Chrome Being Polished for Mac and Linux

Woot !!
News Article:
http://www.pcpro.co.uk/news/222771/chro … linux.html

lang2 wrote:If only it has mouse gesture....
oh, if this is your only concern about chrome you should use vista
edit: i use vista for gaming after my xp-cd died so please no discussion about vista.
i think there are more things to think about chrome than ...mouse gestures...:rolleyes:
Last edited by koch (2008-09-20 01:33:57)

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Applet colors for Mac and Linux?!

I've got an applet where I use Color(int, int, int) to set background colors of components. Running the applet on Windows in Netscape or Explorer gives the expected colors. But in Mac and Linux the backgrounds are only white (using Netscape or Explorer).
Does anybody know why, and how I could set colors to be shown also for Mac and Linux?
/Johan

I doesn't seem to help using predefined colors, like 'red', 'blue', etc...

How is the performance of Mac Pro if i use it as host for windows and linux virtual machines.

How is the performance of Mac Pro if i use it as host for windows and linux virtual machines.
I am planning to buy a high performance PC to run my Windows and Linux servers as vitrual machines for my testing purposes.
Initially i planned to build my own computer with recommended configurations but considering space constaints and cooling factors i think Mac Pro can be a choice. But need some inputs if Mac pro (Intel Xeon E5, 12 GB RAM) is good for running virtual Machines.

You could even run Windows natively and still run your VM servers.
I have seen reports and such on MacRumors and elsewhere - run Windows natively as well as VMs (can also do testing and run Mavericks in a VM under Mavericks)
The fast internal PCIe-SSD, plus 6 or 8 cores, and 32-64GB RAM. Of course for $5,000 for 8-core, some Thunderbolt storage and 32GB/64GB RAM you can buy some serious hardware.

