The tag has no wiki summary.

learn more… | top users | synonyms

0
votes
0answers
29 views

Maximize the visibility of an ad to a maximum of people in an automatic advertising system

I have N different ads that I want to display at the same time to M people in an automatic advertising system. Some people will never see some ads because they only check some specific criteria on the ...
1
vote
1answer
52 views

Good strategy to implement a listener processing tasks provided by the database

Let's assume this conceptual scenario: The database is constantly populated with "a ton" of tasks named PleaseSendAnEmail. A scheduler/listener in background is aimed to handle those tasks. Of ...
1
vote
0answers
86 views

How to schedule large numbers of user-defined tasks?

Say you're running a website which generates a large number of tasks that should be run at particular times (e.g. reminder emails). You could run a cron which SELECTs a database table for unprocessed ...
2
votes
2answers
161 views

Algorithm to find times when resources are available

I'm writing a semi-automatic scheduling application. Given some existing bookings and some resource requirements, it needs to find the times at which a new event can be scheduled. A human user will ...
0
votes
1answer
340 views

Guidance on Excel VBA resource scheduling algorithm?

This was posted originally at StackOverflow though suggested to post here instead. I am looking to create an Excel VBA solution that will create a rota/schedule allocating staff to service users ...
1
vote
2answers
89 views

Could we set priorities only relative to each other instead of fixed numbers?

AFAIK the lowest priority has the highest number in scheduling and in my system all priorities must be different. But isn't other policies thinkable? For instance, how about a policy where priorities ...
2
votes
1answer
406 views

Multilevel Queue Scheduling (MQS) with Round Robin

I'm trying to use MQS to create a Gantt chart of 5 processes (P1-P5) as well as their waiting, response, and turnaround times (and averages of those metrics) within a CPU task schedule. Here's the ...
0
votes
0answers
199 views

How to design a task scheduler (like cron) with a Calendar Queue

I've been working on a dynamic task scheduler based on a Calendar Queue structure and I've hit a bit of a wall. The Calendar Queue lets me enqueue and dequeue events, however I think I might not be ...
2
votes
1answer
95 views

Sorting with continous input

I'm designing (not writing, yet) a task scheduler system for a complex video game. The rest of the program passes it objects containing a function and some metadata including an estimation of how much ...
1
vote
1answer
203 views

What are some algorithms that can assist with reservation time scheduling?

Here's the gist of the problem: There are multiple service providers who each have their own schedules of availability. There are multiple customers who seek their services. Customers need to be able ...
5
votes
2answers
190 views

One Scheduler vs. Many Schedulers

I've been using a single scheduler to handle all my scheduled tasks (Quartz.Net). I'm starting to rethink how this operates because if I need to update 1 task, I have to stop the entire process, ...
14
votes
10answers
1k views

Find out whose turn it is to buy the croissants, accounting for possible absences

A team has decided that every morning someone should bring croissants for everybody. It shouldn't be the same person every time, so there should be a system to determine whose turn it is next. The ...
0
votes
0answers
152 views

Development of algorithmical concept for scheduling and allocation problem

I have to solve a problem in the field of operations research. I want to gather some general approaches to evaluate them to pick the most promising to design a problem-related program. Problem ...
1
vote
1answer
431 views

Round Robin - how to determine the optimal quantum of time?

I have to calculate the proper quantum of time for Round Robin process scheduling algorithm. As I read in Tanenbaum's book, the quantum of time should cover like 80% of the running time of all ...
3
votes
2answers
288 views

Can I trust the Basic schedule equation?

I've been reading Steve McConnell's demystifying the black art of estimating book, and he gives an equation for estimating nominal schedule based on Person-months of effort: ScheduleInMonths = 3.0 x ...
0
votes
1answer
954 views

How to run any cronjobs using Objective-C at iOS Platform

Is there any way to run schedulers / schedule programs for example Cron Jobs using Objective-C at iOS Platform? I need to create a schedule update to my ios, lets say for example every five days my ...
8
votes
6answers
668 views

How do tight timelines and scheduling pressure affect TCO and delivery time?

A friend's father, who is a software engineering manager, said, emphatically, "The number one cause of scheduling overruns is scheduling pressure." Where does the research stand? Is a moderate amount ...
0
votes
1answer
428 views

How to make a PHP function triggered automatically at a user defined time

I am developing an internal system for a company with PHP using Zend framework. I need one of its functions to execute on a time specified by user. My research on this matter found me several ways of ...
2
votes
1answer
237 views

What relationship do software Scrum or Lean have to industrial engineering concepts like theory of constraints?

