# All Questions

0answers
5 views

### Shortest path TLE

I'm trying to solve Spoj-s Shortest Path problem. I used Dijkstra with priority_queue and fast IO but it still TLEs. Can anyone give me any advice how to optimize it further? ...
0answers
4 views

### Average of positive and negative part of numpy matrix

I’ve got a matrix of data and I want to take the average of the positive and negative parts of the values. Is there a more Pythonic way of doing it? ...
0answers
4 views

### Add chat to an MVC database: Can I condense this code and is it appropriately placed?

I have these relevant tables in an MVC website: Server ServerPlayer ServerPlayerChat Servers have serverPlayers, ServerPlayers have ServerPlayerChats. Simple enough and expectable. I'm using ...
0answers
16 views

### Show PMD violation report in netbeans editor [on hold]

So, I have a PMD violation report, it was generated by sensiolabs insight, I want netbeans to read this report and color files that contains violation and when I open the file I want netbeans to put a ...
0answers
21 views

### Get all combinations of a list of numbers [on hold]

This is code I found online HERE, to use in a review HERE. However I noticed the code was very bulky and doesn't take advantage of IList, ICollection or IEnumeral, so I know it can certainly be ...
1answer
15 views

### JavaScript bookmarklet with a 24 hour cache

I'm working on a bookmarklet that will be cached for 24 hours only, after that time it will be reloaded from the original source. Is there something I could improve? ...
0answers
23 views

### How long does this take to learn? [on hold]

I wanted to teach myself a programming language. I wanted to start with learning HTML and Java. Is there any online courses that are free of charge, and give me a step by step directions visually? I'm ...
0answers
29 views

### Creating a Party Game to learn OOP

I've been developing sites using Dreamweaver for the last 15 years, I do a lot of code editing manually so I have quite a good knowledge of the PHP language. I'm diving into object orientated ...
2answers
29 views

### Optimization for histogram computation algorithm in C

Next is an algorithm to calculate the histogram for a given YUV420sp image. The YUV data is given by the hardware camera as an unsigned char*. The algorithms ...
3answers
71 views

### Sum of subset of 5 numbers equals 0

I have a task to print all zero subsets of 5 numbers, input from the console. I have succeeded in implementing a working code, but it seems it is quite complex (it is like inception) and if the count ...
1answer
19 views

### AutoComplete program using the n-gram model

For my Advanced Data Mining class (undergrad) we were to design a program that would predict the next word a user is likely to type via automatic text classification using the n-gram model. The ...
1answer
16 views

### jQuery plugin creation and declaration for usage with $(). or$

Simple idea: just have a plugin (more a basic function). That I can use with jQuery in different ways it offers, means: ...
1answer
13 views

### Registering multiple keypresses simultaneously, very slow

I'm working on a Pong game and right now I'm working on being able to register multiple KeyDown presses simulatenously. I used the Win32 native method ...
1answer
18 views

### Manage XML file with custom XmlFileHandler class

This post is a follow up question. The purpose of this class should became clear without any further explanation. Raise your hand. If not, then I will have to improve the naming/structure. I would ...
0answers
10 views

### Print left view of the tree

Left view of a Binary Tree is set of nodes visible when tree is visited from left side. Left view of following tree is 12, 10, 25. ...
0answers
4 views

### Make logparser faster

I'm learning go. I wrote a simple logparser for SLF4J in Python some time ago and tried to port it to go as an exercise. The algorithm is identical, but the go-solution isn't quite as fast (the Python ...
0answers
22 views

### moving average implementation

I've created MovingAverage class. But it is not optimized for performance at all. I care about performance a little bit because i'm using this class in trading (i colocate on exchange and so on and so ...
0answers
4 views

### A middleware with process exception never called [migrated]

I have this middelware which is suppose to catch 500/400 exceptions and deal with them. But it never gets called. I've put it in the beginning and end of the ...
0answers
13 views

### When to use service pattern? [on hold]

Im confused as to how to decide on where to place logic in a Service Pattern vs Class Object How do we determine when we need to separate logic into it's own Service Separated Section? Why not just ...
3answers
270 views

### Better way to create a string of random characters

I'm generating domains with random names but I'm pretty new to Python. I used the map function because it packages the results into a list which I can then join() ...
1answer
21 views

### Speed and ID concerns converting DOM object into JQuery objects

First of all, I am not using JQuery but Cheerio. I have never actually used JQuery in "real life" -- I started with Cheerio, which is a subset and doesn't actually work in a browser environment. ...
3answers
74 views

### Making a new column and setting default values equal to the COUNT of a certain condition in SQL? [on hold]

I have 2 tables. (table1, table2) Now, I would like to do something along the lines of: ...
1answer
14 views

### Extracting ids out of arguments of different types

I'm building a Ruby API client. My brief is to extract ids out of various inputs and fetch the relevant data. It's working just fine at the moment but I think it's a little clumsy. My specs (which ...
0answers
20 views

### Menu Bar Animation Plugin

I'm fairly new to JS/jQuery (a few months), and I think it's time to start getting involved in the community. So I wrote a little plugin. Nothing revolutionary. Really, the project is to write a ...
0answers
11 views

