<http://lxer.com/module/newswire/ext_link.php?rid=180777>
bm
> -Original Message-
> From: Octavian Rasnita [mailto:orasn...@gmail.com]
> Sent: Wednesday, February 13, 2013 12:53 PM
> To: Bob McConnell; Perl Beginners
> Subject: Re: obfuscating code
>
> From: "Bob Mc
only distribute
the output from the compiler. Even then there may be de-compilers or
disassemblers that can reconstruct much of your source in readable form.
Bob McConnell
> -Original Message-
> From: jbiskofski [mailto:jbiskof...@gmail.com]
> Sent: Tuesday, February 12, 201
ffers.
There may be other options to simplify this. One popular variation is to
precede each message with a two byte length value. Normally this will be a 16
bit integer in network byte order. You read the two bytes, then do another read
for the number of bytes indicated by them. You still hav
-
I found descriptions of this problem by searching on Google, but nothing to
help me resolve it.
Bob McConnell
This message and any attachments are intended only for the use of the addressee
and may contain information that is privileged and confidential. If t
comp.sources.* groups have been superseded by live SCM
servers and sites like Sourceforge, many of the discussion groups are still
very active. I am using Astraweb <http://astraweb.com/> which has more than
four years of retention on most groups. Plans are priced by your choice of
bandwidth or volume.
Bob McConnell
atform. I use Thoth on a Mac. There are lots of
> choices.
>
I use Pan on my Slackware Linux workstations. But I believe Thunderbird will
also manage a news feed.
Bob McConnell
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clone of the production server as we can make it. This not only makes the
automation possible, but it simplifies the build process as well.
Bob McConnell
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ded too many times
and may be the result of a mail loop. A couple of people have looked at it, but
have not been able to identify the cause.
Bob McConnell
y. The error messages there
should point you toward the problem. If it runs, then there has to be a
difference in the environments between your login and the user that actually
executes the script.
The alternative is to wrap it in a script that sends STDERR output to syslog.
Bob McConnell
-
not in the right order in the logs) you should not worry to much
> about the order in which this shows up in the logs.
>
When you set up multiple processes or threads, Perl no longer has full control
of their execution. The OS manages the scheduling and size of the time slices.
It is very common to see race conditions like this where one process
occasionally jumps ahead of another. Another symptom is split messages where
one thread inserts its output in the middle of another's. If you need to manage
the sequence of events between processes, you will need to look at IPC
(Inter-Process Communications) capabilities of your platform. Semaphores are
one mechanism that can be used to control the output sequence.
Bob McConnell
not in the right order in the logs) you should not worry to much
> about the order in which this shows up in the logs.
>
When you set up multiple processes or threads, Perl no longer has full control
of their execution. The OS manages the scheduling and size of the time slices.
It is very common to see race conditions like this where one process
occasionally jumps ahead of another. Another symptom is split messages where
one thread inserts its output in the middle of another's. If you need to manage
the sequence of events between processes, you will need to look at IPC
(Inter-Process Communications) capabilities of your platform. Semaphores are
one mechanism that can be used to control the output sequence.
Bob McConnell
t DWIMPerl itself, but it claims to be based on Strawberry,
which I do use. The biggest advantage Strawberry has over ActiveState is the
direct use of CPAN and all available modules there. It is not limited to the
adulterated and incomplete collection provided by ActiveState.
Bob McConnell
have actually worked with was the Digi
ConnectME. That was very useful as a network appliance, but at US$47 in small
quantities, it only had one each Ethernet and serial ports.
Bob McConnell
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in a Perl
mailing list, you are going to get Perl scripts. If that is not what you are
looking for, you need to find a mailing list for your particular shell, which
you didn't name.
Bob McConnell
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either globally or by
using NoScript or similar add-ons. As a result, it should never be used to
enable critical elements of a web page, but only to enhance the presentation.
Bob McConnell
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Received" chain with a path for each relay point, but I'm not a server admin,
so I can't be sure of that.
