A 12V *AC* power supply
Hi list, I bought a USB connected logic analyzer for too much money (not that much). When buying, I did a mistake and not thought through the issues, and bought from a US supplier without telling them this needs to be a 220V country. As a result, I got an external power supply that is 110V, which outputs 12V AC at 1000mA (why they do not write 1A, I do not know). To my shame, I actually bought a universal DC supply without noticing that it's AC I need, and started a support call with the company. They were very nice, and when we, finally, found out the source (I hope it is it), the guy said I could probably get by with 18VDC, but it would strain the capacitors (my math suggests that 15VDC is closer to the mark). So, does anyone know where I can get a 12V AC power supply? They are not exactly a commodity. Thanks, Shachar -- Shachar Shemesh Lingnu Open Source Consulting Ltd. http://www.lingnu.com ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: A 12V *AC* power supply
On Jul 13, 2010, at 9:13 AM, Shachar Shemesh wrote: I bought a USB connected logic analyzer for too much money (not that much). When buying, I did a mistake and not thought through the issues, and bought from a US supplier without telling them this needs to be a 220V country. As a result, I got an external power supply that is 110V, which outputs 12V AC at 1000mA (why they do not write 1A, I do not know). To my shame, I actually bought a universal DC supply without noticing that it's AC I need, and started a support call with the company. They were very nice, and when we, finally, found out the source (I hope it is it), the guy said I could probably get by with 18VDC, but it would strain the capacitors (my math suggests that 15VDC is closer to the mark). So, does anyone know where I can get a 12V AC power supply? They are not exactly a commodity. You can buy a 230- 120 volt transformer at home center. They are around 100 NIS. Don't buy the 35 NIS ones, they will cause you trouble. If you have a BEZEQ Siemens router (some say Rotal on them) it uses a 12 volt 1000ma adapator. There are plenty of them lying around from when people upgraded to NGN or 802.11N. I just took a DC adaptor and removed the components that coverted the AC to DC. I did that for some modems that needed AC but came without adaptors. You could also try YS Metronics. They probably have what you need. Geoff. -- geoffrey mendelson N3OWJ/4X1GM Jerusalem Israel geoffreymendel...@gmail.com I do multitasking. If that bothers you, file a complaint and I will start ignoring it immediately. ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Configuring serial ports to keep their ttys* location
On Ubuntu Linux we have many serial devices connected, they show in the udev log like this: KERNEL[1279002550.149087] add /devices/pci:00/:00:14.4/:03:06.0/tty/ttyS4 (tty) UDEV_LOG=3 ACTION=add DEVPATH=/devices/pci:00/:00:14.4/:03:06.0/tty/ttyS4 SUBSYSTEM=tty DEVNAME=ttyS4 SEQNUM=1212 MAJOR=4 MINOR=68 KERNEL[1279002550.149102] add /devices/pci:00/:00:14.4/:03:06.0/tty/ttyS5 (tty) UDEV_LOG=3 ACTION=add DEVPATH=/devices/pci:00/:00:14.4/:03:06.0/tty/ttyS5 SUBSYSTEM=tty DEVNAME=ttyS5 SEQNUM=1213 MAJOR=4 MINOR=69 KERNEL[1279002550.149116] add /devices/pci:00/:00:14.4/:03:06.0/tty/ttyS6 (tty) UDEV_LOG=3 ACTION=add DEVPATH=/devices/pci:00/:00:14.4/:03:06.0/tty/ttyS6 SUBSYSTEM=tty DEVNAME=ttyS6 SEQNUM=1214 MAJOR=4 MINOR=70 The SEQNUM is _not_ constant from boot to boot, therefore configuring the mount point per SEQNUM does not work. I am not sure if the KERNEL[1279002550.*] number is unique, is it supposed to be? If so, which udev rule would configure the mount points to be as they are now on next boot as well? Thanks. -- Dotan Cohen http://gibberish.co.il http://what-is-what.com ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: A 12V *AC* power supply
