0
votes
0answers
21 views

What job queue system library is best for a SaaS? [on hold]

Customers subscribe and are allocated X number of jobs that can be run in a month. Say, a free plan lets user run 10 jobs a month. A small plan lets user run 100 jobs a month. These jobs are ...
-5
votes
0answers
34 views

Sorting a Difference-Array, URGENT help [on hold]

I have the following code. What it does is: There is an externally supplied input file which contains certain numbers. The numbers are first all sorted, and then all possible differences ( so always ...
0
votes
1answer
17 views

Load partial data and data sorting

I have one database table that I query on load and display items in a list sorted out by dates (latest first). However, as the table may become quite big, I only fetch the n first rows. To see more ...
0
votes
0answers
42 views

Javascript and SQL Lite (multi browser offline SQL/database query)

I'm in the elections division of my county and am trying to simplify a voter lookup method for our poll judges during election time. Currently we are using a clunky heavy application that the judges ...
0
votes
0answers
15 views

What is a good strategy for decoupling a web service that uses ACORD XML messages?

I work for an insurance company and we're getting ready to use a new vendor tool for creating insurance illustrations. The tool has a web service that accepts an ACORD XML message. We want to put a ...
0
votes
0answers
16 views

Group Rotation builder [on hold]

I have 54 people in a class. Throughout the year I want to put them into groups of five so that they are with different people each time. I want to do this considering two criteria (gender and work ...
-1
votes
0answers
15 views

Book/Resource advise for OCA Java SE 7 1Z0-803/804 certifications [on hold]

I am trying to attempt OCA JP certification soon. I have made some research online for resources to best prepare for the exam. Popular suggestions seem to be Java SE7 Essentials by Michael Ernest and ...
0
votes
1answer
61 views

Decrease probability of picking a list's item based on its index

I have a list of sounds that are to be played when the user presses a button. For now I just generate a random number within the range of the list and just pick the sound with that index. (I also ...
0
votes
0answers
64 views

What is the best source/online tool/compiler to start kids on programming? [on hold]

I want to introduce some 13 yr old to programming ... and obviously I don't want him to start with C programming of Deitel&Deitel and TurboC!.. What is the best source/online ...
0
votes
1answer
24 views

Traverse a matrix using a linear index to get an evenly distributed values sample

I'm looking for an algorithm idea on how to traverse a matrix using a linear index while avoiding row/column based traversals to get a more diverse distribution of values. To understand this better, ...
0
votes
2answers
94 views

Is there a better way to load objects?

I have always kept the code to load an object within the object itself. That way no matter what method is creating the object, it always has access to the method to load the object. However this does ...
-3
votes
0answers
30 views

Where can I learn about linked lists and binary trees? [on hold]

I don't understand linked lists and binary trees. Please post some resources where I can understand them.
0
votes
0answers
38 views

How to write an Excel workbook to a MemoryStream in .NET without first saving it to the file system? [migrated]

All options within the Microsoft.Office.Interop.Excel.WorkBook save options take a filename. And not sure how to use Microsoft.Office.Tools.Excel.WorkBook. I have also found another query here which ...
0
votes
1answer
35 views

Multiple intranet/internet systems partially working on same data - database strategy

We are starting rewritting our apps (Internet portal, millions of unique users and few CRM/ERP systems, few hundred users) and we have a huge decision to make now. We are going to write them mostly ...
0
votes
0answers
26 views

What user interaction software design leads to maintainable code? [on hold]

Currently I am investigating design patterns and/or software architectures for handling complex GUI interaction state. Our application has several modes in which it can run, and every mode has a ...
0
votes
0answers
16 views

Rendering STL file to STL viewer which is in new page

I've uploaded a STL file as an additional file for a product. And it gets downloaded in frontend as shown in screen shot. When I click on that link for STL Downloader, then that STL file will be ...
0
votes
0answers
19 views

Dynamic forms in iOS

I'm not quite sure if I'm in the right community...I'm new to iOS development and come from .NET I want to write a app which receive a xml over http and creates a dynamic form from this xml. In the ...
0
votes
2answers
79 views

In Asp.net, how browser knows a textbox is registered with server side TextChanged event?

