however I am not an expert in Javascript and all I know is that this code is faster than doing it ...
5
votes
1answer
76 views

Basic 30 TPS server loop

I've created a console server which is supposed to update 30 times per second, I'd like you to review it and also I'm curious about the accuracy of the server's loop. ...
2
votes
1answer
77 views

Very slow graph walking

My code is very very slow. Could you give me hints on how I can make it much faster? ...
3
votes
3answers
98 views

LINQ foreach - error handling and general improvement

I'm looking for two kinds of feedback: Is there a better way of doing what I'm attempting to do? Any obvious weaknesses that could potentially cause problems? The code in question (I've broken it ...
0
votes
1answer
38 views

Convert Array CSV to Object using Header

Takes the first array in the array and uses that to set the properties of an array-object. ...
1
vote
3answers
80 views

Looping to update article codes on one server based on queries on another server

I've read somewhere on Stack Overflow that doing queries in a loop is very inefficient. It will hammer your SQL server and make your script very slow. Sample code: ...
6
votes
2answers
60 views

Modular arithmetic brute-force congruence finder

My full code is running too slow. I do profile.run to my project and found out this function consumes a lot of time. The main problem is just to return an array containing all \$x\$ satisfying both ...
5
votes
1answer
183 views

Morse Code Converter

I wanted an uncomplicated project to get myself started again. Although this works I was wondering if it's the best approach, especially when it comes to validation parts? It seems to me that I'm ...
2
votes
0answers
40 views

Speeding up loop-rich Matlab function to calculate temperature distribution

I would like to speed up this function as much as possible in Matlab. This is part of a bigger simulation project, and as it is one of the most called functions within the simulation, this is crucial. ...
6
votes
2answers
194 views

Longest string in a vector — two implementations

I was given this piece of code, which calculates the length of the longest string in a vector of ...
3
votes
2answers
66 views

Improving Matlab function within big simulation

I have a very big Matlab simulation project in my hands, which I wanted to optimize, since I'm running it many times to tune parameters and the like. Using Matlab's ...
5
votes
2answers
232 views

Improving a method to guarantee uniqueness

I have just written something to guarantee a unique URL when creating pages within an old legacy system (sounds odd doing this retrospectively but we've just changed how the routing works). I don't ...
3
votes
1answer
61 views

Dynamically adding and removing HTML classes

I am trying to add an active class to my subnavigation using the waypoints jQuery. I am trying to avoid writing multiple functions to adhere to the DRY idea. The waypoints toggle the function based on ...
2
votes
3answers
145 views

Loop termination check for multiple types of host reachability tests

I have 2 booleans: host.isReachableOnLan, and host.isReachableOnWan I have a listener ...
1
vote
3answers
57 views

AudioMetaTagger: recursively read files and gather metadata

So the idea is to read metadata recursively in a chosen directory, load their metadata and display it into a table. Here is the simplified example of what I am doing. ...
4
votes
2answers
69 views

Substituting Hebrew letter variants

I have two functions that replace letters. In one function, I'm replacing a regular Hebrew letter with its final form, and the other function undoes this operation. (Consider it like ...
3
votes
1answer
31 views

Merging predicted values into measured values

I created the following function below to merge the real values with the predicted values (when real are absent) in a new column in data.frame. The function ...
4
votes
2answers
297 views

Scaling jsTree performance

I am using jsTree v1.0 (latest v3.0, they withdraw support from older versions) to display the hierarchy in my application. It was good until until I started showing groups/user up to 200 levels, but ...