-2
votes
1answer
7 views

which language will help me do this task [on hold]

i am looking for a language TO COMPARE ARRIVAL AND DEPARTURE TIME FROM THIS WEBPAGE the output of my program should give me time difference between the arrival and departure of trains. which is ...
1
vote
3answers
230 views

Is machine language always binary?

I know absolutely nothing in low-level stuff, so this will be a very newbie question. Please excuse my ignorance. Is machine language - the series of numbers to that tell the physical computer ...
1
vote
1answer
11 views

What goes within the Architecture Overview of a Design Specification?

I have designed an management system for a medical practice and I am writing the design specification and I am kind of stumped by what to write for a section. It asks for me to write about the ...
0
votes
0answers
7 views

How to protect and reduce delphi ex5 executable files size?

I'm developing a Delphi windows service and this is my first Delphi project i ever had, it works very well it has more than 20 methods and uses quit large number of libraries. I'm a php developer. ...
0
votes
0answers
7 views

CUDA Loop Question - Worthy of Unwinding?

It's a known fact that branching is bad for CUDA. The question I have is a little more specific. I have a (static) loop. Static here means that it follows the exact same path every time, and executes ...
0
votes
0answers
7 views

ListView scrolling issue in JavaFX2

I'm developing a application which has a ListView which contains items which needs complex cell layouts. The cells are in variable heights and some of the cells tends to be larger than the view port ...
0
votes
1answer
38 views

Splitting and hiding headers in a static library

I am writing a static library for C/C++ (personal project). As my headers became rather large, I thought that splitting my headers would be a good idea. Right now a header looks like this: ...
-2
votes
0answers
10 views

Get changed file names from QFileSystemWatcher directoryChanged event [on hold]

How can i get changed file names or paths from QFileSystemWatcher directorychanged Signal
0
votes
1answer
40 views

Java Singleton fields implementation

I have singleton in Java and I have realized, that I could make its fields static and it would work same way as regular instance fields. Would there be a performance / optimization difference? If ...
0
votes
3answers
129 views

What is “using namespace” pollution?

I was looking at the google coding guide [here] and they do not recommend that one use the using namespace ornamespace:function` - if I did not misinterpret it. Does this apply to std as well? ...
0
votes
0answers
23 views

LEGAL - Using screennames in copyright notices [on hold]

I would prefer to keep my real name private, so I use the name john01dav on the internet. I need to put a copyright notice on a fourm software I am making, I am wondering if I can use the name ...
0
votes
1answer
24 views

Multi-Branch Retail System,how to control items quantity for various branches?

Currently I am developing Multi-Branch Retail software. All branches have the same set of items. However, each one has its own stock quantity. I will explain my problem in example: Lets say i have 2 ...
1
vote
2answers
156 views

Frontend vs Backend data handling

Firstly I would like an answer from an experienced person (not a one man band), someone whom has worked in a medium/large team and had to battle with this burning question before. The problem: I am ...
7
votes
9answers
637 views

Compiler Warnings

Many compilers have warning messages to warn the programmers about potential runtime, logic and performance errors, most times, you quickly fix them, but what about unfixable warnings? How do you ...
0
votes
1answer
26 views

what are the things to take in consideration when designing a database that likely will be distributed after some time?

We are small start-up now, we don't have a DBA. if our project succeed, it will have a lot of data that will likely need to be distributed over several machines. So we want to make that step easier, ...
0
votes
1answer
43 views

Estimed number of tries

Problem: The Oscar Committee wants to decide which person should get the best actor award among the given N actors.For that they decided to use a random function random_bit() which returns either 0 ...
0
votes
0answers
10 views

Sempahores and Mutex Lock [migrated]

two scenarios, what is the difference. I cannot understand which to use. It seems that they basically do the same thing. pthread_lock(&mutex) critical section pthread_unlock(&mutex) vs ...
0
votes
0answers
33 views

Designing a backup system?

I'm creating a program that allows you to backup/restore data on an iPhone/iPod Touch/etc. without the need to boot it up. The problem is that I need an effective and efficient way to store these ...
10
votes
8answers
12k views

Relationship between user story, feature, and epic?

As someone whose still new to agile, I'm not sure I completely understand the relationship or difference between a user story, feature, and epic. According to this question, a feature is a collection ...
1
vote
3answers
2k views

How does the new google maps make buildings and cityscapes 3D?

Anyone who's seen the new Google maps has no doubt taken note of the incredible amount of three-dimensional detail in select American cities such as Boston, New York, Chicago, and San Francisco. ...
16
votes
5answers
3k views

How would another popular language avoid having to use the factory pattern while managing similar complexity as in Java/Java EE?

Factory pattern (or at least the use of FactoryFactory..) is the butt of many jokes, like here. Apart from having verbose and "creative" names like ...
-3
votes
0answers
34 views

Erlang vs OCaml vs Haskell [on hold]

I want to start learning a new language, and I want it to be a functional language. I know some basic stuff and syntax of ML and F#. I already checked the internet for this answer, and there are a lot ...
9
votes
5answers
1k views

Do compiler-writers actually need to 'understand' machine code?

Might be kind of an odd question. A guy writing a C++ compiler (or whatever non-VM language): Does he need to be able to read/write raw machine language? How does that work? EDIT: I am specifically ...
0
votes
0answers
5 views

Python card printing problem [migrated]

I wrote a program in Python3.3, that asks you how many cards you would like, and prints out these cards randomly from a deck. Also, you can't get the same card twice. So I set the variable y to the ...
0
votes
1answer
67 views

What is “condition testing” (as defined by the ISTQB Syllabus) actually good for?