2010/7/13 Shachar Shemesh shac...@shemesh.biz Hi list, I bought a USB connected logic analyzer for too much money (not that much). When buying, I did a mistake and not thought through the issues, and bought from a US supplier without telling them this needs to be a 220V country. As a result, I got an external power supply that is 110V, which outputs 12V AC at 1000mA (why they do not write 1A, I do not know). To my shame, I actually bought a universal DC supply without noticing that it's AC I need, and started a support call with the company. They were very nice, and when we, finally, found out the source (I hope it is it), the guy said I could probably get by with 18VDC, but it would strain the capacitors (my math suggests that 15VDC is closer to the mark). So, does anyone know where I can get a 12V AC power supply? They are not exactly a commodity. Thanks, Shachar -- Shachar Shemesh Lingnu Open Source Consulting Ltd.http://www.lingnu.com ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il Shahar, I have two suggestions for you: 1-220/110 converters for foreign travel consist usually of an autotransformer converting 220V to 110V for use with small appliances. you can feed your 110V power supply through them. It's worth checking with an electrical tester which way to insert it in the socket in order to get the voltage of the outputs at 0, 120 V to ground, not 110, 220V to ground, something that your equipmnent might no like. I have a small on in my junkyard. Unfortunately the maximum output current or power is not mentioned and it might be too weak for your needs. 2-Spot halogen bulbs working at 12V ac are pretty common. I would ask lamp manufacturers/merchands or buy one of suitable power and size. At this ratio of voltages between input and output the converter is most likeky a real transformer, with good insulation between the primary and secondary circuits. This is readily checked with an ohmmeter. Again, I have in my junkyard a (bare) unit, extracted from an old lighting fixture, marked Pri 0-230V , Sec 0-12V 50 VA. It is clearly a real transformer, and looks allright. You can have any of them, or both, for the asking. I live in Jerusalem. Cheers, Avraham ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: A 12V *AC* power supply
Since you mentioned you bought a USB based Logic analyzer, I thought I'd mention the open-source approach. I was searching for years for a low-cost Logic Analyzer until I found this (i.e. something I can pay for a hobby without feeling I'm wasting too much money). The Open Logic Sniffer is a fully open source Logic analyzer, with up to ~100MHz sample rate, and up to 32 bit inputs. It is USB based, and has full source code for everything from the schematics, PCB layout, PIC firmware and the VHDL source code for the Xilinx FPGA (Spartan 3E 250), and the multiple clients available. The cost is ~$45 including shipping to Israel here: http://www.seeedstudio.com/depot/bus-pirate-v3-assembled-p-609.html?cPath=61_68 http://dangerousprototypes.com/open-logic-sniffer/ http://www.gadgetfactory.net/gf/project/butterflylogic/ Another companion product is the Bus Pirate, a low speed, low cost USB based tool for hacking serial buses (I2C, SPI, JTAG, etc.). It can also be used to program AVR, PIC microcontrollers. Like the Open Logic sniffer, the Bus Pirate is also full open source. The Bus pirate is an essential tool in case you manage to erase the PIC bootloader on the Open Logic sniffer. This one costs ~$27 also from Seeed: http://www.seeedstudio.com/depot/preorder-open-workbench-logic-sniffer-p-612.html?cPath=75 http://dangerousprototypes.com/docs/Bus_Pirate Generally speaking, SeeedStudio combines the open source spirit with the low manufacturing costs at china, low price margins, and very low airmail shipping costs. Udi 2010/7/13 Shachar Shemesh shac...@shemesh.biz Hi list, I bought a USB connected logic analyzer for too much money (not that much). When buying, I did a mistake and not thought through the issues, and bought from a US supplier without telling them this needs to be a 220V country. As a result, I got an external power supply that is 110V, which outputs 12V AC at 1000mA (why they do not write 1A, I do not know). To my shame, I actually bought a universal DC supply without noticing that it's AC I need, and started a support call with the company. They were very nice, and when we, finally, found out the source (I hope it is it), the guy said I could probably get by with 18VDC, but it would strain the capacitors (my math suggests that 15VDC is closer to the mark). So, does anyone know where I can get a 12V AC power supply? They are not exactly a commodity. Thanks, Shachar -- Shachar Shemesh Lingnu Open Source Consulting Ltd.http://www.lingnu.com ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: A 12V *AC* power supply
I have 220-16VAC.
- yba
On Tue, 13 Jul 2010, Shachar Shemesh wrote:
Date: Tue, 13 Jul 2010 09:13:10 +0300
From: Shachar Shemesh shac...@shemesh.biz
To: linux-il linux-il@cs.huji.ac.il
Subject: A 12V *AC* power supply
Hi list,
I bought a USB connected logic analyzer for too much money (not that much).