Slow download on Mac and Linux using sockets

We have a need to download as much as possible for a couple seconds using sockets, and we have noticed that Adobes flash player on Mac and Linux are slower then Windows while we get good results on all tree OS using Goggles flash player in Chrome.
Our setup, client side, is a 1 Gbit/s internet connection throttle by a 100 Mbit/s switch. On the server side, we have an Apache web server (during testing) on a 1 Gbit/s internet connection.
For testing purposes, we download as much as possible of a 2 Gb big file for approximately 10 seconds. After we connect to the server, via a socket, we send an http request to start downloading the file. Using bytesAvailable, we get the number of bytes downloaded every half second, calculate the average speed for that half second and store that value in an array. After 20 times, we stop downloading and close the socket connection. Finally we calculate the average download speed of the 20 measurements.
All tests are preformed on version 11.6.602.180 except for Adobe Flash player on Ubuntu were the 11.2 r202 version. Adobe Flash player on Firefox 19.0.2 (other browsers were tested with similar results) and Google Flash player on Chrome 26.0.1410.43. Each OS/player was tested 5 times and presents the average.
Windows 7 Enterprise (64-bit)
Mac OS X 10.6.8 (64 bit)
Ubuntu 12.10 (64 bit)
Adobe Flash player (NPSWF32_11_6_602_180.dll)
92.73 Mbit/s
14.53 Mbit/s
44.25 Mbit/s
Google Flash player (pepflashplayer.dll)
91,89 Mbit/s
89.46 Mbit/s
91.57 Mbit/s
doConnect();
function doConnect():void {
    socket = new Socket(url,port);
    socket.addEventListener(Event.CONNECT, connectHandler);
function connectHandler(event:Event):void {
    writeln("GET " + path + " HTTP/1.1");
    writeln("Host: " + url);
    writeln("Connection: close");
    writeln("");
    nStart = new Date().time;
    startTimer();
    socket.flush();
function writeln(str:String):void {
    str += "\n";
    socket.writeUTFBytes(str);
function startTimer(){
    startTime = new Date().time;
    var myTimer:Timer = new Timer(500,20);// 0.5 seconds 20 times
    myTimer.addEventListener(TimerEvent.TIMER, timeMeasurement);
    myTimer.addEventListener(TimerEvent.TIMER_COMPLETE, timeMeasurementComplete);
    myTimer.start();
function timeMeasurement():void {
    receivedData = socket.bytesAvailable;
    var varJunk:ByteArray = new ByteArray();
    while (socket.bytesAvailable > 4){
        socket.readBytes(varJunk);
    var split:Number = new Date().time - startTime;
    var speed:Number = receivedData * 8 / ((new Date().time - startTime) / 1000);
    startTime = new Date().time;
    downloadList.push(speed);
    receivedData = 0;
function timeMeasurementComplete():void{
    var len:int = downloadList.length;
    var sum:Number = 0;
    for (var i:int = 0; i < len ; i++) {
        sum += downloadList[i];
    downloadResult = sum / len;
    socket.removeEventListener(Event.CONNECT, connectHandler);
    if(socket.connected){
        socket.close();
In further investigation we built an easy Flash based latency meter. We download a small txt-file, measuring the time between just before we send http-request and until we receive a response from the web server.
We have the setup as for the speed tests, but we do this 5 * 20 times with each OS/player.
Windows 7 Enterprise (64-bit)
Mac OS X 10.6.8 (64 bit)
Ubuntu 12.10 (64 bit)
Adobe Flash player
4.30 ms
66.67 ms
10.49 ms
Google Flash player
4.25 ms
4.28 ms
4.19 ms
doConnect();
private function doConnect():void{
    socket = new Socket(url,port);
    socket.addEventListener(Event.CONNECT, connectHandler);
    socket.addEventListener(ProgressEvent.SOCKET_DATA, socketDataHandler);
private function connectHandler(event:Event):void{
    writeln("GET " + path + " HTTP/1.1");
    writeln("Host: " + url);
    socket.flush();
    nStart = new Date().time;
private function writeln(str:String):void{
    str += "\n";
    socket.writeUTFBytes(str);
private function socketDataHandler(event:ProgressEvent):void{
    var latecy:Number = new Date().time - nStart; // latency in ms
Using a packet analyzer (Wireshark) on the OS X/Adobe player, the time from http-request is sent to data is received is approximately 2 ms. An ack is sent less then 0.04 ms after the packet is received. Using the socketData event to send a new http-request, just after we measure the time for the last package, can see event created delays. We have a delay between 64 and 67 ms compare that to OS X/Google player with between 1 and 3 ms delay.
Note: When playing around a timer, that fired a number of times during parts of a large number of latency measurements, we notice that measurements when the timer was running were better. Testing having a empty timer firing as fast as possible constantly during both download and latency measurements we got significantly better results on OS X/Adobe player, although not good. Average download 31,82 Mbit/s and average latency 16,59 ms.

Bumping this topic again as it's still sort of bugging me, but the problem has been isolated to a few certain sites. On some i get the maximum speed and on others i get snailspeed. One of the slow ones unfortunately is basically anything that has to do with Apple....So all Quicktime movie trailers, iTunes stuff, movies etc are slow, except podcasts that are German. I'm downloading the 30 day trial of iWork and i'm getting whopping 19,2KB/s, when i should be getting about 1300KB/s. You can just imagine the frustration:/
I'm just wondering am i alone on this or is anybody else excperienceing similar? And as usual, on windows i'm getting full speed all the time, anywhere, grrrr....!
-CC

How to partition my drive for Mac and XP use? from a novice

I would like to use my MacBook Pro for both Mac ad PC programs (Office and others) and hear that I can partition the drive. How is the best way to do that? Also I have an external Seagate FreeAgent GoFlex external drive to set up that supposedly can back up both Mac and PC without formatting each time. Do I have to partition the drive first? Do I use Time Machine?