I am currently checking through the syllabus for the ISTQB "Technical Test Analyst" certification. This syllabus (henceforth called "TTA syllabus") contains a chapter dedicated to "condition testing" ...
-2
votes
0answers
19 views

Standard DES encryption lib or package for C [on hold]

Is there a DES encryption lib or package for C that is similar to the Java DES package? thanks, John
-1
votes
0answers
13 views

News and Image Scraping App [on hold]

I'm wanting to create an app which scrapes Google and some other news sites for articles, images and videos. The user enters a keyword then the app scrapes news and media for that keyword and delivers ...
113
votes
10answers
28k views

How has an increase in the complexity of systems affected successive generations of programmers?

As a "new" programmer (I first wrote a line of code in 2009), I've noticed it's relatively easy to create a program that exhibits quite complex elements today with things like .NET framework for ...
4
votes
7answers
657 views

Would an “as if” block be a reasonable language feature?

Consider the following "if cast": class A { public void f1() { ... } } class B : A { public void f2() { ... } } A a = foo(); // might return A or B if ( a is B ) { // It's B, go for it ...
0
votes
0answers
14 views

Creating New Wrapper Objects and Extension Classes and Keeping it Organized

Here's my situation: I'm programming an embedded device with a very simple, but customizable LED array display. It's 10 RGB LEDs linearly setup. The LEDs will be used to display many different ...
-2
votes
0answers
20 views

Program which will encode the text with set of numbers and decode the same text using Maps in JAVA [on hold]

I want to write a simple program which will encode a text with set of random generated numbers and then it will decoded. I want to use Maps for it but I don't have any idea how start with. Can you ...
3
votes
3answers
641 views

Are there any standards for preparing a user manual of electronic device? [on hold]

Are there any standards for preparing a user manual of electronic device? I am trying to prepare a manual for a device. However, I could not find any format. If I find, I will take this as guide for ...
0
votes
1answer
141 views

How can I deal with a slow API in PHP?

I'm writing a public web app to get stock data from a magento store. I've accessed the data, but it turns out that i have to query each product individually for stock data. With thousands of items ...
0
votes
1answer
22 views

What happens to equal elements when inserting into a binary search tree?

Most BST examples show a sample of a BST with unique values; mainly to demonstrate the order of values. e.g. values in the left subtree are smaller than the root, and values in the right subtree are ...
0
votes
3answers
59 views

Relative encapsulation design

Let's say I am doing a 2D application with the following design: There is the Level object that manages the world, and there are world objects which are entities inside the Level object. A world ...
-1
votes
0answers
14 views

Website creation, hosting, promotion [on hold]

I know little about things mentioned in the title. But I have an interesting idea for a website. I'd like to know what steps there are for this. As far as I know, one has to: 1) write a website 2) ...
3
votes
1answer
83 views

Why do some program after installation need the system to be restarted? [on hold]

I was asked this question in an interview. After installation of programs on windows OS,some program need the system to be restarted while others not. What is the reason behind this? I googled but ...
-2
votes
0answers
24 views

What is the Best JS framework to get started with mobile development? [on hold]

I have some JS knowledge/experience, would like to get started with mobile development using JS. There are so many frameworks around (plus mozilla OS too). Which is the best to get started?
2
votes
1answer
68 views

Accessing a private array when I have an extension method

I'm trying to make a number of data classes for my C#/XNA game, which would essentially be a wrapper around T[,]: public interface IGrid<T> where T : struct { Point Size { get; } T ...
1
vote
1answer
40 views

Type inference + overloading

I'm looking for a type inference algorithm for a language I'm developing, but I couldn't find one that suits my needs because they usually are either: à la Haskell, with polymorphism but no ad-hoc ...
-4
votes
0answers
27 views

Loading a website into String using a program language like Java [on hold]

I want to be able to make a connection to a website but i don't want the website counter to track me and getting info about me. So i want to ask if i use for example this Java code: public class ...
5
votes
6answers
1k views

Why is the usage of string keys generally considered to be a bad idea?

This has been bugging me for a while. Most of the time, when it comes to storing data in structures such as hashtables, programmers, books and articles insist that indexing elements in said structures ...
1
vote
2answers
68 views

In Ruby, change global in thread safe block

In Ruby, I have a use case for a few common configuration options, e.g. NOOP, TRACE, SILENT. Right now I am using local vars instead of globals and passing them around all over the place and it's a ...
0
votes
1answer
47 views

Advise on loose coupling between user controls

I have 5 user controls on the page and each control implements it's own interface that contains properties and events. In order to enable communication between user controls, I am creating a property ...
0
votes
2answers
85 views

How should I document a multi-tier application?

I have to create a documentation structure for a legacy application, and I'm not sure of how to organize it. Documentation goals: List of use-Cases Program flow for each of the use cases. ...
-5
votes
0answers
23 views

How to feed live scores online in realtime [on hold]

Is anyone know how services like scorespro.com collects and feeds the data in realtime ?. I'm not asking about the programming language(Node) or stuffs like websockets which they use obviously to ...
-5
votes
0answers
28 views

Update excel sheet automatic [on hold]

I have been working with one company, they send me excel file with company data. if they make any changes in Master copy(this excel file they have already with them), and when i open the file which ...
3
votes
1answer
189 views

modelling a restaurant availability search

I am looking into finding an efficient way which can scale up to thousands of restaurants, for doing a reservation search. Ideally, it would be efficient to answer queries like find a restaurant ...
-2
votes
0answers
16 views

Pre-requisites for Cloud Computing [on hold]

I am planning to learn the concepts of cloud computing but I don't know how to start??What courses or concepts I should have before starting something related to cloud?Is it more programming than ...
1
vote
1answer
33 views

How to secure a Django application's source code?

I have developed a Django application for a company. Now I am about to ship it to my customer. After reading through online articles and books, I understood that securing the source code of any web ...

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