Good luck,
Bob McConnell
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; is reserved for use by the transport
servers. It is likely your server is stripping out the suggestion you have put
in there.
It is also very likely that the bounce messages you expect are not being sent,
due to the long term SPAM epidemic we have been experiencing. Most mail servers
have that
nct impression that all of the Perl developers
had left that project, and nobody still working on it was interested in keeping
the Perl drivers up to date. I never saw any indication there would be Perl
drivers bundled with Se2.
Bob McConnell
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> From: Gary
>
> Bob McConnell wrote:
> >> From: Gary
>
> >> For the record, this is what I did to get around the problem:
> >>
> >> ,[ code ]
> >> | my $s = IO::Select->new($self->{_sock}); while (my @ready
e same length, or is there a delimiter at the end you can test for? If
the length is constant, I would change the loop test to (length($ret) <
SIZE) instead of just waiting for a partial buffer.
If you do get to handle multiple messages without a significant delay
between them, this code also
nough you have to wait for more. If
you have too many, you need to hold on to the extra to start the next
element.
If you want a read() to return exactly as many bytes as the matching
write() sent, you need UDP. But then you give up the delivery guarantee.
Bob McConnell
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Lookout is another. I have to manually edit each line to turn this into
a bottom post. They totally dropped the Usenet style reply option in the
Office 2003 release.
Bob McConnell
-Original Message-
From: Zachary Zebrowski [mailto:zak.zebrow...@gmail.com]
Sent: Thursday, October 06
From: shawn wilson
> On Oct 3, 2011 8:48 AM, "Bob McConnell" wrote:
>>
>> From: shawn wilson
>>
>> > On Sun, Oct 2, 2011 at 02:32, Shlomi Fish
wrote:
>> >> On Sun, 2 Oct 2011 00:07:34 +0300
>> >> "Octavian Rasnita" w
rc, some browsers don't or google say are dangerous
> - there doesn't seem to be any script running on this page - cursory
> look):
> http://ha.ckers.org/xss.html
>
For general guidelines and tools, take a look at the OWASP Projects at
<http://www.owasp.org/>.
Bob McConnell
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From: Sisyphus
> From: "Bob McConnell"
>
>>I am using Strawberry on WinXP. I need to test some IPv6 connectivity
>> but can't get Socket6 to install. It all boils down to two errors
during
>> the compile stage.
>>
>> Socket6.o:Socket6
ference to `inet_ntop'
collect2: ld returned 1 exit status
How do I resolve this problem?
Bob McConnell
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o reason to look back.
Bob McConnell
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My first impression was that he wanted the first hundred characters
rounded off to the previous or next full word. It sounded like he wanted
smart line breads at the word boundaries.
Bob McConnell
From: timothy adigun
> I get the point you are making here, if you check the subroutine &
l:
<http://www.santaclarahightech.org/teacher/selenium-rc/>
<http://quicksilver1183.com/2010/09/07/setting-up-selenium-with-perl/>
<http://testingwithperl.blogspot.com/2008/03/using-selenium-for-testing.
html#driver>
<http://wiki.openqa.org/display/SRC/Selenium+RC+and+Perl>
actual response from the user.
Even then I would be worried that it could be a 'bot responding to you.
Email should no longer be considered a reliable basis to make financial
decisions.
Bob McConnell
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t;>
>> It's probably less fast than other ones, but it seems to work.
>
> I'm afraid you may need to improve your testing skills.
>
> I assume your keywords are in lower case. What happens with mixed case? You
> would need /i on your first //
You need to be a l
then accesses the database.
There are any number of variations on these themes, but in each case,
they have to run some application code somewhere in order to access the
data.
Bob McConnell
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implies. But "goto" is uncontrolled and ignores that
context, leaving the stack and related structures in an unknown state.
This is what makes it so dangerous. It can also be used to jump into a
code block without correctly initializing its structures, creating a
even bigger mess.