When buying, I did a
mistake and not thought through the issues, and bought from a US supplier
without telling them this
needs to be a 220V country. As a result, I got an external power supply that is
110V, which outputs
12V AC at 1000mA (why they do not write 1A, I do not know).
To my shame, I actually bought a universal DC supply without noticing that it's
AC I need, and
started a support call with the company. They were very nice, and when we,
finally, found out the
source (I hope it is it), the guy said I could probably get by with 18VDC, but
it would strain the
capacitors (my math suggests that 15VDC is closer to the mark).
So, does anyone know where I can get a 12V AC power supply? They are not
exactly a commodity.
Thanks,
Shachar
--
EE 77 7F 30 4A 64 2E C5 83 5F E7 49 A6 82 29 BA~. .~ Tk Open Systems
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Re: A 12V *AC* power supply
On 7/13/2010 9:13 AM, Shachar Shemesh wrote: Hi list, I bought a USB connected logic analyzer for too much money (not that much). When buying, I did a mistake and not thought through the issues, and bought from a US supplier without telling them this needs to be a 220V country. As a result, I got an external power supply that is 110V, which outputs 12V AC at 1000mA (why they do not write 1A, I do not know). To my shame, I actually bought a universal DC supply without noticing that it's AC I need, and started a support call with the company. They were very nice, and when we, finally, found out the source (I hope it is it), the guy said I could probably get by with 18VDC, but it would strain the capacitors (my math suggests that 15VDC is closer to the mark). So, does anyone know where I can get a 12V AC power supply? They are not exactly a commodity.ji.ac.il/mailman/listinfo/linux-il first, make sure it will work with 50Hz ( instead of 60Hz) you can take a 1000ma (or more) low end power supply ( the heavy ones, with lots of copper inside) open it up, and remove a small electric circuit with diodes and capacitor(s) connect the 2 wires from the coil to the output. Alon. ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
RE: acl group permissions
We have a file system that was built and populated before changing its acl. On this file system we created a directory with default acl and 50 users that don't belong ( all of them) to the same group we have 4 groups. One of those groups should be able to r/w/x files in each user's directory , so I believed that if I create an entry in acl for this group I'll solve the problem. The file system is mounted /dev/ngs /ngs type gpfs rw,mtime,atime,quota=userquota;groupquota,filesetquota,dev=ngs,autostart 0 0 I tried to use also mmeditacl - command for changing acl that comes with gpfs and the result is the same. The output for mount -l is : [r...@dapsas2 user_data]$ mount -l /dev/md2 on / type ext3 (rw) [] none on /proc type proc (rw) none on /sys type sysfs (rw) none on /dev/pts type devpts (rw,gid=5,mode=620) usbfs on /proc/bus/usb type usbfs (rw) /dev/md0 on /boot type ext3 (rw) [] none on /dev/shm type tmpfs (rw) /dev/mapper/vg00-volusers on /users type ext3 (rw,usrquota,grpquota) [] /dev/mapper/vg00-volgcg on /gcg type ext3 (rw) [] /dev/mapper/vg00-voldb on /srv type ext3 (rw) [] none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw) sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw) sedna:/vol/main/biousers on /biousers type nfs (rw,soft,bg,addr=132.77.4.190) sedna:/vol/main/biousers2 on /biousers2 type nfs (rw,soft,bg,addr=132.77.4.190) sedna:/vol/main/genusers on /genusers type nfs (rw,soft,bg,addr=132.77.4.190) sedna:/vol/main/mysusers on /mysusers type nfs (rw,soft,bg,addr=132.77.4.190) //ga-ps1/data on /srv/projects/next-gen-seq/ga-ps1 type cifs (ro,mand) nfsd on /proc/fs/nfsd type nfsd (rw) /dev/ngs on /ngs type gpfs (rw,mtime,quota=userquota;groupquota;filesetquota,dev=ngs,autostart) ngs001:/data/run_data on /ngs/run_data001 type nfs (rw,soft,bg,addr=132.77.4.47) [r...@dapsas2 user_data]$ mount -l[Ka [r...@dapsas2 user_data]$ pwd /ngs/user_data [r...@dapsas2 user_data]$ ls -ld [00mdrwxrwxr-x+ 50 esterf nobody 8192 Jul 13 09:30 [00;34m.[00m Ls -ld on /ngs returns drwxrwxr-x+ 14 bsgilgi bioserv 8192 Jul 11 12:21 . I created first the acl for /ngs and I checked if directories already created in this file system hav + at the end of permissions - don't have. If I create in /ngs a new directory it inherit the acl from /ngs. I created another acl for /ngs/user_data but as user belonging to bioserv group I cannot write in other users directories. Something I'm not doing wright. -Original Message- From: Oleg Goldshmidt [mailto:p...