When I evaluate asp.net control events, I am not able to identify how the browser is aware of asp.net textbox is subscribed to serverside textchanged event or not. When I look the server generated ...
-1
votes
0answers
79 views

How to prepare a non-programmer for product manager position? [on hold]

My friend is hired by a developers team of 10-15 members for position of product manager for mobile (iOS/Android) applications. She has absolutely no programming knowledge and can't write a simple ...
1
vote
1answer
89 views

Does the choice of OS play a major role in software development? [on hold]

I am a Java developer. Most of the companies I applied to asked for experience on Java with Linux and none so far with Windows. I do not understand the reason for this. Does choosing Linux offer any ...
-1
votes
0answers
7 views

Designing Selection Builder for Dynamic Parameters [on hold]

Please give some Basic Idea how to design multi Selection builder or GUI, let say, I have following Criteria parameters with me like Age,Designation,Salary,Interest,.......so on if i want to ...
1
vote
0answers
21 views

How do anti malware softwares monitor process behavior? [on hold]

On Unix systems (let's say Linux or OS X), which methods are used to monitor process behavior ? For example, let's say there is a process running on my system that periodically watches certain ...
0
votes
0answers
39 views

Interactive session with a command line program using Java? [on hold]

I plan to write a website frontend for a free computer algebra system (Reduce, http://reduce-algebra.com/). On the webserver I have a Java virtual machine running, and Reduce is also installed. I can ...
2
votes
2answers
279 views

Why not apply Interface Segregation Principle to “extreme”

Providing that clients would typically consume just one method, though methods would be conceptually related, why not always apply the Interface Segregation Principle to the extreme and have [many] ...
0
votes
0answers
75 views

Why is Javascript the only language for front-end web development? [on hold]

Say you want to write a desktop application. You can choose from any of the top 20 languages on the TIOBE index and find a toolchain for that language for your platform (there are a few exceptions, ...
0
votes
3answers
62 views

Implementing a priority queue with a circular array

[If this fits more to stackoverflow then transfer it there please.] Hi, I'm trying to implement a priority queue in C. The easiest way I found to do it is with a circular array (rather than using a ...
0
votes
0answers
28 views

Is there anything in groovy like “gem” in ruby? [on hold]

"gem"s are really awesome in ruby, I wonder if there are similar things in groovy?
-3
votes
0answers
41 views

Help in Simple Python Program [on hold]

I am writing a simple Python password validation program. A website requires the users to input username and password to register. Write a program to check the validity of password input by ...
0
votes
1answer
23 views

handling online payment for items with one quantity - design issue

I would like to implement a robust way to handle ecommerce payment for items with limited quantity, like for example exclusive paintings. Payment would ideally be accepted via PayPal and credit ...
0
votes
0answers
64 views

How to get “wired in”? (reference from the The Social Network) [on hold]

Just finished watching The Social Network again, the movie about Mark Zuckerberg. One thing that really intrigued me, partly because I can't do anything like it, is how the programmers got "wired in", ...
32
votes
8answers
3k views

Programming for future use of interfaces

I have a colleague sitting next to me who designed an interface like this: public interface IEventGetter { public List<FooType> getFooList(String fooName, Date start, Date end) ...
4
votes
1answer
111 views

How can I test a search engine for an uncommon human language?

We are writing a search engine from scratch in a quite uncommon language, Aramaic, mostly for learning purposes but also because few resources are available in given language. The engine is/will be ...
-1
votes
0answers
67 views

Sizeof Structure in C [migrated]

To find the size of a structure in C struct student { char name; int age; float weight; }; main () { int i,j,k,l; struct student s1; i=sizeof(s1.name); ...
-6
votes
0answers
12 views

failed to load sources when it runs.i need to display the whole viewer page on browser [on hold]

Viewer <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <link rel="stylesheet" type="text/css" ...
0
votes
1answer
126 views

Why does this method return 2 values if I only ask for one and there is no sort of conditional statement anywhere?