Th
t;if ( /^[\040-\176]*$/ ){ # all from space to tilde
> print "OK. '$_' is all us-ascii\n-> "
>} else {
> print "Can't accept '$_' ; " .
> "contains non us-ascii characters\n-> "
>}
> }
Yo
w much RAM and swap
space you have available. So the other option is to switch to a 64-bit
system.
Bob McConnell
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to decide what to do with that first line.
Bob McConnell
-Original Message-
From: Shawn H Corey [mailto:shawnhco...@gmail.com]
Sent: Monday, January 10, 2011 11:08 AM
To: beginners@perl.org
Subject: Re: 1st line of perl script
On 11-01-10 10:57 AM, Sunita Rani Pradhan wrote:
> Yes I
or different scripts.
Bob McConnell
-Original Message-
From: Sunita Rani Pradhan [mailto:sunita.prad...@altair.com]
Sent: Monday, January 10, 2011 10:58 AM
To: Brandon McCaig; Shawn H Corey
Cc: beginners@perl.org
Subject: RE: 1st line of perl script
Yes I agree . Then I am coming back to my
equence is
run, verify the final state of the data.
Bob McConnell
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From: Brandon McCaig
> On Fri, Oct 1, 2010 at 8:26 AM, Bob McConnell wrote:
>> AKA carriage return, it suggests you have DOS/Windows line endings
>> instead of Unix. You can clean them up in the source files with the
>> dos2unix or tr filters. The latter looks something l
From: Shlomi Fish
> On Monday 04 October 2010 14:45:57 Bob McConnell wrote:
>> From: Brandon McCaig
>>
>> > On Fri, Oct 1, 2010 at 8:26 AM, Bob McConnell
wrote:
>> >> AKA carriage return, it suggests you have DOS/Windows line endings
>> >> inst
AKA carriage return, it suggests you have DOS/Windows line endings
instead of Unix. You can clean them up in the source files with the
dos2unix or tr filters. The latter looks something like this:
$> tr "\r\n" "\n" < bad.pl > good.pl
Bob McConnell
-Original M
es the LWP bundle help in automating all web protocols ?
>
> See WWW::Mechanize
>
http://search.cpan.org/~petdance/WWW-Mechanize-1.66/lib/WWW/Mechanize.pm
>
Another option is Selenium[1]. It works within a browser using a
JavaScript proxy to mimic the actions of the user. The rem
gt; any advice please
You can't have unescaped quotes in a quoted string. Try this:
print MYFILE "\n";
or this:
print MYFILE '' . "\n";
Bob McConnell
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Thanks Shlomi. But in order for that to work, I would have to retain
the
> 'old' UID numbering system, rather than use the 'new' (Debian)
numbering
> system. If I wanted to do that, your solution would work fine.
>
> Maybe I've missed something.
Maybe it would
ry entries to point to the same
file (hard links). You may delete (unlink) the entry you know about, but
if there are others, the file will not be removed until they are all
gone. Then it will still be kept as long as any processes have it open.
Bob McConnell
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From: Uri Guttman
>>>>>> "BM" == Bob McConnell writes:
>
> BM> From: Uri Guttman
>
> >> that implicates the tar.exe in your box as the guilty party. put
> >> the blame on camelbox for not handling some variation in tar
> >&
From: Uri Guttman
>>>>>> "BM" == Bob McConnell writes:
>
> BM> To remove the tar binary from Config.pm:
> BM> 1) Open C:\camelbox\lib\CPAN\Config.pm in an editor that
understands
> BM> Unix files (NOT notepad.exe; wordpad will work for thi
From: Steve Bertrand
> On 2010.06.21 18:22, Bob McConnell wrote:
>
>> After a little more digging, and trying your suggestion to try from
>> Linux, I have determined that the directory information in the new
tar
>> files is being put into the prefix field of the heade
From: Bob McConnell
> From: Uri Guttman
>>>>>>> "BM" == Bob McConnell writes:
>>
>> BM> Looking at the two tar files with a binary viewer after
uncompressing
>> BM> them through gzip, I see several differences, but other than th
From: Uri Guttman
>>>>>> "BM" == Bob McConnell writes:
>
> BM> Looking at the two tar files with a binary viewer after
uncompressing
> BM> them through gzip, I see several differences, but other than the
> BM> obvious, I don't know which
From: Uri Guttman
>>>>>> "BM" == Bob McConnell writes:
> BM> Yes, that was all one line. Lookout doesn't give me any options
to
> BM> prevent it from wrapping. Microsoft _always_ believe they know
what's
> BM> best for you.
