Type: Posts; User: David_B
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I use DBL_EPSILON in several numerical routines; some background is provided in a blog post:
Free Math Tools for Science and Engineering Students
For a root-finding routine, a root can...
Okay, this opens up a can of worms for me.
var temp1, temp2, mchEps
temp1 = 1.0...
That's correct. Those numbers correspond to the values C++ returns for DBL_MAX and DBL_MIN--the quantities for type double variables.
The site seems simple enough, nice and clean--perhaps too clean.
Before I check out a service, I like to see an "About" link, so I can learn more about the people and company offering the service....
I write numerical programs.
In C++, I like to initialize variables to NaN using the...
Your regular email client is Microsoft Outlook, Eudora, Mozilla Thunderbird, ... whatever product you use to send and receive emails.
If the mail-out is going to be one time, you could just...
When you say "this", do you mean restricting the number of blog posts displayed, or changing the font size?
To restrict the number of posts displayed to 3, you could edit the PHP code of the page...
I mean, are you planning to send out a newsletter once a year, once a month, once a week, etc.?
If it is going to be a one-time mass mail-out, having people go through the double opt-in process...
Keep in mind that to use a newsletter service like mailchimp or constantcontact, all users would have to double opt-in to the newsletter:
i) first, they would each have to sign up for the newsletter...
Could you explain a little more about what you are trying to do?
Here is what I am picturing so far:
users go online,
they fill in a form,
the form is emailed to you,
you would like to copy...
In addition to Vertical Response and Constant Contact, there are also the following:
Has a free option.
There are many keyword suggestion tools.
Many are online and free, for example, the following two:
Advanced Keyword Suggestion Tool
There are many hit counters for tracking traffic to a website.
Statcounter is one.
Google Analytics is another--very popular--one.
Does your web host not include one with your hosting package?...
Sounds like you want to add an RSS feed to your site (Real Simple Syndication).
First, you would have to style your web page such that the news displays in the proper part of the web page (i.e. -...
From my own readings on this topic lately, the concensus seems to be to spend a little time on META tags, but not a lot. The big search engines, such as Google, are said to have downplayed the...
Generally, Google doesn't show all links to a site in any case, just the links it considers important. So even though Google might know links to your site exist, it doesn't necessarily list them on a...
I use a free tracker from Extreme Tracking:
Their paid tracker is supposed to be much better, but the free version already gives more information than I need anyhow: IP...
Numerical Mathematics Routines
The block of code to be commented out includes some multi-line comments. So if I then wrap the whole block in a /* */, the first instance of */ would cause the browser to think the comments are...
Dreamweaver is good, but it's a commercial product ($$$$).
FrontPage adds a lot of extra code to a page; I would avoid it. I think even Microsoft has come to the realization it is not very good...
Can you even purchase a "C" compiler anymore? I think everything is "C++".
Myself, I use Microsoft's Visual C++ version 6, and am planning to upgrade soon. However, my programming usually only...
Quadratic Equation Solver
I am curious: why are you writing this program? Is it a homework...