Is it your intent to run Windows programs on your computer? If so then this is more than simply a partitioning exercise.
In order to use an external drive on both Macs and PCs there are two options. Option One is to partition and format the drive MBP and FAT32, respectively. OS X can read/write a FAT32 formatted drive. However, due to filesystem differences some features of the OS X filesystem are not supported by FAT32, so FAT32 is not the best choice for transferring OS X documents, but would be fine for transferring Windows documents.
Option Two is to partition the drive using GUID then creating two partitions. One partition is formatted Mac OS Extended, Journaled and the other partition is formatted FAT32. Each partition can be used for the data from the appropriate platform.
TM is not a file transfer program, cannot be used for Windows documents, and does not work on Windows.
If you wish to run Windows on your Mac then see the following:
Windows on Intel Macs
There are presently several alternatives for running Windows on Intel Macs.
1. Install the Apple Boot Camp software. Purchase Windows XP w/Service Pak2, Vista, or Windows 7. Follow instructions in the Boot Camp documentation on installation of Boot Camp, creating Driver CD, and installing Windows. Boot Camp enables you to boot the computer into OS X or Windows.
2. Parallels Desktop for Mac and Windows XP, Vista Business, Vista Ultimate, or Windows 7. Parallels is software virtualization that enables running Windows concurrently with OS X.
3. VM Fusionand Windows XP, Vista Business, Vista Ultimate, or Windows 7. VM Fusion is software virtualization that enables running Windows concurrently with OS X.
4. CrossOver which enables running many Windows applications without having to install Windows. The Windows applications can run concurrently with OS X.
5. VirtualBox is a new Open Source freeware virtual machine such as VM Fusion and Parallels that was developed by Solaris. It is not as fully developed for the Mac as Parallels and VM Fusion.
Note that Parallels and VM Fusion can also run other operating systems such as Linux, Unix, OS/2, Solaris, etc. There are performance differences between dual-boot systems and virtualization. The latter tend to be a little slower (not much) and do not provide the video performance of the dual-boot system.
See MacTech.com's Virtualization Benchmarking for comparisons of Boot Camp, Parallels, and VM Fusion. Boot Camp is only available with Leopard or Snow Leopard. Except for Crossover and a couple of similar alternatives like DarWine you must have a valid installer disc for Windows. You must also have an internal optical drive for installing Windows. Windows cannot be installed from an external optical drive.

External HD compatible for Mac and PC

Hi, anyone knows how to make an external HD compatible for Mac and PC?
I tried formatting in ExFAT and MS DOS but on Mac does not let to copy big files (aprox 4GB) onto the HD. And if I format on Mac Extended, Windows doesnt recognize.

Mitshko wrote:
Thank you OGELTHORPE and JoeyR,
Yes, I tried formatting in Ex FAT, MS DOS, and Mac Extended and did all kind of tests trying to copy from one computer to another. I have being reading in some forums also that some people have the same problem.
Formatting in FAT 32, I had to use fat32formatting.exe from this link http://www.ridgecrop.demon.co.uk/index.htm?fat32format.htm because the HD is of 500GB.
But now I have the problem that big files cannot be copied on Mac (aprox over 4GB).
ExFAT cannot be done on PC, I guess is because of the size of the HD. I only tried formatting Exfat on Mac but PC does not recognize.
Fornat it exFAT ON a Windows PC. If you are running Windows XP you need a update from Microsoft so XP can read/write and format drives exFAT. You also nee to be running either XP SP2 or SP3 to install the update from Microsoft.
Let me add that formatting it exFAT on a Mac can cause problems. Windows may not see the drive as formatted. That is why I say to format it on a Windows PC. Then both Windows and Mac will see the drive.

Creating network between Mac and Linux

Hello guys! I need to set up network between my iMac and Ubuntu linux. iMac is connected in internet by Airport and Fon Wifi Router witch is connected in router which is connected to adsl -modem. My pc is connected directly to router. Both computers have access to internet. Is there any easy solutions to share files with mac and linux? I don't need any webservers etc, I just want to share files.
Other question related to this, why is my mac's ip address like 192.168... and linux ip addrress is 84.250...?
Thanks allready!