>
>
and run eval on it (or use do/require). it also depends on how
> you write out the file itself. you may need to edit (in perl) the dumper
> text to make it work in your context (package space, lexicals, etc.)
>
> another alternative if your hash is simplistic is to use CSV or a DBD
>
From: Uri Guttman
>>>>>> "BM" == Bob McConnell writes:
> BM> From: Uri Guttman
>
> >> tar zxvf Test-Harness-3.17.tar.gz
>
> BM> C:\camelbox\.cpan\build\tmp-Test>tar xzvf
> BM> D:\Downloads\Test-Harness-3.21.tar.gz
> BM&
From: Uri Guttman
>>>>>> "BM" == Bob McConnell writes:
>
> BM> From: Uri Guttman
> >> i will assume the tarball from cpan is in good shape. so the
issues
> >> seems to be you have a broken unzipping of a tar.gz file. can you
try
> &g
From: Uri Guttman
>>>>>> "BM" == Bob McConnell writes:
>
> BM> Just that, there are no paths shown in the directory tree. When
> BM> unpacked, I see this:
>
> BM> --
> BM> C:\camelbox\.cpan\build
.pm
...
--
There were also several name collisions, so not all of the files are
there. There is no chance Make is going to work.
I also have CPAN and Net::PCAP source packages which do show a directory
structure and unpack into the correct directories.
Bob McConn
stead of in the
directories. Is this tar ball broken?
Bob McConnell
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to make sure your base scripts record errors
when there are network problems and they can't reach those servers.
Notice I said 'when' not 'if'. It is a basic theorem that there will be
times that your scripts can't get through.
Bob McConnell
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while (system($command) != 0) {
}
Bob McConnell
-Original Message-
From: Andros Zuna [mailto:andros.z...@gmail.com]
Sent: Wednesday, May 26, 2010 8:57 AM
To: Chaitanya Yanamadala
Cc: beginners@perl.org
Subject: Re: Return value = 0
Hi,
Thank you for the tip Chaitanya
I am getting the following error report when I try to install Net::Pcap
for Perl 5.10.0 as root on Slackware 12.2.0. Can anyone tell me what I
am missing?
Bob McConnell
Test Summary Report
---
t/03-openlive.t (Wstat: 256 Tests: 14 Failed: 1)
Failed test: 13
Non
From: Bob McConnell
> I am trying to install Net::Pcap for Camelbox Perl on WinXP. cpan
> returns the error message below, but won't tell me what the standard
> location should be for WpdPack.
>
> Where do I put it?
I am also having problems installing Net::Pcap on Slackwa
I am trying to install Net::Pcap for Camelbox Perl on WinXP. cpan
returns the error message below, but won't tell me what the standard
location should be for WpdPack.
Where do I put it?
Bob McConnell
-8<
CPAN.pm: Going to
and you have to be pretty familiar with
> that service to know how to get the info you need.
I would start by playing with nmap and think about using Perl to reduce
the results
to a usable format.
Bob McConnell
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more than a 10 second
difference between MIN and MAX. IF there is, how frequently does it
reach the high end. Yes, we are having timeout issues with the
applications talking over this connection.
Any suggestions?