@goldshmidt.org] Sent: Monday, July 12, 2010 9:03 PM To: camelia Subject: Re: acl group permissions camelia camelia.bo...@weizmann.ac.il writes: We tried to create acl for file system /ngs and we saw that we cannot use It in our purpose so we created an extra acl for sub dir /ngs/user_data. What we need still doesn't work. We consulted a lot of times the acl man pages and not only and we believe that we do what it should be done. Why doesn't work ? Hi, It would help if you could tell us exactly what you did, including the actual sequence of qcommands (mount - or the relevant part of /etc/fstab if the mount is automatic, - setfacl, etc.) and the outcome, as in what exactly does not work, including the output of mount -l and of ls -ld on some of the problematic directories and files, including /ngs itself. It is very difficult to diagnose a generic does not work problem. -- Oleg Goldshmidt | p...@goldshmidt.org ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
RE: acl group permissions
I forgot to tell you that when a gpfs file system is created the default value for authorization types supported is posix. -Original Message- From: Oleg Goldshmidt [mailto:p...@goldshmidt.org] Sent: Monday, July 12, 2010 9:03 PM To: camelia Subject: Re: acl group permissions camelia camelia.bo...@weizmann.ac.il writes: We tried to create acl for file system /ngs and we saw that we cannot use It in our purpose so we created an extra acl for sub dir /ngs/user_data. What we need still doesn't work. We consulted a lot of times the acl man pages and not only and we believe that we do what it should be done. Why doesn't work ? Hi, It would help if you could tell us exactly what you did, including the actual sequence of qcommands (mount - or the relevant part of /etc/fstab if the mount is automatic, - setfacl, etc.) and the outcome, as in what exactly does not work, including the output of mount -l and of ls -ld on some of the problematic directories and files, including /ngs itself. It is very difficult to diagnose a generic does not work problem. -- Oleg Goldshmidt | p...@goldshmidt.org ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
[YBA] g++ newbie: No warn on missing method implementation?
Dear linux-il list,
g++ seems to be quite happy to compile and link a program that has a class
that includes method declarations that are not implemented, as log as
those methods are not called explicitly in the code. VS2008 seems to be
able to discover this, either at compile or link time. Any way to do this
in g++?
Thanks,
- yba
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Re: [YBA] g++ newbie: No warn on missing method implementation?
Jonathan Ben Avraham wrote: Dear linux-il list, g++ seems to be quite happy to compile and link a program that has a class that includes method declarations that are not implemented, as log as those methods are not called explicitly in the code. VS2008 seems to be able to discover this, either at compile or link time. Any way to do this in g++? Thanks, - yba I'm not sure the VS2008 behavior is the standard. Declaring a method in a class and not defining it is the same offense as declaring a function and not defining it, both from the technical and from the conceptual perspective. More to the point - I'm not aware of such a flag for g++. I'm not sure where such a flag should even come, as the compiler should never be the one to do it (how will it know it is not defined in some other compilation unit?), and the linker cannot (how does it know a function was defined if noone was using it?). Shachar -- Shachar Shemesh Lingnu Open Source Consulting Ltd. http://www.lingnu.com ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: [YBA] g++ newbie: No warn on missing method implementation?
Hi Shachar,
Right, right.
I also think that the VS2008 is doing something extra.
My problem is that I have a class with 70+ methods and the customer keeps
changing the specs. I need some way to verify that all of the methods
declared in the class have implementations. The most common mistake is
that I change the method name in the class but forget to change the name
in the implementation. I suppose that I could write a Perl script that
would automatically generate method calls from the class method
declarations and then watch for link errors.
