Re: my attempt for a new endeavour: debugging2day - Linux/C/C++-centric debugging methodologies online E-zine

2013-01-08 Thread Shlomi Fish
Hi Guy,

On Sun, 06 Jan 2013 02:41:13 +0200
guy keren guy.choo.ke...@gmail.com wrote:

 
 for want of a shorter name ;)
 
 i started this last year, then got a little lazy - and now that the 
 world didn't come to an end, decided to give it a second go - and this 
 time, even tell people about this :0
 
 
 http://debugging2day.wordpress.com/
 
 if anyone has comments, or has ideas or requests for article topics 
 (assuming they are within my grasp) - feel free to share.

I find debugging to be an interesting topic because I spend a lot of time
debugging (even when I have a comprehensive test suite which mitigates part of
this problem) and have also contributed to some of the various perl's
debuggers, recently as part of a (mostly) successfully finished Perl Foundation
grant.

However... I found your debugging2day blog a little lacking, and I'll try to
explain while giving what I hope is constructive criticism:

1. The first thing is that it is too full of long prose. In order to spice up
web hypertext, one can use various visual aids: uls and ols , headers,
hyperlinks, text in bold, images (but not animations or Adobe Flash applets
please though) such as diagrams, screenshots or photos, etc. etc. You have it a
little but you should include more of that.

2. I agree with what Joel Spolsky says here -
http://www.joelonsoftware.com/articles/BestSoftwareWriting.html - that the best
way to make a point in an essay is to tell a story that exemplifies it instead
of giving advice in a pie-in-the-sky or preachy way. Maybe I have missed some
things there but I don't see a lot of actual stories there to pique my interest.

3. For some reason, I find it hard to concentrate on reading the text in
http://debugging2day.wordpress.com/ - maybe the font is too small, or the grey
text (at least I think it is grey) has too little contrast with the white
background or something, but I think it can be made to be more usable and
inviting and so more people will be inclined to read it.



Arguably, I have violated some of these principles in some of my posts (a lot of
which I'm not sure if anyone bothered to read, but I still like to write them),
but see http://en.wikipedia.org/wiki/Tu_quoque .

Regards,

Shlomi Fish

-- 
-
Shlomi Fish   http://www.shlomifish.org/
UNIX Fortune Cookies - http://www.shlomifish.org/humour/fortunes/

I’d do Windows-- , but this may result in an integer underflow.
— an Israeli Linuxer.

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Fwd: [Israel.pm] Two Books for Giveaway: O'Reilly's DNS Bind 4th Edition and O'Reilly's Postfix: The Definitive Guide

2013-01-08 Thread Shlomi Fish
Hi all,

Forwarding from my GMail account because the Linux-IL mail server
threw a fit due to sending my message. Please email me at my
@shlomifish.org  account (CCed to this message).

I should note that I have one taker for the DNS  Bind book, but he
asked me to send it to him overseas, which I'm only willing if they
pay for the shipment cost, which I'm not sure if will happen yet.

Regards,

-- Shlomi Fish


-- Forwarded message --
From: Shlomi Fish shlo...@shlomifish.org
Date: Tue, Jan 8, 2013 at 3:11 PM
Subject: [Israel.pm] Two Books for Giveaway: O'Reilly's DNS  Bind 4th
Edition and O'Reilly's Postfix: The Definitive Guide
To: Perl in Israel p...@perl.org.il


Hi all,

I am giving away these two books:

* Postfix: The Definitive Guide (the pages are usable but the cover has strips
of air or something like that and accumulated some dirt)
* DNS  Bind - 4th edition

Both from O'Reilly, here are the books' homepages:

* http://shop.oreilly.com/product/9780596002121.do (Amazon:
http://www.amazon.com/Postfix-Definitive-Kyle-Dent-D/dp/0596002122 )

* http://shop.oreilly.com/product/9780596001582.do (Amazon:
http://www.amazon.com/BIND-Fourth-Edition-Paul-Albitz/dp/0596001584/ref=sr_1_1?ie=UTF8qid=1357650400sr=8-1keywords=dns+bind+4th+edition
- apparently there are some later versions )

You can pick one or both up from my apartment in Ramat Aviv Gimel (or we can
meet in the nearby shopping centre), or alternatively in a meeting of any of the
local software enthusiasts' club in Tel Aviv or vicinity.

Note: by giving away these books I don't mean to imply that they are bad ones,
or much less that I dislike the software applications and protocols that they
cover, just that I don't have much use for them.

Regards,

Shlomi Fish

--
-
Shlomi Fish   http://www.shlomifish.org/
UNIX Fortune Cookies - http://www.shlomifish.org/humour/fortunes/

Chuck Norris is the reason why the Knights who until Recently Said “Ni”,
are no longer saying “Ni”.

Please reply to list if it's a mailing list post - http://shlom.in/reply .
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-- 
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Shlomi Fish http://www.shlomifish.org/

Electrical Engineering studies. In the Technion. Been there. Done
that. Forgot a lot. Remember too much.

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Re: Off topic, but only a little since it's about hardware

2013-01-08 Thread vordoo

  
  

On 2013-01-05 21:53, Shlomo Solomon
  wrote:


  Ther are cheaper ones on e-bay:
http://www.ebay.com/itm/2800mAh-External-Backup-Battery-Charger-Samsung-Galaxy-Note-GT-N7000-i9220-/110787029613?pt=PDA_Accessorieshash=item19cb6bea6d

I have a similar one marked as 1500 mAh that gives my Galaxy S a 50-60%
charge. So since this is marked 2800 mAh, I'd guess it would give a
full charge. And it's only $11, including shipping to Israel.

What does the mAh have to do with a full charge? I though that was a
volt thing.

  


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Re: Off topic, but only a little since it's about hardware

2013-01-08 Thread Michael Shiloh

mAh is a measure of the capacity to deliver that voltage.

You know a battery doesn't last forever. If you suck a lot of current 
out of it, it will empty sooner. If you suck only a little current, it 
will last longer.


mAh is milli Amp Hours, so a 1500 mAh cell can deliver 1500 mA for one 
hour, or 150 mA for 10 hours, etc.


In reality it is not a perfectly linear relationship, but it is a useful 
number for reference and comparison.


HTH,
Michael

On 01/08/2013 07:27 AM, vordoo wrote:


On 2013-01-05 21:53, Shlomo Solomon wrote:

Ther are cheaper ones on e-bay:
http://www.ebay.com/itm/2800mAh-External-Backup-Battery-Charger-Samsung-Galaxy-Note-GT-N7000-i9220-/110787029613?pt=PDA_Accessorieshash=item19cb6bea6d

I have a similar one marked as 1500 mAh that gives my Galaxy S a 50-60%
charge. So since this is marked 2800 mAh, I'd guess it would give a
full charge. And it's only $11, including shipping to Israel.

What does the mAh have to do with a full charge? I though that was a volt thing.



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