Thank you,
Bob McConnell
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The Perl command opens a new instance of the shell, not the one you
called Perl from. The new instance has no history to report.
Bob McConnell
-Original Message-
From: Chaitanya Yanamadala [mailto:dr.virus.in...@gmail.com]
Sent: Tuesday, May 18, 2010 10:20 AM
To: Bob McConnell
Cc
of the current shell. Since you
just opened it via the system call, it has no history, so it returns an
empty string. That behavior is correct.
Now, what are you actually looking for?
Bob McConnell
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eloaded
>mvia "use".
What is the difference between this and exporting a YAML file? Where
would either be preferred over the other?
Bob McConnell
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o disable output buffering.
Bob McConnell
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next_yaml)) but this gives me a void context.
>
> Can anyone suggest how I could merge them?
You might try the suggestion here:
<http://www.perlmonks.org/?node_id=813443>. As usual, I ran across it
yesterday while looking for something else.
Bob McConnell
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From: Philip Potter
> On 4 May 2010 13:45, Bob McConnell wrote:
>> From: Uri Guttman
>>
>>>>>>>> "HP" == Harry Putnam writes:
>>>
>>> HP> "Uri Guttman" writes:
>>> >> nope. been doing this f
dea of the lay of the land and the paths
available to get from here to there. It is also called experimenting
with the tool set, or working through the exercises at the end of the
chapter. As long as he is learning, what difference does it make what
his final destination is. Do any of us know what t
n windows. Always something.
Do you really need to change them? Many applications on MS-Windows will
parse either slash correctly. Test what you have before you spend
(waste) time changing them.
Bob McConnell
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your end. Otherwise, the half open socket will remain until something
triggers a network error that causes the write to fail. But you don't
check the results of the send() either, so you may have missed that as
well.
Bob McConnell
-Original Message-
From: Leon Meyer [mailto:
the registry at all. After it's
> installed you can then 'rmdir /s /q' the "temporary location".
To install on 64 bit systems, you need a 64 bit installer that knows it
is installing a 32 bit application. Otherwise, by default MS-Windows
will install the registry entri
From: Uri Guttman
>>>>> "BM" == Bob McConnell writes:
> BM> From: Philip Potter
> >> On 6 April 2010 16:52, Bob McConnell wrote:
> >>> I have a test harness set up with a series of Selenium test
scripts.
> >>> Each
From: Philip Potter
> On 6 April 2010 16:52, Bob McConnell wrote:
>> I have a test harness set up with a series of Selenium test scripts.
>> Each script tests a specific scenario on my web site. But I have some
>> scenarios that I want to test multiple times with different
I don't see why anyone would want to run Windows. It's
like
> trying to run a marathon while dragging a bus.
It's not that we want to run MS-Windows, but the PHB's don't give us any
choice.
Bob McConnell
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;$user");
$sel->type_ok("LoginPWD", "$pwd");
$sel->click_ok("LoginSubmit");
$sel->wait_for_page_to_load_ok("1");
--8<---
Is there a cleaner way to pass those variables into each test script?
Ho
From: Patrick Dupre
> I do not know what to tell you.
>
> I tried another webmail, but I cannot sent an empty email with an
empty
> subjet !!!
Just put the word "Subscribe" in each field. The server will ignore
them.
Bob McConnell
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2821. It mostly extends the
original protocol and tries to clarify some explanations. So 821 is
still a proper subset. I do think it is best to read 821 first. One
difference that does matter is that the CR+LF pair as line terminator is
now explicitly required by both 2821 and 2822. That was not cl
From: Harry Putnam
> "Uri Guttman" writes:
>
> [...]
>
>> . . . . . . . . . . . . . . . . . . . . . . . . . . . . but it
>> all starts in your head. a disorganized mind can't ever be a good
>> coder.
>
> I may be in deep do do here...
>
u are
welcome to modify or add to it.
The other option is their Google group at
<http://groups.google.com/group/selenium-users>.
