I always thought that a node in an execution plan can only be executed after its children have executed, and thus the total cost of a node has to be greater or equal than the cost of the child nodes. However, this is not always the case, like in the following example: Plan hash value: 2810258729 ----------------------------------------...
Many people suggest to develop web applications in open source technologies. And one of the reason is the cost involved in hosting and the licensing of software. How costly can it be to build and deploy an application in asp.net mvc compared to any other open source technology? ...
I am looking for research papers, case scenarios etc that explain or show why less code is easier to maintain, debug, etc. Possibly how choice of programming language can affect it etc. I have no idea how to find this information. Googling something like "research programming less code" yield tons of results and the first few pages doesn...
Based on this older thread, it looks like the cost of list functions in Python is: Random access: O(1) Insertion/deletion to front: O(n) Insertion/deletion to back: O(1) Can anyone confirm whether this is still true in Python 2.6/3.x? ...
Hi, I am building an ASP.NET application. Here I need to provide time and cost estimate for this application to my boss. Would someone guide me how to proceed on this? Please refer few good tutorials /links to carry-out these calculations. Thanks and Regards. Bhavna. ...
hi friends, my client asking for Card Style Newsletter design. I have no idea how much normally designers charge for such work :/ any idea? thanks!! appreciate ... ...
Hello, I am creating (possible a lot) of objects as a result from a WDS query. I want them strongly typed, so I created a wrapper object which extracts the data from the oledbreader. The question is now, I want to do this for convinience: // Values with string[] return value public string[] System_Author { get; set; } publ...
I've seen lots of references to such studies, but can't find any links right now. ...
Hi, In the application I'm developing , we use the DevExpress XtraGrid control, which has a RowCellStyle event that allows to customize the style of each cell. The event handlers for this event typically look like that : private gridView1_RowCellStyle(object sender, RowCellStyleEventArgs e) { if (/* Some condition */) { ...
Is there a way/tool/technique to calculate the processor and memory cost of a specific MySQL query? ...
Summary We are start up and we provide software development services. We develop windows, web, services and mobile applications. We were aware of agile and we are scrum certified developers . We do user story based estimation and task planning. No issues. Issue We are approached by many small customers. Customers says very high level...
Is cost accounting native to GP? ...
I'm about to go to Pycon, and while I have my hosting at Webfaction one of the tutorials (JKM) asks for students to have AWS instances. I've been trying to figure out what some minimum charge examples might look like? I'll have a lamp server with Django and a requisite amount of storage but next to no traffic. Anyone have some guidance...
A co-worker and I are having a discussion about WFC services when the topic of "cost" comes up. The question is this: Given that an IIS-hosted WCF service and a Windows-Service-hosted WCF service do the exact same thing, which service will be more "expensive" with regard to memory and CPU cycles if they both are accepting the same load...
Hi I'm wondering building a website like StackOverFlow (approximately the same features using ASP.NET ) How much Work-power and time does it take in your opinion . My boss has asked me to estimate for work-power , time , cost and suitable technologies . I appreciate any direction . ...
As a percent what is the average percent cost of the to the total project budget in each of the following: My project numbers are included below: are these normal? Project Management: 4% Project Overheads 7% Requirements: 7% Design: 26% Development: 22% Testing: 20% Deployment: 14% ...
I usually develop content management solutions in php, I work with designers that create the front end (html & css) and I usually develop the backend (php & mysql) of said cms. I know that the cost of the website may vary depending of the complexity of the html or the backend, but taking as reference a very basic website, what percentage...
Our application runs on the web, is mostly an inquiry tool, does some transactions. We host the Oracle database. The app has always had a different instance of Oracle for each customer. A customer is a company which pays us to provide our service to the company's employees, typically 10,000-25,000 employees per customer. We intend to hav...
I've heard that mysql queries are very expensive, and that you should avoid at all costs making too many of them. I'm developing a site that will be used by quite a few people, and I'm wondering: How expensive are mysql queries actually? If I have 400,000 people in my database, how expensive is it to query it for one of them? How clos...
Hello What is the cost of the atomic operation (any of compare-and-swap or atomic add/decrement)? How much cycles does it consume? Will it pause other processors on SMP or NUMA, or will it block memory accesses? Will it flush reorder buffer in out-of-order CPU? What effects will be on the cache? I'm interested in modern, popular CPUs...