Though I'm not newbie with computers, I'm really confused becouse I haven't set up network like this never before.
Not a problem, no worry... we all know something somebody else doesn't and vice versa.
My linux says that my DHCP -IP is 193.210.18.18, is that related to this in any way?
Yes, if the Mac had an IP of 193.210.18.x, (but not 18 for x), then connection would be simple, but I think we must have two devices passing out IPs. What is the Mac's IP again?
http://www.helpdesk.umd.edu/topics/communication/ethernet/office/winxp/2882/
Do you have any advice where I could start looking from the right IP of my linux?
http://www.webmasterforums.com/networks-clusters/1804-find-ip-address-my-linux-b ox.html
I'm not sure if its even configurable.
http://tinyurl.com/2gug9s

I just upgraded to the latest edition of firefox for mac and I am getting this error message Textarea Backup] Existing text detected in 'add_comment_text', overwrite with this backup how can I get it to go away?

I updated to Firefox 8.0 for Mac and when ever I try to log on to Facebook I get this error message Textarea Backup] Existing text detected in 'add_comment_text', overwrite with this backup? and then it says yes and gives you the choice of either canceling or ok and it doesn't go away when you click either button...What is going on?

It is working now. I no longer get the message about the item not being available in the US and I can access the store.

Mac and Linux executables

Hi,
I want to turn my Jar file in to a Mac and Linux executable. For windows I found a lot of programs which can do that, like Lauch4J and JSmooth. I would like to know if there are programs like that for Linux and Mac.

Hi Shnoogins
Nope, that's one of the changes you see between version 2 and
3. There is now only a single .EXE option. And Mac isn't it!
Cheers... Rick

How do Mac and Linux find the JFX runtime?

I've been searching the documentation without success for the answer to what ought to be a simple question -- how do I point Mac or Linux at the 2.2 runtime? It's no problem if I'm running in an IDE (NetBeans, e(fx)clipse), where I can tell the IDE where I unpacked the SDK. But what if I want to run a jar file, such as produced by the ant tasks?
You'd think this would work (on Linux, where I unpacked the SDK into /opt):
java -cp /opt/javafx-sdk2.2.0-beta/rt/lib/jfxrt.jar:. -jar MyProgram.jar But it doesn't -- I get a popup saying "This application requires a newer version of the Java runtime. Please download and install the latest Java runtime from java.com. Then restart the application" (I'm running with 1.7.0_05-b05 from Oracle).
The only thing at all close I find in the Linux installation instructions is it says to unpack the samples as a subdirectory of the SDK, wherever I happened to put it, and then I should be able to run the examples with a simple "java -jar filename.jar". But even that's not quite true -- it only works if I first cd to the samples directory. But it's a start, so I tried...
cd /opt/javafx-sdk2.2.0-beta/rt
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cd /opt/javafx-sdk2.2.0-beta/rt
java -cp ~/dist/MyProgram.jar -jar ~/dist/MyProgram.jarThat actually works. But it can't possibly be the right answer -- you shouldn't have to run a javafx program with the runtime directory as your working directory.
And even that doesn't work on Mac. There, Java knows how to find the runtime that's installed with JDK 7 update 5 for Mac. But if I want to test a program with the 2.2 runtime, what do I do? Setting -classpath on the command line still uses the 2.1 runtime. And if I try the trick of connecting to javafx-sdk2.2.0-beta/rt first, it doesn't work at all -- it doesn't find my libraries, and it throws up a "java quit unexpectedly" window after getting a segfault.
So what's a developer to do? Am I supposed to use the native packaging procedure instead?

JavaFX 2.2 is first version where Linux/Mac are supported as runtime (and not just SDK).
However, you need to install JavaFX Runtime that is part of JRE 7u6 (you can get beta from jdk7.java.net or wait for FCS version of it).
Installing JRE is the only way to get JavaFX runtime installed on Mac and Linux (and eventually on Windows too).
rt folder in the SDK is "private" copy of the runtime. It is not supposed to be used to run arbitrary JavaFX applications by default.
You can still force to use it as
java -Djavafx.runtime.path=/opt/javafx-sdk2.2.0-beta/rt/lib/jfxrt.jar -jar MyProgram.jar
or
java -cp ~/dist/MyProgram.jar:/opt/javafx-sdk2.2.0-beta/rt/lib/jfxrt.jar com.javafx.main.Main
Note that if you use "-jar" then "-cp" is ignored by java launcher. This is not JavaFX specific behavior.
JavaFX specific part is that properly packaged JavaFX main jar file will include copy of launcher class (com.javafx.main.Main)
and this is what will be run when you double click on jar or use "java -jar". Launcher will try to locate JavaFX runtime to use,
it knows how to find runtime in the SDK if it is sample located in the SDK itself and it also knows how to find installed version of runtime.
If JavaFX is not found then it will show you message you observed.