Regards,
- yba
On Tue, 13 Jul 2010, Shachar Shemesh wrote:
Date: Tue, 13 Jul 2010 11:59:43 +0300
From: Shachar Shemesh shac...@shemesh.biz
To: Jonathan Ben Avraham y...@tkos.co.il
Cc: ILUG linux-il@cs.huji.ac.il
Subject: Re: [YBA] g++ newbie: No warn on missing method implementation?
Jonathan Ben Avraham wrote:
Dear linux-il list,
g++ seems to be quite happy to compile and link a program that has a
class that
includes method declarations that are not implemented, as log as those
methods are not
called explicitly in the code. VS2008 seems to be able to discover this,
either at
compile or link time. Any way to do this in g++?
Thanks,
- yba
I'm not sure the VS2008 behavior is the standard. Declaring a method in a class
and not defining it
is the same offense as declaring a function and not defining it, both from
the technical and from
the conceptual perspective.
More to the point - I'm not aware of such a flag for g++. I'm not sure where
such a flag should
even come, as the compiler should never be the one to do it (how will it know
it is not defined in
some other compilation unit?), and the linker cannot (how does it know a
function was defined if
noone was using it?).
Shachar
--
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Re: [YBA] g++ newbie: No warn on missing method implementation?
On Tue, Jul 13, 2010 at 11:31 AM, Jonathan Ben Avraham y...@tkos.co.il wrote: Dear linux-il list, g++ seems to be quite happy to compile and link a program that has a class that includes method declarations that are not implemented, as log as those methods are not called explicitly in the code. VS2008 seems to be able to discover this, either at compile or link time. Any way to do this in g++? Not that I know of, but I'd like to point out that declaring unimplemented methods is normal, standard, and useful, so why would a compiler flag it? -- Oleg Goldshmidt | p...@goldshmidt.org ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: [YBA] g++ newbie: No warn on missing method implementation?
2010/7/13 Jonathan Ben Avraham y...@tkos.co.il: Hi Shachar, Right, right. I also think that the VS2008 is doing something extra. My problem is that I have a class with 70+ methods and the customer keeps changing the specs. I need some way to verify that all of the methods declared in the class have implementations. The most common mistake is that I change the method name in the class but forget to change the name in the implementation. I suppose that I could write a Perl script that would automatically generate method calls from the class method declarations and then watch for link errors. A more general way to deal with that is to write a comprehensive unit test suite. Or have such a suite generated by perl or other suitable means... ;-) -- Oleg Goldshmidt | p...@goldshmidt.org ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: [YBA] g++ newbie: No warn on missing method implementation?
Jonathan Ben Avraham wrote: Hi Shachar, Right, right. I also think that the VS2008 is doing something extra. My problem is that I have a class with 70+ methods and the customer keeps changing the specs. I need some way to verify that all of the methods declared in the class have implementations. The most common mistake is that I change the method name in the class but forget to change the name in the implementation. That would not compile. The implementation under the old name would not match any method declaration, and the compiler would complain. Shachar I suppose that I could write a Perl script that would automatically generate method calls from the class method declarations and then watch for link errors. Regards, - yba -- Shachar Shemesh Lingnu Open Source Consulting Ltd. http://www.lingnu.com ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: Configuring serial ports to keep their ttys* location
Hi Dotan,
On Tue, Jul 13, 2010 at 09:59:28AM +0300, Dotan Cohen wrote:
On Ubuntu Linux we have many serial devices connected, they show in
the udev log like this:
KERNEL[1279002550.149087] add
/devices/pci:00/:00:14.4/:03:06.0/tty/ttyS4 (tty)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci:00/:00:14.4/:03:06.0/tty/ttyS4
SUBSYSTEM=tty
DEVNAME=ttyS4
SEQNUM=1212
MAJOR=4
MINOR=68
KERNEL[1279002550.149102] add
/devices/pci:00/:00:14.4/:03:06.0/tty/ttyS5 (tty)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci:00/:00:14.4/:03:06.0/tty/ttyS5
SUBSYSTEM=tty
DEVNAME=ttyS5
SEQNUM=1213
MAJOR=4
MINOR=69
KERNEL[1279002550.149116] add
/devices/pci:00/:00:14.4/:03:06.0/tty/ttyS6 (tty)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci:00/:00:14.4/:03:06.0/tty/ttyS6
SUBSYSTEM=tty
DEVNAME=ttyS6
SEQNUM=1214
MAJOR=4
MINOR=70
The SEQNUM is _not_ constant from boot to boot, therefore configuring
the mount point per SEQNUM does not work. I am not sure if the
KERNEL[1279002550.*] number is unique, is it supposed to be?
