Since one month, I'm learning Erlang and I like it so much. Today, I wrote an algorithm to solve a problem. Some time ago, I used two nested for loops in C# to solve it but, solving the same problem in Erlang, I asked myself if there is a better way to write something similar to the two nested fo...

The purpose of this is to prevent a re-entrant function call in a single thread, e.g. prevent the situation where func() calls bar() which calls func(). This is currently not used in any multithreaded code (and does not plan to be). struct TranLock { static int count; bool failed; TranL...

I am new to programming, and am using Python to take wind data and simulate future wind profiles. The code as written takes a while to execute and I was hoping someone could suggest ways to make my code more efficient... from __future__ import division import pandas as pd import numpy as np impo...

This code builds template .cpp, .c, .h and .java files based on a file name and #include, import lines provided at the command line. The file opens after creation. I am looking for a review of this code and seeing if there is anything that can be done more efficient. /* .cpp Example: * tem...

It's been a while since I've been properly grilled about my code. I had this Idea which should probably never make it into production code but still I couldn't find anything seriously wrong with it at a glance... I hope this code looks readable in the message. All your comments are welcome. #...

So I have recently tried to load an image and save it, but remove all of a certain color. I thought that doing im.set_colorkey(im.get_at((0, 0))) would solve the problem as when you draw the image to the screen that is what shows up, everything, but the color in the top left corner, but it is not...

Let's say you have two lists of vectors: v1s = [a, b, c] v2s = [d, e, f] I am interested in generating the following result: angles = [angleBetween(a, d), angleBetween(b, d), angleBetween(c, f)] Here is my function to do this (it uses vector dot products in order to calculate the angles): i...

I have a code that needs to exit gracefully. To simplify things, I am presenting here an example based on the answer given here: python-catch-ctrl-c-command-prompt-really-want-to-quit-y-n-resume-executi Since, I need to handle a few signals I thought of putting this logic in a function: def se...

Language: Java7 I have two methods that are perfect duplicates. There is of course a code smell. The only thing that changes is the condition to increment a variable. private int pathsDFS(int currentDepth, int maxDepth, Airports s, Airports e, Predicate predicate) { int counter = 0; if ...

I am trying to write a jquery Plugin from a piece of JS code I had written. What this plugin does is it converts a select box into a map of australia where I can select individual states. It 's working perfectly well. However, I'd like to know how I can write it with OOP principles like SOLID et...

I came across a question. I think this should be moved to meta but I was unable to flag it.

I was tasked with creating a script to be able to rename some files and then move them into different folders based on a code in the filename. Here is my code: import os import shutil path = (r"C:\user\reports") filelist = [ f for f in os.listdir(path) if f.endswith(".xml") ] for f in filelis...

I've wrote some code to create a grid of data, however depending on the size of the grid being drawn IE8 shows a warning message about a long running script. I've read that multiple appends are a slow way of drawing a table so i'm trying to concatenate a string and append it once at the end. I'v...

Code: https://pablo_esteban@bitbucket.org/pablo_esteban/portsandadapters The script in the repository creates a simple app with a GUI containing a input field and a button to select a folder. On startup a default value is set to the input field. If the user types a value or selects a folder, the...

I've writen a piece of code which combines given letters in groups of n letters, and writes all the combinations in a text file. This is my first attempt and I wonder if there is an optimal way to do this. Code: letter_input = raw_input(' Type in letters: ') number_input = int(raw_input(' Lette...

Following is the string: (I'm getting that from config file so its not constant): string sequence = "Concat({ACCOUNT_NUM},substring(FormatDate(yyyyMMddHHmmss,DateNow()) ,2,12), GetLast(GetNextSequence(seq_relation),1))"; It contains multiple custom Methods, I want them somewhere in the same or...

I've had a bit of help designing the header for a website here: http://jsfiddle.net/gxLt5/21/ It looks and works exactly how I had hoped. That said, I do feel like the code is a bit grotty, and I'm sure there is a more elegant solution to achiving the same result. Could anyone please give me s...

I have this fiddle http://jsfiddle.net/L7zuT/ where I'm working on a small part of a big event program. The functionality is ok, the part of the problem would be the large javascript lines needed with the full event program. Is there any way to implement it with DRY (don't repeat yourself) or a b...

Rationale: I often have the requirement to own object instances, while preserving polymorphic behavior (i.e. own the object and hold it by pointer, or reference). This is usually expressed as a pointer (most of the times, std::unique_ptr), but when the pointer is stored in a std:: container, cli...

This question from haker rank please guide me is there any optimisation or improved can be done in the code a=0 items=[] while True: try: a=int(raw_input('')) except: print 'please enter correct A Integer value' continue for...

I recently built a way to automagically dismiss firstResponders for an app I'm building. Is there a more efficient way to approach this? - (void)resignFieldStackRespondersExcept:(id)fieldException { for (id field in self.fieldStack) { if ([field isKindOfClass:[fieldException class]] ...

What I would like to do is : return InsertOrUpdate<ADDRESS>(address, ctx, knowledgeBase, () => { var result = ctx.ADDRESS.Where(o => o.JURIDICAL_ADDRESS == "Y") .OrderByDescending(o => o.ID) .FirstOrDefault(); return (result != null...

I am a novice PHP programmer. I have a search function on my website. In addition, elsewhere I have a place where users can submit categories for their posts. I want the categories to have an uppercase first letter and the rest lower case. I know there far more complex ways to secure a user input...

I have a @function in Sass to calculate all my possible grid extensions or widths: @function calculate-function($function, $size, $first-child: false, $responsive: false) { $each-column: calculate-one-column() * $size; $each-gutter: calculate-each-gutter() * ($size - 1); @if ($function == ...