In Scrum, work is delivered to customers through a series of sprints in which project work is time boxed to a fixed number of days or weeks, usually 30 days. In lean software development, the goal is ...
1
vote
3answers
470 views

Algorithm for appointment reminders

My program allows users to store appointments in a calendar. What has been requested of me is the ability for SMS reminders to be sent to people to remind them of their appointment. The SMS would ...
3
votes
1answer
309 views

Are scheduled job servers the right choice for a time sensitive game engine?

I am currently architecting and designing an exciting new web application that will be entering into some areas that I have very little experience in, game development. The application is not ...
0
votes
1answer
365 views

Scheduling Thousands of *Recurring* Jobs

I'm looking for general approaches and ideally libraries/tools for scheduling many thousands of recurring jobs. A simple example is a feed aggregator, where I'd want to repeatedly poll thousands of ...
1
vote
3answers
798 views

How do I approach this PHP/MYSQL query?

I have a reservation system that I have coded and my final task is to allow the user to enter a set of dates and then show them all available options. The reservation table is set up with unit_id, ...
12
votes
8answers
413 views

How can I advocate a semi-strict release schedule in a risk-averse environment?

Recently I've been increasingly plagued by what I would have to describe as one of my most frustrating and morale-killing experiences in this profession: Having to sit on a release that has been ...
4
votes
4answers
511 views

Scheduling Algorithm for Scheduling Life

I am trying to write some code to schedule a set of real life tasks that are input by the user. These tasks are stored in an sqlite database. And at the moment, the only parameters I am taking into ...
5
votes
4answers
646 views

Sprint planning and accommodating slack

After reading Tom DeMarco's Slack, I'm wondering how to factor slack into sprints. For those who haven't read the book, TDM describes 'slack' as providing time for innovation and other good things. ...
5
votes
2answers
690 views

Implementing Scheduling Within an Application

I'm building an app and the end user will be using an Admin screen to schedule content on the front page. They will be choosing two dates, a start date and an end date. Obviously I don't want to ...
7
votes
3answers
294 views

Why is it optimal to schedule shorter jobs first on a uniprocessor?

On a uniprocessor, it is apparently optimal to schedule jobs that take less time first assuming non-preemptive scheduling - once a job runs, it must finish. Why? I am confused about how the ordering ...
0
votes
3answers
148 views

User friendly scheduling feature

I'm trying to add a scheduling feature to my web scraping application that will let the user schedule scraping jobs so he can, for instance, perform a job every Monday, or every 2 hours or stuff like ...
13
votes
9answers
825 views

Are there successful examples of development “shifts”?

There is some thinking going on around how to get more output from the current resources we have. The thought is that two teams working different shifts might produce more output. The first shift ...
0
votes
2answers
256 views

What should I do when my project manager does not care about implementation details?

My project manager, when providing requirements for specific tasks, does not care about the implementation details. Although he has a programming background and has some knowledge of the MVC ...
15
votes
11answers
627 views

Setting realistic expectations for deadlines

I'm a tech lead for a small team. One of the major tasks on my plate is communicating with the client. One thing I find particularly difficult is dealing with deadlines because they are mandated by ...
63
votes
14answers
3k views

Is it normal for a company to have programmers on such a rigid schedule? [closed]

So I've been working at this job for a couple of months. I'm a little frustrated because I do my best work from 2 to 7. In previous jobs, I've come in at 9:30-10:00 and leave at 7. Some companies ...
21
votes
13answers
2k views

Encouraging software engineers to track time

How can I encourage my coworkers to track the time they spend resolving issues and implementing features? We have software to do this, but they just don't enter the numbers. I want the team to get ...
4
votes
1answer
204 views

How can you make a cluster run a task only once?

If you had a task that you wanted to run only once on a cluster of servers, at a regular interval what would be the best way of achieving this? The definition of cluster in this case is 2 or more ...
3
votes
4answers
1k views

Task scheduling for software development

I'm managing a team of 10 software developers and I'm looking for a tool which can be used to schedule/assign tasks. I envisage a fairly simple web-based tool which each developer signs into. Here ...
27
votes
15answers
2k views

Why is software schedule estimation so hard? [duplicate]

Possible Duplicate: Why are software schedules so hard to define? I often need to explain to senior management why software estimation is so hard, and why our preliminary estimates are ...
7
votes
4answers
408 views

Does late have any meaning in Agile methodologies?

This came out of some of the answers and comments on another question (this one). I've worked primarily with waterfall projects and while I've worked on ad-hoc projects that have taken on agile ...