Seems like a timestamp:
$ date +%s
1279016515
So, it is unique, but probably not what you are looking for.
If so, which udev rule would configure the mount points to be as they are
now on next boot as well?
What's the output of
udevadm info -a -p $(udevadm info -q path -n /dev/ttyS4)
udevadm info -a -p $(udevadm info -q path -n /dev/ttyS5)
udevadm info -a -p $(udevadm info -q path -n /dev/ttyS6)
baruch
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Re: [YBA] g++ newbie: No warn on missing method implementation?
Hi Shachar,
Right again. I had a bug in a macro that defined the class name. In fact
all of the methods bodies were implemented outside the class.
Thanks,
- yba
On Tue, 13 Jul 2010, Shachar Shemesh wrote:
Date: Tue, 13 Jul 2010 12:46:41 +0300
From: Shachar Shemesh shac...@shemesh.biz
To: Jonathan Ben Avraham y...@tkos.co.il
Cc: ILUG linux-il@cs.huji.ac.il
Subject: Re: [YBA] g++ newbie: No warn on missing method implementation?
Jonathan Ben Avraham wrote:
Hi Shachar,
Right, right.
I also think that the VS2008 is doing something extra.
My problem is that I have a class with 70+ methods and the customer keeps
changing the
specs. I need some way to verify that all of the methods declared in the
class have
implementations. The most common mistake is that I change the method name
in the class
but forget to change the name in the implementation.
That would not compile. The implementation under the old name would not match
any method
declaration, and the compiler would complain.
Shachar
I suppose that I could write a Perl script that would automatically
generate method
calls from the class method declarations and then watch for link errors.
Regards,
- yba
--
EE 77 7F 30 4A 64 2E C5 83 5F E7 49 A6 82 29 BA~. .~ Tk Open Systems
=}ooO--U--Ooo{=
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[4SALE] Dell E197FP monitor NIB
Hi All. Shlomi - see, no in-reply-to header. For sale - brand new in box (never opened) 19 Dell LCD monitor - E197FP. ILS 850 OBRO (or best reasonable offer) Marc Volovic m...@bard.org.il +972-54-467-6764 ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: A 12V *AC* power supply
I would expect it to work with 12VDC. It's unlikely that they run it through a transformer, and probably just rectify it, in which case you'll drop a volt or so. If it doesn't work the first time you hook it up, reverse the polarity. Worst case, they run the 12VAC directly into a switching power supply, in which case it won't damage anything, it just won't work. On 07/12/2010 11:13 PM, Shachar Shemesh wrote: Hi list, I bought a USB connected logic analyzer for too much money (not that much). When buying, I did a mistake and not thought through the issues, and bought from a US supplier without telling them this needs to be a 220V country. As a result, I got an external power supply that is 110V, which outputs 12V AC at 1000mA (why they do not write 1A, I do not know). To my shame, I actually bought a universal DC supply without noticing that it's AC I need, and started a support call with the company. They were very nice, and when we, finally, found out the source (I hope it is it), the guy said I could probably get by with 18VDC, but it would strain the capacitors (my math suggests that 15VDC is closer to the mark). So, does anyone know where I can get a 12V AC power supply? They are not exactly a commodity. Thanks, Shachar -- Shachar Shemesh Lingnu Open Source Consulting Ltd. http://www.lingnu.com ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il -- Sent from my ASR-33 ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: Domain Registrars .co.il
I registered my domain names directly with www.isoc.org.il If there is a dispute, I don't think it matters which registrar you are using. I think www.isoc.org.il handles the disputes. Uri Even-Chen Mobile Phone: +972-50-9007559 E-mail: u...@speedy.net Blog: http://www.speedy.net/uri/blog/ 2010/7/6 Justin thelonecabb...@gmail.com: Which one of these would you trust more to register your domain in Israel? https://secure.communigal.net/ or http://www.internic.co.il/isoc.html Specifically which one is less likely to suspend a domain entry for trivial disputes? ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