I have Word for Mac and Pages. I can't find a "to do list" template in either.

I have Word for Mac and Pages. I'm looking for a "to do list" template. I don't really want to make one.

My apologies. Yesterday that link worked fine in Chrome under Lion, today
it crashed Safari and Lion. Here is another link to try (non microsoft) which
just worked in Chrome and Safari: http://www.printabletodolist.com/
Sorry for the first link - don't know what happened. I did get a warning
that it was an untrusted site in Chrome, but warning flashed up and went
away - maybe Microsoft is/was under attack.

Font Issues on PC, MAC and LINUX

Hey all,
I have a software Applet that is designed to run on PC, MAC and LINUX. I am having troubles with the options dialogs and text areas that have strict size constraints. The font I use on PC to make the text fit into the space alloted to a JRadioButton (i.e.) in my menu doesn't seem to work on the MAC nor Linux. I am trying to figure out how to solve this problem. When it was just MAC and PC I simply made my fields a bit wider but with Linux involved now I want to develop a more robust solution. In theory I should find a font that is common to all 3 correct? Just wondering what should happen. Advice and input is much appreciated!
Rob

If the size of the component is critical, then you can over-ride the component's paint method (e.g. in a subclass) to scale the component's font to fit the component. I would only do this once, otherwise you'd be repeating the operation on every paint - use a "fontScaled" instance variable, for example.

Is there DAQ driver for MAC or Linux

I know for Labview there is version for Mac or Linux.
Just want to learn if there is DAQ driver for MAC or Linux, which can support USB DAQ.
Thanks.
Solved!
Go to Solution.

Hi Alex,
Lynn is correct. For using NI's USB DAQ hardware with Mac and Linux, the best and only driver to use is NI-DAQmx Base. The readme file lists what specific devices are supported, which specific Linux and OS X versions are supported, and which hardware features are supported.
[1] NI-DAQmx Base 3.4 for Linux
http://joule.ni.com/nidu/cds/view/p/id/2128/lang/en
[2] NI-DAQmx Base 3.4 for Mac OS X
http://joule.ni.com/nidu/cds/view/p/id/2127/lang/en
Joe Friedchicken
NI VirtualBench Application Software
Get with your fellow hardware users :: [ NI's VirtualBench User Group ]
Get with your fellow OS users :: [ NI's Linux User Group ] [ NI's OS X User Group ]
Get with your fellow developers :: [ NI's DAQmx Base User Group ] [ NI's DDK User Group ]
Senior Software Engineer :: Multifunction Instruments Applications Group
Software Engineer :: Measurements RLP Group (until Mar 2014)
Applications Engineer :: High Speed Product Group (until Sep 2008)

Dual boot mac and linux

Hi,
I am trying to install linux to my MacPro to run both mac and linux operating system. However, I have no clue that how to do that. Could you please give me a help in detail how to do it.
Thank you so much,
Xiao

There are detailed instructions for various methods of installing Ubuntu on your machine here:
https://help.ubuntu.com/community/MactelSupportTeam/AppleIntelInstallation

How to format an external drive for mac AND pc use

i want to format my external drive so i can use it on my mac and on pc's as well. i've gathered that the MS-DOS format is the way to go. my question is this: would this create any problems for my mac then?
can i partion one part for ms-dos and part for macos extended?
cheers
-j-

MS-DOS format (or FAT32) will be fine for both Mac and PC. However there is a 4GB file size limit with FAT32.
You could use a dual partition, however the HFS+ partition would not be readable by the PC unless you installed the third party MacDrive.
Look at this page for more information on a dual partition drive for Mac and Windows.
http://macosxhints.com/article.php?story=20030613121738812
iFelix

Chrome Being Polished for Mac and Linux

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