Bob McConnell
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n't believe in programming in an idiot-proof manner and avoiding
useful
> features in order to dumb down the code.
It wouldn't work anyway, since each generation of idiots just gets more
ingenious than the last.
Bob McConnell
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"rand x 100", but that's too slow, too. :-/
>
> Any ideas are greatly appreciated.
Copy a text or binary file into the stream. Any file in /bin or /sbin
could be used.
Bob McConnell
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notes in a page on their wiki
<http://wiki.openqa.org/display/SRC/Selenium+RC+and+Perl>, but it's not
a very good explanation of how to do it.
Thank you,
Bob McConnell
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From: Jay Savage
> On Wed, Mar 3, 2010 at 8:28 AM, Bob McConnell wrote:
> [snip]
>>
>> However, if the application is this complex, is Perl really the best
>> language to use? It would not be my first choice.
>
> That is a very strange statement to make on a Pe
ce process, and requires significantly different tool kits. Also,
the choice of OS will dictate some of those requirements. Unfortunately,
there are not a lot of tool kits that are fully portable between
MS-Windows and the rest of the world.
Bob McConnell
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channel between each thread and the process it called.
Then use the threads to monitor and/or control the individual processes
until they terminate. Once the process is done, terminate the matching
thread.
When processes run on the local machine, any of the IPC options can be
used for the comm channe
me. The Perlish style (perldoc perlstyle) would be
There is one other question about B. that I haven't seen mentioned in
this thread. There may be other reasons why you would change that tire.
Would you really want it bound that tightly with CheckFlat() when you
need to add them?
Bob McCo
From: Bob McConnell
> Just to avoid re-inventing a pair of wheels, does anyone
> have a script that will accept any and all SMTP connections
> and messages, but dumps them into a file instead of trying
> to forward them?
To close the loop on this question, even though I didn
and
frustration.
Thank you,
Bob McConnell
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From: Tony Esposito
> I need to get the current USER env var in a Windows Perl
> program. Does anyone know how this is done? I have done
> it on UNIX/Linux.
I believe it is labeled USERNAME in the MS-Windows environment.
Bob McConnell
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or Windows.
>
> If you can, please use Strawberry Perl instead of ActivePerl. See:
>
> http://win32.perl.org/wiki/index.php?title=Main_Page
I would suggest you also take a look at camelbox. It was the result of a
Google "Summer of Code" project. I have been using it on WinXP for m
it, but it should all be typed on one line. I don't know
if the extra spaces are significant, but it works so I haven't changed it.
perl -MTest::Harness -e "@ARGV= map glob, @ARGV if $^O =~ /^MSWin/; runtests
@ARGV;" t/*.t
Bob McConnell
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ts it to Perl. I then add additional
validations, input some variables from the environment and put it into a test
directory to add to the growing suite of tests.
What problems do you need to solve?
Bob McConnell
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From: Bryan R Harris
>> From: Uri Guttman
>>
>>>>>>>> "BM" == Bob McConnell writes:
>>>
>>> BM> From: Bryan R Harris
>>>>>
>>>>> I need to convert a number like this: -3205.0569059
>>>
From: Uri Guttman
>>>>>> "BM" == Bob McConnell writes:
>
> BM> From: Bryan R Harris
> >>
> >> I need to convert a number like this: -3205.0569059
> >> ... into an 8-byte double (big and little endian), e.g. 4f 3e 52
00
f() family is your friend.
Bob McConnell
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From: Steve Bertrand
> Steve Bertrand wrote:
> > Bob McConnell wrote:
>>>
>>> I have begun the task of automating functional tests for some of our
web
>>> servers. I have had some success using Selenium IDE in Firefox to
>>> capture input sequences, e
12.dev" portion of the URL into each of
the test scripts. I can't see any way with Test::Harness or Test::More
to do this. If I can, then I have other parameters that need to be
passed in as well.
Any suggestions?
Bob McConnell
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