### Linq multiple Filtering [on hold]

Well, Hi guys. I have 3 Multiple drowpdownlist which means I can select multiple parameter each column in table such as car.Budget >= 20000 && car.Budget <= 34999 and also car.Budget >= ...
1answer
22 views

### Dynamically loading jQuery when it's not available or version isn't high enough

I'm writing a script for others to use on their websites. I'd like to use jQuery in this script. Because I don't have control over what frameworks people use on their sites, I need to make sure jQuery ...
1answer
38 views

### Load JSON file into model using Javascript / jQuery (deferred, asynchronous)

As a beginner I am always determined to improve myself. I've got written the following Code using jQuery that is working fine. However, I am sure that there are cleaner ways for achieving the same. ...
0answers
23 views

### getting rid of proper nouns in a nested list python [on hold]

I'm trying to right a program that takes in a nested list, and returns a new list that takes out proper nouns. Here is an example: ...
0answers
20 views

### Python lottery game [on hold]

This is one of my first projects done entirely on my own without any tutorial and I am sure it is a little sloppy. Right now, I cannot figure out why my payout is always output as the payout for a ...
0answers
21 views

### What is this file structure method called? [on hold]

I have been using this file structure for a while now and I'm not sure where I got the idea from (possibly PHPBB? Maybe Wordpress?) Basically, I create a page, like ...
1answer
41 views

### Increase performance of Boyer Moore

Here is my Boyer Moore code in Python: ...
1answer
37 views

### A simple web-app code - user registration. Is the layering ok?

So knowing the little pieces is something different and putting them together is something different. Here is the code where I try to follow good oop practices and 3 - layered structure. Any ...
2answers
214 views

### “Hangman” game follow-on

Last week I asked to review my "Guess a number" game in Java here I learned so much that I decided to try a little harder game and put into practice all the amazing feedback I received there. Would ...
0answers
15 views

### Controller structure for a browser game module with filters and pagination

To get an idea of what the controller code reflects, here is a screenshot: Basically, the idea is that you print out a list of football players which you can then filter by their name, price, field ...
1answer
40 views

### Determining the least-accurately known physical constants

So, I thought I'd do this using scipy.constants: ...
1answer
56 views

### Namespacing jQuery/jQueryUi into markup that I don't control

I have a project that I've been trying to get just right for the past three months and it's still not quite there yet. I'm injecting some jQuery and jQueryUi code into pages that I have no control ...
1answer
74 views

### Is my C++11 generic container a good design?

After refactors and refactors and the discovery of very common patterns on many of the classes of the software I wrote, I decided that it would be fine to have something like an arbitrary-keyed map, ...
1answer
29 views

### HTTPCache and MemoryCache cross dependency

After asking a question on StackOverflow about the two .NET caching systems taking dependencies on each other I gave implementing them a go. I posted them as my own answer there but before accepting ...
0answers
18 views

### PanelScrollable - a reusable class for rendering a changeable number of panels

This class (PanelScrollable) is part of my view package, in an MVP designed Java Swing system. I am not using any MVP ...
1answer
43 views

### Why is this code giving me a wrong answer? [on hold]

I have solved this problem in C, but I get wrong answer every time, could you maybe tell me what I did wrong? Also, don't laugh at my code, I started learning C 7 days ago :) ...
2answers
141 views

### Concise nested statements

I really like the ruby ? : syntax for if else statements. However, I'm not sure how to do the following with a nested ...
2answers
22 views

### Admin CSS sidebar template

Could I get some feedback on my simple start to an admin template: http://jsfiddle.net/spadez/GHKxW/3/ HTML ...
2answers
275 views

### Codility - Perm-Missing-Elem: 100% functional score, but only 60% performance

I can not figure out why I didn't get 100% success from the Codility's Perm-Missing-Element test even I solve with $O(n)$. I will appreciate any advice/answers. You can see the problem, my code, ...
0answers
20 views

### sql indexing and performance [migrated]

I am using mysql5.1, i have table which has about 15 lakh (1.5 million) records.This table has records for different entities i.e child records for all master entities. There are 8 columns in this ...
4answers
843 views

### What would be preferred aesthetically and performance wise?

Which one of these two would you prefer writing in your code? This: ...
2answers
39 views

### Inline PHP IP access log

For a website, I've got some inline PHP, posted below. It's supposed to log traffic to the website, and it does its job fine. But at the end of the day, I'm not even close to a PHP developer, and ...
2answers
37 views

### Adding time offsets to create future dates

How can I shorten this (working) code to create future dates in ruby for use as params in URLs? I'm doing: ...
0answers
20 views

### Filtering queries based on the current user state

I have a Symfony2 project. I have an Entity Asset which can have relations with Category. I store a ...
0answers
27 views

### Tuning a query for performance

I am running this query and it takes several minutes to complete, how can I tune it (unfortunately I don't have the privileges to run an SQL tuning advisor) : ...
0answers
17 views

### Bootstrap carousel, images only show up with embedded ruby. And as stacked elements rather than scrolling [on hold]

When I have my the following code: ...

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