I'm writing this very simple program from this one PDF called Think AP Java, and I can't seem to wrap my head around this: When I write public static double method_1(double x) { double ...
-3
votes
0answers
50 views

i got stuck in combination buttons .i have a problem and i'm new in this world. Please Help me. [on hold]

I must to do an computer with 2 textBox and 5 buttons ( +, - ,* , / and a button calculate). when one button of the 4(+ - * /) will be operated will remain active and will be the calculation of the 2 ...
0
votes
1answer
55 views

Decomposing a system in to sub systems, modules and components

This question is about how should a large system be decomposed to sub systems, modules , components etc. For example lets say in a Payroll solution there may be core areas like Attendance, Salary ...
-1
votes
2answers
90 views

Assigning strings to pointer in C Language

I am a new learner of C language, my question is about pointers. As far i learned and searched pointers can only store addresses of other variables, but cannot store the actual values(like integers or ...
-3
votes
0answers
26 views

Recommendation Algorithm Engine [on hold]

I would like to understand how something like Amazon's "recommendation" engine works? I have a need to do something similar. Any idea on places to start learning about this?
-2
votes
0answers
21 views

Opinions wanted: Render Engine Architecture [on hold]

Currently I'm working on my own game engine for Mobile Platforms and wanted to ask you for your opinions. PS: Please do not tell me that I shouldn't try to write an engine!!! Well first of all about ...
-1
votes
1answer
70 views

HDD Failure Paranoia [on hold]

HDD Failure Paranoia I tend to make small programs for myself. Whenever I make an application I use a database application like MS Access or MySQL. I can CRUD my data as I want. No problem in ...
2
votes
1answer
46 views

Multivariable decisions

I am running into a situation where my program can have different outcomes depending on the state of some variables. 4 variables are involved and they can all have different ( 3 to 4 different ...
1
vote
1answer
92 views

How Jetbrain Phpstorm IDE is working without installed java?

As far as I know Jetbrains PHPStorm is programmed in Java but while I don't have Java installed in my Windows 7 PC, PHPstorm is installed and working without any problem. How It's done?
0
votes
0answers
80 views

What techniques should I use when implementing infinite scrolling on a website?

I am currently working on a website which implements infinite scrolling on it's search page (the results themselves coming from Elastic search) and, unsurprisingly, the more you scroll the slower ...
-2
votes
0answers
33 views

What is the best way of using Java libraries from Python? [on hold]

There are plenty of math and scientific libraries written in Java. I prefer Python for programming though. I have tried Jython but it gets very laborious and convoluted at the moment of distributing ...
1
vote
3answers
82 views

Can Excel be a strong development platform? [on hold]

We are a group of enthusiast engineers who are developing a series of application using Excel as our front end. We are using VBA but plan to start doing in VB.net. Some people in IT have questioned ...
-3
votes
0answers
20 views

LDAP for employee asistance control [on hold]

I was thinking a way to control the works hours of a group of employees using something like ldap or any API for login in linux which set in a database, the time of login and if the computer goes to ...
4
votes
4answers
344 views

Why can't C arrays have 0 length?

The C11 standard says the arrays, both sized and variable length "shall have a value greater than zero." What is the justification for not allowing a length of 0? Especially for variable length ...
1
vote
1answer
69 views

Linking to MIT-Licensed dll

I'm currently working on some closed-source proprietary software that makes use of a library (SharpAVI) distributed with the MIT License. The SharpAVI source isn't being used directly anywhere in my ...
4
votes
3answers
125 views

How do I fix an “emergent” bug?

I'm writing a PDE solver, and I have a bug that only shows up in very large test cases. That is, with small grids the program gives correct answers, but there's a large amount of unaccounted-for error ...

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